US5340870A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fast dry waterborne traffic marking paint
Assignee: Morton International LLC
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Filing: 1993-02-18
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Granted: 1994-08-23
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Expires: 2013-02-18
Abstract
Abstract A waterborne paint for traffic marking contains as an emulsion binder, a support polymer formed of styrene and acrylic acid monomers and having an acid value of between about 50 and about 250 and a hydrophobic emulsion polymer comprised of acrylic ester monomers and optionally including styrene monomers. The support polymer, in aqueous ammonia solution, acts as a surfactant, maintaining the emulsion polymer within micelles. Paints in accordance with the invention contain between about 10 and about 15 wt. percent of the emulsion polymer, between about 60 and about 75 wt. percent fillers or pigments and between about 9 and about 18 wt. percent water. Due to the high solids loading and low water content, the waterborne traffic marking paint is fast drying. Colored paints prefereably utilize banded pigments.
Inventors
- 👤 David D. Clinnin
- 👤 William G. Heiber
- 👤 Ronald J. Lewarchik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:11
CPC Classifications
C; C09; C09D; C09D133/00; C09D133/04; C09D133/06; C09D151/00; C09D151/06; C09D5/00; C09D5/004; C08; C08L; C08L2205/00; C08L2205/02; C08L33/00; C08L33/04; C08L33/06
Claims Analysis
Total Claims: 49
Claim 1
Independent Claim
214 words
A method of marking a paved surface comprising applying to said surface a layer of an air-dry waterborne paint comprising (1) between about 10 and about 15 wt. percent of an emulsion binder comprising between about 20 and about 40 wt % of a support polymer formed of monomers comprising styrene or substituted styrene or alkyl-substituted styrene and acrylic acid or alkyl-substituted acrylic acid, said support polymer having an acid number of between about 50 and about 250, and an emulsion polymer formed of monomers comprising esters of acrylic acid or alkyl-substituted acrylic acid, optionally styrene or alkyl substituted styrene and optionally an amount of acrylic acid or an alkyl-substituted acrylic acid sufficiently low so that said emulsion polymer is insoluble in alkaline aqueous solution, said support polymer and said emulsion polymer being in the form of micelles with said support polymer acting as a surfactant to maintain said emulsion polymer within said micelles, (2) between about 60 and about 75 wt. percent pigments and/or fillers, plus surfactant sufficient to maintain said pigment and/or filler dispersed, and (3) between about 9 and about 18 wt. percent water, plus sufficient ammonia to maintain an emulsion of said binder, said paint having an ASTM D-711 "no pick-up" time of 2 minutes or less at ambient temperatures.
Claim 2
Independent Claim
214 words
A method of marking a paved surface comprising applying to said surface a layer of an air-dry waterborne paint comprising (1) between about 10 and about 15 wt. percent of an emulsion binder comprising between about 20 and about 40 wt % of a support polymer formed of monomers comprising styrene or substituted styrene or alkyl-substituted styrene and acrylic acid or alkyl-substituted acrylic acid, said support polymer having an acid number of between about 50 and about 250, and an emulsion polymer formed of monomers comprising esters of acrylic acid or alkyl-substituted acrylic acid, optionally styrene or alkyl substituted styrene and optionally an amount of acrylic acid or an alkyl-substituted acrylic acid sufficiently low so that said emulsion polymer is insoluble in alkaline aqueous solution, said support polymer and said emulsion polymer being in the form of micelles with said support polymer acting as a surfactant to maintain said emulsion polymer within said micelles, (2) between about 60 and about 75 wt. percent pigments and/or fillers, plus surfactant sufficient to maintain said pigment and/or filler dispersed, and (3) between about 9 and about 18 wt. percent water, plus sufficient ammonia to maintain an emulsion of said binder, said paint having an ASTM D-711 "no pick-up" time of 2 minutes or less at ambient temperatures.
Claim 3
Dependent Claim
25 words
A method according to claim 1 where in said paint, substantially none of the carboxylic groups of said support polymers are esterified to hydrophilic moieties.
Claim 4
Dependent Claim
26 words
A method according to claim 1 where in said paint, said emulsion polymer was prepared in the substantial absence of surfactant other than said support polymer.
Claim 5
Dependent Claim
23 words
A method according to claim 1 wherein said paint further comprises between about 3 and about 6 wt. percent of an organic solvent.
Claim 6
Dependent Claim
15 words
A method according to claim 4 where in said paint, said organic solvent is methanol.
Claim 7
Dependent Claim
29 words
A method according to claim 1 where in said paint, micelles of said emulsion polymer are pedominantly in the size range of between about 0.1 and about 0.2 microns.
