Patent US4143019A successfully refreshed from Google Patents.
US4143019A
Expired / Lapsed
US
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Adhesive joint dressing compositions and methods of using same
Assignee: Tile Council of America Inc
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Filing: 1977-07-21
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Granted: 1979-03-06
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Expires: 1997-07-21
Abstract
Abstract Adhesive dressing compositions are disclosed which are useful in restoring and improving adhesive joint surfaces such as grout surfaces in ceramic tile installations by easy, efficient methods. Such compositions form stain resistant, water repellent, washable coverings which adhere to most adhesive surfaces and further have properties of preferential adherability to certain adhesive surfaces compared with adjacent adherend surfaces. The compositions comprise a polymer in the form of an emulsion, an alkali-thickenable polymer, an alkaline material and water with other components including pigments, plasticizers and solvents.
Inventors
- 👤 David R. Burley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:14
CPC Classifications
C; C09; C09D; C09D5/00; C09D157/00; C09D157/06; C09D157/10
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
349 words
A dressing composition capable of selectively adhering to substrate surfaces and forming on adherable substrate surfaces a non-porous, stain resistant, washable layer when cured, said composition comprising (i) a high molecular weight polymer in the form of an emulsion which is not alkali-thickenable and which emulsion is destabilized in the presence of polyvalent cations whereby the droplets of the polymer no longer remain suspended in the liquid phase, said polymer selected from the group consisting of polymers of carboxylic acids, polymers of esters of carboxylic acids, and copolymers of a carboxylic acid or ester of a carboxylic acid with one or more monomers from the group consisting of carboxylic acids, esters of carboxylic acids, acrylonitriles, acrylamides, aromatic compounds and alkenes, said polymer characterized as being room-temperature curable and forming a water-resistant film when cured; (ii) a high molecular weight polymer which is alkali-thickenable whereby it is capable of substantially increasing the viscosity of the composition as its pH is increased above neutral pH, said polymer in the form of a colloidal dispersion or emulsion of polymer particles which dispersion or emulsion is destabilized in the presence of polyvalent cations, said polymer selected from the group consisting of polymers of carboxylic acids, polymers of esters of carboxylic acids, and copolymers of a carboxylic acid or ester of a carboxylic acid with one or more monomers from the group consisting of carboxylic acids, esters of carboxylic acids, acrylonitriles, acrylamides, aromatic compounds and alkenes, said polymer characterized as being room-temperature curable and forming a water-resistant film when cured; (iii) an alkaline agent wherein the cation of said agent is mono-valent, said alkaline agent present in sufficient amounts to cause the alkali-thickenable polymer to increase the viscosity of the composition; and (iv) water; wherein the total weight of polymer solids is in the range of 5-60% by weight of the total composition, wherein the weight ratio of the alkali-thickenable polymer to the non-alkali thickenable polymer is in the range 2.2:1 to 0.9:1, and wherein the composition has a thixotropic rheology and a viscosity which is greater than about 50,000 cps at 70° F.