Claim 8
Dependent Claim
21 words
A method according to claim 1 wherein said paint contains between about 0.5 and about 2.0 wt. percent of said surfactant.
Claim 9
Dependent Claim
20 words
A method according to claim 7 where in said paint, said surfactant comprises a mixture of anioic and non-ionic surfactants.
Claim 10
Dependent Claim
26 words
A method according to claim 1 where in said paint, said emulsion polymer has a T g of between about -15° C. and about 15° C.
Claim 11
Dependent Claim
25 words
A method according to claim 1 where in said paint, said pigments and/or fillers are at a level of upward of about 68 wt. percent.
Claim 12
Dependent Claim
23 words
A method according to claim 1 wherein between about 70 and about 90 wt. percent of said fillers and/or pigment is calcium carbonate.
Claim 13
Independent Claim
230 words
A method of marking a paved surface comprising applying to said surface a layer of an air-dry waterborne paint comprising; (1) between about 10 and about 15 wt. percent of an emulsion binder comprising between about 20 and about 40 wt % of a support polymer formed of monomers comprising styrene or alkyl-substituted styrene and acrylic acid or alkyl-substituted acrylic acid, said support polymer having an acid number of between about 50 and about 250, and an emulsion polymer formed of monomers comprising esters of acrylic acid or alkyl-substituted acrylic acid, said emulsion polymer being formed of between about 20 and about 80 mole percent monomers which are acrylic esters of alcohols having 8 or more carbon atoms and between about 20 and about 80 mole percent of monomers which are acrylic esters of alcohols having 4 of fewer carbon atoms, said support polymer and said emulsion polymer being in the form of micelles with said support polymer acting as a surfactant to maintain said emulsion polymer within said micelles, (2) between about 60 and about 75 wt. percent pigments and/or fillers plus surfactant sufficient to maintain said pigment and/or filler dispersed, and (3) between about 9 and about 18 wt. percent water, plus sufficient ammonia to maintain an emulsion of said binder, said paint having an ASTM D-711 "no pick-up" time of 2 minutes or less at ambient temperatures.
Claim 14
Independent Claim
230 words
A method of marking a paved surface comprising applying to said surface a layer of an air-dry waterborne paint comprising; (1) between about 10 and about 15 wt. percent of an emulsion binder comprising between about 20 and about 40 wt % of a support polymer formed of monomers comprising styrene or alkyl-substituted styrene and acrylic acid or alkyl-substituted acrylic acid, said support polymer having an acid number of between about 50 and about 250, and an emulsion polymer formed of monomers comprising esters of acrylic acid or alkyl-substituted acrylic acid, said emulsion polymer being formed of between about 20 and about 80 mole percent monomers which are acrylic esters of alcohols having 8 or more carbon atoms and between about 20 and about 80 mole percent of monomers which are acrylic esters of alcohols having 4 of fewer carbon atoms, said support polymer and said emulsion polymer being in the form of micelles with said support polymer acting as a surfactant to maintain said emulsion polymer within said micelles, (2) between about 60 and about 75 wt. percent pigments and/or fillers plus surfactant sufficient to maintain said pigment and/or filler dispersed, and (3) between about 9 and about 18 wt. percent water, plus sufficient ammonia to maintain an emulsion of said binder, said paint having an ASTM D-711 "no pick-up" time of 2 minutes or less at ambient temperatures.
Claim 15
Independent Claim
315 words
A method of marking a paved surface comprising applying to said surface a layer of an air-dry waterborne paint comprising (1) between about 10 and about 15 wt. percent of an emulsion binder comprising between about 20 and about 40 wt % of a support polymer formed of monomers comprising styrene or alkyl-substituted styrene and acrylic acid or alkyl-substituted acrylic acid, said support polymer having an acid number of between about 50 and about 250, and between about 60 and about 80 wt. percent of an emulsion polymer formed of monomers comprising esters of acrylic acid or alkyl-substituted acrylic acid, optionally styrene or alkyl-substituted styrene and optionally an amount of acrylic acid or an alkyl-substituted acrylic acid sufficiently low so that said emulsion polymer is insoluble in alkaline aqueous solution, said support polymer and said emulsion polymer being in the form of micelles with said support polymer acting as a surfactant to maintain said emulsion polymer within said micelles, (2) between about 53 and about 75 wt. percent colorless or white inorganic pigments and/or fillers, plus surfactant sufficient to maintain said colorless or white pigment and/or filler dispersed, and (3) between about 1 1/2 and about 15 wt. percent of a dispersing polymer formed of monomers comprising styrene or alkyl-substituted styrene and acrylic acid or substituted acrylic acid, said support polymer having an acid number of between about 50 and about 250, (4) between about 0.2 and about 7 wt. percent of colored pigment particles encapsulated by and suspended in said dispersing polymer, the total of (2) plus (4) being t least about 60 wt %, and (5) between about 9 and about 18 wt. percent water, plus sufficient ammonia to maintain an emulsion of said emulsion binder and maintain said dispersing polymer encapsulated pigment particles in suspension, said paint having an ASTM D-711 "no pick-up" time of 2 minutes or less at ambient temperatures.
Claim 16
Independent Claim
315 words
A method of marking a paved surface comprising applying to said surface a layer of an air-dry waterborne paint comprising (1) between about 10 and about 15 wt. percent of an emulsion binder comprising between about 20 and about 40 wt % of a support polymer formed of monomers comprising styrene or alkyl-substituted styrene and acrylic acid or alkyl-substituted acrylic acid, said support polymer having an acid number of between about 50 and about 250, and between about 60 and about 80 wt. percent of an emulsion polymer formed of monomers comprising esters of acrylic acid or alkyl-substituted acrylic acid, optionally styrene or alkyl-substituted styrene and optionally an amount of acrylic acid or an alkyl-substituted acrylic acid sufficiently low so that said emulsion polymer is insoluble in alkaline aqueous solution, said support polymer and said emulsion polymer being in the form of micelles with said support polymer acting as a surfactant to maintain said emulsion polymer within said micelles, (2) between about 53 and about 75 wt. percent colorless or white inorganic pigments and/or fillers, plus surfactant sufficient to maintain said colorless or white pigment and/or filler dispersed, and (3) between about 1 1/2 and about 15 wt. percent of a dispersing polymer formed of monomers comprising styrene or alkyl-substituted styrene and acrylic acid or substituted acrylic acid, said support polymer having an acid number of between about 50 and about 250, (4) between about 0.2 and about 7 wt. percent of colored pigment particles encapsulated by and suspended in said dispersing polymer, the total of (2) plus (4) being t least about 60 wt %, and (5) between about 9 and about 18 wt. percent water, plus sufficient ammonia to maintain an emulsion of said emulsion binder and maintain said dispersing polymer encapsulated pigment particles in suspension, said paint having an ASTM D-711 "no pick-up" time of 2 minutes or less at ambient temperatures.
Claim 17
Independent Claim
324 words
A method of marking a paved surface comprising applying to said surface a layer of an air-dry waterborne paint comprising; (1) between about 10 and about 15 wt. percent of an emulsion binder comprising between about 20 and about 40 wt % of a support polymer formed of monomers comprising styrene or alkyl-substituted styrene and acrylic acid or alkyl-substituted acrylic acid, said support polymer having an acid number of between about 50 and about 250, and between about 60 and abut 80 wt. percent of an emulsion polymer formed of monomers comprising esters of acrylic acid or alkyl-substituted acrylic acid, said emulsion polymer being formed of between about 20 and about 80 mole percent monomers which are acrylic esters of alcohols having 8 or more carbon atoms and between about 20 and about 80 mole percent of monomers which are acrylic esters of alcohols having 4 or fewer carbon atoms, said support polymer and said emulsion polymer being in the form of micelles with said support polymer acting as a surfactant to maintain said emulsion polymer within said micelles, (2) between about 53 and about 75 wt. percent colorless or white inorganic pigments and/or fillers plus surfactant sufficient to maintain said colorless or white pigment and/or filler dispersed, and (3) between about 11/2 and about 15 wt. percent of a dispersing polymer formed of monomers comprising styrene or substituted styrene and acrylic acid or alkyl-substituted acrylic acid, said support polymer having an acid number of between about 50 and about 250, (4) between about 0.2 and about 7 wt. percent of colored pigment particles encapsulated by and suspended in said dispersing polymer, the total of (2) plus (4) being at least about 60 wt %, and (5) between about 9 and about 18 wt. percent water, plus sufficient ammonia to maintain an emulsion of said emulsion binder, said paint having an ASTM D-711 "no pick-up" time of 2 minutes or less at ambient temperatures.
Claim 18
Independent Claim
324 words
A method of marking a paved surface comprising applying to said surface a layer of an air-dry waterborne paint comprising; (1) between about 10 and about 15 wt. percent of an emulsion binder comprising between about 20 and about 40 wt % of a support polymer formed of monomers comprising styrene or alkyl-substituted styrene and acrylic acid or alkyl-substituted acrylic acid, said support polymer having an acid number of between about 50 and about 250, and between about 60 and abut 80 wt. percent of an emulsion polymer formed of monomers comprising esters of acrylic acid or alkyl-substituted acrylic acid, said emulsion polymer being formed of between about 20 and about 80 mole percent monomers which are acrylic esters of alcohols having 8 or more carbon atoms and between about 20 and about 80 mole percent of monomers which are acrylic esters of alcohols having 4 or fewer carbon atoms, said support polymer and said emulsion polymer being in the form of micelles with said support polymer acting as a surfactant to maintain said emulsion polymer within said micelles, (2) between about 53 and about 75 wt. percent colorless or white inorganic pigments and/or fillers plus surfactant sufficient to maintain said colorless or white pigment and/or filler dispersed, and (3) between about 11/2 and about 15 wt. percent of a dispersing polymer formed of monomers comprising styrene or substituted styrene and acrylic acid or alkyl-substituted acrylic acid, said support polymer having an acid number of between about 50 and about 250, (4) between about 0.2 and about 7 wt. percent of colored pigment particles encapsulated by and suspended in said dispersing polymer, the total of (2) plus (4) being at least about 60 wt %, and (5) between about 9 and about 18 wt. percent water, plus sufficient ammonia to maintain an emulsion of said emulsion binder, said paint having an ASTM D-711 "no pick-up" time of 2 minutes or less at ambient temperatures.
Claim 19
Independent Claim
335 words
A method of preparing a water-borne, air-dry paint suitable for marking a paved surface comprising mixing (1) an emulsion of a binder in ammonia/aqueous medium, said binder comprising between about 20 and about 40 wt % of a support polymer formed of monomers comprising styrene or alkyl-substituted styrene and acrylic acid or alkyl-substituted acrylic acid, said support polymer having an acid number of between about 50 and about 250, and between about 60 and about 90 wt % of an emulsion polymer formed of monomers comprising esters of acrylic acid or alkyl-substituted styrene and optionally an amount of acrylic acid or an alkyl-substituted acrylic acid sufficiently low so that said emulsion polymer is insoluble in alkaline aqueous solution, said support polymer and said emulsion polymer being in the form of micelles with said support polymer acting as a surfactant to maintain said emulsion polymer within said micelles, (2) between about 53 and about 75 wt % colorless or white pigments and/or fillers, plus surfactant sufficient to maintain said colorless or white pigment and/or fillers dispersed, (3) between about 0.5 and about 22 wt % of banded pigment, between about 20 and about 60 wt % of said banded pigment being colored pigment particles and between about 40 and about 80 wt % of said banded pigment being a suspension polymer formed of monomers comprising styrene or alkyl-substituted styrene and acrylic acid or alkyl-substituted acrylic acid, said support polymer having an acid number of between about 50 and about 250, the amount of banded pigment (3) being sufficient to make the total amount of pigment and/or filler in the paint at least about 60 wt %, (4) optional additional water as required to achieve a desired solids level consistent with parameters recited above, and (5) additional ammonia as required to maintain an emulsion of said emulsion binder and a suspension of said pigment particles encapsulated in said suspension polymer, said paint having an ASTM D-711 "no pick-up" time of 2 minutes or less at ambient temperatures.
Claim 20
Independent Claim
335 words
A method of preparing a water-borne, air-dry paint suitable for marking a paved surface comprising mixing (1) an emulsion of a binder in ammonia/aqueous medium, said binder comprising between about 20 and about 40 wt % of a support polymer formed of monomers comprising styrene or alkyl-substituted styrene and acrylic acid or alkyl-substituted acrylic acid, said support polymer having an acid number of between about 50 and about 250, and between about 60 and about 90 wt % of an emulsion polymer formed of monomers comprising esters of acrylic acid or alkyl-substituted styrene and optionally an amount of acrylic acid or an alkyl-substituted acrylic acid sufficiently low so that said emulsion polymer is insoluble in alkaline aqueous solution, said support polymer and said emulsion polymer being in the form of micelles with said support polymer acting as a surfactant to maintain said emulsion polymer within said micelles, (2) between about 53 and about 75 wt % colorless or white pigments and/or fillers, plus surfactant sufficient to maintain said colorless or white pigment and/or fillers dispersed, (3) between about 0.5 and about 22 wt % of banded pigment, between about 20 and about 60 wt % of said banded pigment being colored pigment particles and between about 40 and about 80 wt % of said banded pigment being a suspension polymer formed of monomers comprising styrene or alkyl-substituted styrene and acrylic acid or alkyl-substituted acrylic acid, said support polymer having an acid number of between about 50 and about 250, the amount of banded pigment (3) being sufficient to make the total amount of pigment and/or filler in the paint at least about 60 wt %, (4) optional additional water as required to achieve a desired solids level consistent with parameters recited above, and (5) additional ammonia as required to maintain an emulsion of said emulsion binder and a suspension of said pigment particles encapsulated in said suspension polymer, said paint having an ASTM D-711 "no pick-up" time of 2 minutes or less at ambient temperatures.
Claim 21
Independent Claim
352 words
A method of preparing a water-borne air-dry paint suitable for marking a paved surface comprising mixing (1) an emulsion of a binder in ammonia/aqueous medium, said binder comprising between about 20 and about 40 wt % of a support polymer formed of monomers comprising styrene or alkyl-substituted styrene and acrylic acid or alkyl-substituted acrylic acid, said support polymer having an acid number of between about 50 and about 250, and between about 60 and about 80 wt % of an emulsion polymer comprising esters of acrylic acid or alkyl-substituted acrylic acid, said emulsion polymer being formed of between about 20 and about 80 mole percent monomers which are acrylic esters of alcohols having 8 or more carbon atoms and between about 20 and about 80 mole percent of monomers which are acrylic esters of alcohols having 4 or fewer carbon atoms, said support polymer and said emulsion polymer being in the form of micelles with said support polymer acting as a surfactant to maintain said emulsion polymer within said micelles, (2) between about 53 and about 75 wt % colorless or white pigments and/or fillers, plus surfactant sufficient to maintain said colorless or white pigment and/or fillers dispersed, (3) between about 0.5 and about 22 wt % of banded pigment, between about 20 and about 60 wt % of said banded pigment being colored pigment particles and between about 40 and about 80 wt % of said banded pigment being a suspension polymer formed of monomers comprising styrene or alkyl-substituted styrene and acrylic acid or alkyl-substituted acrylic acid, said support polymer having an acid number of between about 50 an about 250, the amount of banded pigment (3) being sufficient to make the total amount of pigment and/or filler 60 wt %, (4) optional additional water as required to achieve a desired solids level consistent with parameters recited above, and (5) additional ammonia as required to maintain an emulsion of said emulsion binder and a suspension of said pigment particles encapsulated in said suspension polymer, said paint having an ASTM D-711 "no pick-up" time of 2 minutes or less at ambient temperatures.
Claim 22
Independent Claim
352 words
A method of preparing a water-borne air-dry paint suitable for marking a paved surface comprising mixing (1) an emulsion of a binder in ammonia/aqueous medium, said binder comprising between about 20 and about 40 wt % of a support polymer formed of monomers comprising styrene or alkyl-substituted styrene and acrylic acid or alkyl-substituted acrylic acid, said support polymer having an acid number of between about 50 and about 250, and between about 60 and about 80 wt % of an emulsion polymer comprising esters of acrylic acid or alkyl-substituted acrylic acid, said emulsion polymer being formed of between about 20 and about 80 mole percent monomers which are acrylic esters of alcohols having 8 or more carbon atoms and between about 20 and about 80 mole percent of monomers which are acrylic esters of alcohols having 4 or fewer carbon atoms, said support polymer and said emulsion polymer being in the form of micelles with said support polymer acting as a surfactant to maintain said emulsion polymer within said micelles, (2) between about 53 and about 75 wt % colorless or white pigments and/or fillers, plus surfactant sufficient to maintain said colorless or white pigment and/or fillers dispersed, (3) between about 0.5 and about 22 wt % of banded pigment, between about 20 and about 60 wt % of said banded pigment being colored pigment particles and between about 40 and about 80 wt % of said banded pigment being a suspension polymer formed of monomers comprising styrene or alkyl-substituted styrene and acrylic acid or alkyl-substituted acrylic acid, said support polymer having an acid number of between about 50 an about 250, the amount of banded pigment (3) being sufficient to make the total amount of pigment and/or filler 60 wt %, (4) optional additional water as required to achieve a desired solids level consistent with parameters recited above, and (5) additional ammonia as required to maintain an emulsion of said emulsion binder and a suspension of said pigment particles encapsulated in said suspension polymer, said paint having an ASTM D-711 "no pick-up" time of 2 minutes or less at ambient temperatures.
Claim 23
Dependent Claim
197 words
An air-dry waterborne paint comprising (1) between about 10 and about 15 wt. percent of an emulsion binder comprising between about 20 and about 40 wt % of a support polymer formed monomers comprising styrene or substituted styrene or alkyl-substituted styrene and acrylic acid or alkyl-substituted acrylic acid, said support polymer having an acid number of between about 50 and abut 250, and an emulsion polymer formed of monomers comprising esters of acrylic acid or alkyl-substituted acrylic acid, optionally styrene or alkyl-substituted styrene and optionally an amount of acrylic acid or an alkyl-substituted acrylic acid sufficiently low so that said emulsion polymer is insoluble in alkaline aqueous solution, said support polymer and said emulsion polymer being in the form of micelles with said support polymer acting as a surfactant to maintain said emulsion polymer within said micelles, (2) between about 60 and about 75 wt. percent pigments and/or fillers, plus surfactant sufficient to maintain said pigment and/or filler dispersed, and (3) between about 9 and about 18 wt. percent water, plus sufficient ammonia to maintain an emulsion of said binder, said paint having an ASTM D711 "no pick-up" time of 2 minutes or less at ambient temperatures.
Claim 24
Dependent Claim
197 words
An air-dry waterborne paint comprising (1) between about 10 and about 15 wt. percent of an emulsion binder comprising between about 20 and about 40 wt % of a support polymer formed monomers comprising styrene or substituted styrene or alkyl-substituted styrene and acrylic acid or alkyl-substituted acrylic acid, said support polymer having an acid number of between about 50 and abut 250, and an emulsion polymer formed of monomers comprising esters of acrylic acid or alkyl-substituted acrylic acid, optionally styrene or alkyl-substituted styrene and optionally an amount of acrylic acid or an alkyl-substituted acrylic acid sufficiently low so that said emulsion polymer is insoluble in alkaline aqueous solution, said support polymer and said emulsion polymer being in the form of micelles with said support polymer acting as a surfactant to maintain said emulsion polymer within said micelles, (2) between about 60 and about 75 wt. percent pigments and/or fillers, plus surfactant sufficient to maintain said pigment and/or filler dispersed, and (3) between about 9 and about 18 wt. percent water, plus sufficient ammonia to maintain an emulsion of said binder, said paint having an ASTM D711 "no pick-up" time of 2 minutes or less at ambient temperatures.
Claim 25
Dependent Claim
215 words
An air-dry waterborne paint comprising; (1) between about 10 and about 15 wt. percent of an emulsion binder comprising between about 20 and about 40 wt % of a support polymer formed of monomers comprising styrene or alkyl-substituted styrene and acrylic acid or alkyl-substituted acrylic acid, said support polymer having an acid number of between about 50 and about 250, and an emulsion polymer formed of monomers comprising esters of acrylic acid or alkyl-substituted acrylic acid, said emulsion polymer being formed of between about 20 and about 80 mole percent monomers which are acrylic esters of alcohols having 8 or more carbon atoms and between about 20 and about 80 mole percent of monomers which are acrylic esters of alcohols having 4 or fewer carbon atoms, said support polymer and said emulsion polymer being in the form of micelles with said support polymer acting as a surfactant to maintain said emulsion polymer within said micelles, (2) between about 60 and about 75 wt. percent pigments and/or fillers plus surfactant sufficient to maintain said pigment and/or filler dispersed, and (3) between about 9 and about 18 wt. percent water, plus sufficient ammonia to maintain an emulsion of said binder, said paint having an ASTM D-711 "no pick-up" time of 2 minutes or less at ambient temperatures.
Claim 26
Dependent Claim
215 words
An air-dry waterborne paint comprising; (1) between about 10 and about 15 wt. percent of an emulsion binder comprising between about 20 and about 40 wt % of a support polymer formed of monomers comprising styrene or alkyl-substituted styrene and acrylic acid or alkyl-substituted acrylic acid, said support polymer having an acid number of between about 50 and about 250, and an emulsion polymer formed of monomers comprising esters of acrylic acid or alkyl-substituted acrylic acid, said emulsion polymer being formed of between about 20 and about 80 mole percent monomers which are acrylic esters of alcohols having 8 or more carbon atoms and between about 20 and about 80 mole percent of monomers which are acrylic esters of alcohols having 4 or fewer carbon atoms, said support polymer and said emulsion polymer being in the form of micelles with said support polymer acting as a surfactant to maintain said emulsion polymer within said micelles, (2) between about 60 and about 75 wt. percent pigments and/or fillers plus surfactant sufficient to maintain said pigment and/or filler dispersed, and (3) between about 9 and about 18 wt. percent water, plus sufficient ammonia to maintain an emulsion of said binder, said paint having an ASTM D-711 "no pick-up" time of 2 minutes or less at ambient temperatures.
Claim 27
Dependent Claim
300 words
An air-dry waterborne paint comprising (1) between about 10 and about 15 wt. percent of an emulsion binder comprising between about 20 and about 40 wt % of a support polymer formed of monomers comprising styrene or alkyl-substituted styrene and acrylic acid or alkyl-substituted acrylic acid, said support polymer having an acid number of between about 50 and about 250, and between about 60 and about 80 wt. percent of an emulsion polymer formed of monomers comprising esters of acrylic acid or alkyl-substituted acrylic acid, optionally styrene or alkyl-substituted styrene and optionally an amount of acrylic acid or an alkyl-substituted acrylic acid sufficiently low so that said emulson polymer is insoluble in alkaline aqueous solution, said support polymer and said emulsion polymer being in the form of micelles with said support polymer acting as a surfactant to maintain said emulsion polymer within said micelles, (2) between about 53 and about 75 wt. percent colorless or white inorganic pigments and/or fillers, plus surfactant sufficient to maintain said colorless or white pigment and/or filler dispersed, and (3) between about 11/2 and about 15 wt. percent of a dispersing polymer formed of monomers comprising styrene or alkyl-substituted styrene and acrylic acid or substituted acrylic acid, said support polymer having an acid number of between about 50 and about 250, (4) between about 0.2 and about 7 wt. percent of colored pigment particles encapsulated by and suspended in said dispersing polymer, the total amount of (2) plus (4) being at least about 60 wt %, and (5) between about 9 and about 18 wt. percent water, plus sufficient ammonia to maintain an emulsion of said emulsion binder and maintain said dispersing polymer encapsulated pigment particles in suspension, said paint having an ASTM D-711 "no pick-up" time of 2 minutes or less at ambient temperatures.
Claim 28
Dependent Claim
300 words
An air-dry waterborne paint comprising (1) between about 10 and about 15 wt. percent of an emulsion binder comprising between about 20 and about 40 wt % of a support polymer formed of monomers comprising styrene or alkyl-substituted styrene and acrylic acid or alkyl-substituted acrylic acid, said support polymer having an acid number of between about 50 and about 250, and between about 60 and about 80 wt. percent of an emulsion polymer formed of monomers comprising esters of acrylic acid or alkyl-substituted acrylic acid, optionally styrene or alkyl-substituted styrene and optionally an amount of acrylic acid or an alkyl-substituted acrylic acid sufficiently low so that said emulson polymer is insoluble in alkaline aqueous solution, said support polymer and said emulsion polymer being in the form of micelles with said support polymer acting as a surfactant to maintain said emulsion polymer within said micelles, (2) between about 53 and about 75 wt. percent colorless or white inorganic pigments and/or fillers, plus surfactant sufficient to maintain said colorless or white pigment and/or filler dispersed, and (3) between about 11/2 and about 15 wt. percent of a dispersing polymer formed of monomers comprising styrene or alkyl-substituted styrene and acrylic acid or substituted acrylic acid, said support polymer having an acid number of between about 50 and about 250, (4) between about 0.2 and about 7 wt. percent of colored pigment particles encapsulated by and suspended in said dispersing polymer, the total amount of (2) plus (4) being at least about 60 wt %, and (5) between about 9 and about 18 wt. percent water, plus sufficient ammonia to maintain an emulsion of said emulsion binder and maintain said dispersing polymer encapsulated pigment particles in suspension, said paint having an ASTM D-711 "no pick-up" time of 2 minutes or less at ambient temperatures.
Claim 29
Dependent Claim
308 words
An air-dry waterborne paint comprising; (1) between about 10 and about 15 wt. percent of an emulsion binder comprising between about 20 and about 40 wt % of a support polymer formed of monomers comprising styrene or alkyl-substituted styrene and acrylic acid or alkyl-substituted acrylic acid, said support polymer having an acid number of between about 50 and about 250, and between about 60 and about 80 wt. percent of an emulsion polymer formed of monomers comprising esters of acrylic acid or alkyl-substituted acrylic acid, said emulsion polymer being formed of between about 20 and about 80 mole percent monomers which are acrylic esters of alcohols having 8 or more carbon atoms and between about 20 and about 80 mole percent of monomers which are acrylic esters of alcohols having 4 or fewer carbon atoms, said support polymer and said emulsion polymer being in the form of micelles with said support polymer acting as a surfactant to maintain said emulsion polymer within said micelles, (2) between about 53 and about 75 wt. percent colorless or white inorganic pigments and/or fillers plus surfactant sufficient to maintain said colorless or white pigment and/or filler dispersed, and (3) between about 11/2 and about 15 wt. percent of a dispersing polymer formed of monomers comprising styrene or substituted styrene and acrylic acid or alkyl-substituted acrylic acid, said support polymer having an acid number of between about 50 and about 250, (4) between about 0.2 and about 7 wt. percent of colored pigment particles encapsulated by and suspended in said dispersing polymer, the total amount of (2) plus (4) being about 60 wt. % and (5) between about 9 and about 18 wt. percent water, plus sufficient ammonia to maintain an emulsion of said emulsion binder, said paint having an ASTM D711 "no pick-up" time of 2 minutes or less at ambient temperatures.
Claim 30
Dependent Claim
308 words
An air-dry waterborne paint comprising; (1) between about 10 and about 15 wt. percent of an emulsion binder comprising between about 20 and about 40 wt % of a support polymer formed of monomers comprising styrene or alkyl-substituted styrene and acrylic acid or alkyl-substituted acrylic acid, said support polymer having an acid number of between about 50 and about 250, and between about 60 and about 80 wt. percent of an emulsion polymer formed of monomers comprising esters of acrylic acid or alkyl-substituted acrylic acid, said emulsion polymer being formed of between about 20 and about 80 mole percent monomers which are acrylic esters of alcohols having 8 or more carbon atoms and between about 20 and about 80 mole percent of monomers which are acrylic esters of alcohols having 4 or fewer carbon atoms, said support polymer and said emulsion polymer being in the form of micelles with said support polymer acting as a surfactant to maintain said emulsion polymer within said micelles, (2) between about 53 and about 75 wt. percent colorless or white inorganic pigments and/or fillers plus surfactant sufficient to maintain said colorless or white pigment and/or filler dispersed, and (3) between about 11/2 and about 15 wt. percent of a dispersing polymer formed of monomers comprising styrene or substituted styrene and acrylic acid or alkyl-substituted acrylic acid, said support polymer having an acid number of between about 50 and about 250, (4) between about 0.2 and about 7 wt. percent of colored pigment particles encapsulated by and suspended in said dispersing polymer, the total amount of (2) plus (4) being about 60 wt. % and (5) between about 9 and about 18 wt. percent water, plus sufficient ammonia to maintain an emulsion of said emulsion binder, said paint having an ASTM D711 "no pick-up" time of 2 minutes or less at ambient temperatures.
Claim 31
Dependent Claim
22 words
A paint according to claim 17 wherein substantially none of the carboxylic groups of said support polymer are esterified to hydrophilic moieties.
Claim 32
Dependent Claim
23 words
A method according to claim 17 wherein said emulsion polymer was prepared in the substantial absence of surfactant other than said support polymer.
Claim 33
Dependent Claim
21 words
A paint according to claim 17 which further comprises between about 3 and about 6 wt. percent of an organic solvent.
Claim 34
Dependent Claim
12 words
A paint according to claim 23 wherein said organic solvent is methanol.
Claim 35
Dependent Claim
24 words
A paint according to claim 17 wherein micelles of said emulsion polymer are predominantly in the size range of about 0.2 microns or below.
Claim 36
Dependent Claim
20 words
A paint according to claim 17 wherein micelles of said emulsion polymer are predominantly in the size range of between
Claim 37
Dependent Claim
18 words
A paint according to claim 17 containing between about 0.5 and about 2.0 wt. percent of said surfactant.
Claim 38
Dependent Claim
14 words
A paint according to claim 17 containing a mixture of anionic and non-ionic surfactants.
Claim 39
Dependent Claim
23 words
A method according to claim 17 wherein said emulsion polymer has a T g of between about -15° C. and about 15° C.
Claim 40
Dependent Claim
22 words
A paint according to claim 17 wherein said pigments and/or fillers are at a level of upward of about 68 wt. percent.
Claim 41
Dependent Claim
23 words
A paint according to claim 17 wherein between about 70 and about 90 wt. percent of said fillers and/or pigment is calcium carbonate.
Claim 42
Dependent Claim
24 words
A method according to claim 12 wherein micelles of said emulsion polymer are predominantly in the size range of about 0.2 microns or below.
Claim 43
Dependent Claim
24 words
A method according to claim 13 wherein micelles of aid emulsion polymer are predominantly in the size range of about 0.2 microns or below.
Claim 44
Dependent Claim
24 words
A method according to claim 14 wherein micelles of said emulsion polymer are predominantly in the size range of about 0.2 microns or below.
Claim 45
Dependent Claim
24 words
A method according to claim 15 wherein micelles of said emulsion polymer are predominantly in the size range of about 0.2 microns or below.
Claim 46
Dependent Claim
24 words
A method according to claim 16 wherein micelles of said emulsion polymer are predominantly in the size range of about 0.2 microns or below.
Claim 47
Dependent Claim
24 words
A paint according to claim 18 wherein micelles of said emulsion polymer are predominantly in the size range of about 0.2 microns or below.
Claim 48
Dependent Claim
24 words
A paint according to claim 19 wherein micelles of said emulsion polymer are predominantly in the size range of about 0.2 microns or below.
Claim 49
Dependent Claim
24 words
A paint according to claim 20 wherein micelles of said emulsion polymer are predominantly in the size range of about 0.2 microns or below.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1997-08-22 | 1998-02-21 | 1998-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-08-22 | 2002-02-21 | 2002-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-08-22 | 2006-02-21 | 2006-08-23 | $7700.00 | Window Closed / Lapsed |