Claim 2
Dependent Claim
349 words
A dressing composition capable of selectively adhering to substrate surfaces and forming on adherable substrate surfaces a non-porous, stain resistant, washable layer when cured, said composition comprising (i) a high molecular weight polymer in the form of an emulsion which is not alkali-thickenable and which emulsion is destabilized in the presence of polyvalent cations whereby the droplets of the polymer no longer remain suspended in the liquid phase, said polymer selected from the group consisting of polymers of carboxylic acids, polymers of esters of carboxylic acids, and copolymers of a carboxylic acid or ester of a carboxylic acid with one or more monomers from the group consisting of carboxylic acids, esters of carboxylic acids, acrylonitriles, acrylamides, aromatic compounds and alkenes, said polymer characterized as being room-temperature curable and forming a water-resistant film when cured; (ii) a high molecular weight polymer which is alkali-thickenable whereby it is capable of substantially increasing the viscosity of the composition as its pH is increased above neutral pH, said polymer in the form of a colloidal dispersion or emulsion of polymer particles which dispersion or emulsion is destabilized in the presence of polyvalent cations, said polymer selected from the group consisting of polymers of carboxylic acids, polymers of esters of carboxylic acids, and copolymers of a carboxylic acid or ester of a carboxylic acid with one or more monomers from the group consisting of carboxylic acids, esters of carboxylic acids, acrylonitriles, acrylamides, aromatic compounds and alkenes, said polymer characterized as being room-temperature curable and forming a water-resistant film when cured; (iii) an alkaline agent wherein the cation of said agent is mono-valent, said alkaline agent present in sufficient amounts to cause the alkali-thickenable polymer to increase the viscosity of the composition; and (iv) water; wherein the total weight of polymer solids is in the range of 5-60% by weight of the total composition, wherein the weight ratio of the alkali-thickenable polymer to the non-alkali thickenable polymer is in the range 2.2:1 to 0.9:1, and wherein the composition has a thixotropic rheology and a viscosity which is greater than about 50,000 cps at 70° F.
Claim 3
Dependent Claim
42 words
The dressing composition of claim 1 wherein volatile components of the composition comprise at least 20% by weight of the composition and the alkaline agent is present in an amount sufficient to adjust the pH of the composition to greater than 7.
Claim 4
Dependent Claim
20 words
The composition of claim 1 wherein at least 5% of the polymer solids comprise the non-alkali thickenable emulsion polymer (i).
Claim 5
Dependent Claim
24 words
The composition of claim 1 wherein the non-alkali thickenable polymer in the form of an emulsion is a polymer of an alpha-olefinic monocarboxylic acid.
Claim 6
Dependent Claim
34 words
The composition of claim 1 wherein the non-alkali thickenable polymer is a copolymer wherein at least one of the monomers is selected from the group consisting of acrylic acid, and esters of acrylic acid.
Claim 7
Dependent Claim
15 words
The composition of claim 1 wherein said non-alkali thickenable polymer is an acrylic emulsion polymer.
Claim 8
Dependent Claim
25 words
The composition of claim 1 wherein the alkali thickenable polymer has an acid monomer content of from 6 to 25% by weight of the polymer.
Claim 9
Dependent Claim
11 words
The composition of claim 1 wherein the alkaline agent is monobasic.
Claim 10
Dependent Claim
18 words
The composition of claim 8 wherein the monobasic alkaline agent is selected from ammonium and alkali metal hydroxides.
Claim 11
Dependent Claim
45 words
The dressing composition of claim 1 wherein said composition further comprises a solvent capable of inhibiting the time rate of film formation of the composition and present in an amount sufficient to allow adequate time for the composition to be suitably applied to a substrate.
Claim 12
Dependent Claim
24 words
The composition of claim 10 wherein the solvent is water soluble and has a vapor pressure at room temperature lower than that of water.
Claim 13
Dependent Claim
12 words
The composition of claim 11 wherein the solvent is a short-chain diol.
Claim 14
Dependent Claim
11 words
The composition of claim 12 wherein the solvent is ethylene glycol.
Claim 15
Dependent Claim
10 words
The composition of claim 1 further comprising a pigment component.
Claim 16
Dependent Claim
26 words
The composition of claim 14 wherein said pigment is present in sufficient amount to render the cured composition with sufficient opacity to obscure the substrate surface.
Claim 17
Dependent Claim
19 words
The composition of claim 1 further comprising a coalescing aid for inhibiting the cracking of the composition when cured.
Claim 18
Dependent Claim
21 words
The composition of claim 16 wherein said coalescing aid is selected from the group consisting of diacetone alcohol and Butyl Cellosolve.
Claim 19
Dependent Claim
9 words
The composition of claim 1 further comprising a plasticizer.
Claim 20
Dependent Claim
12 words
The composition of claim 1 wherein said composition further comprises a microbicide.
Claim 21
Dependent Claim
26 words
The dressing composition of claim 1 wherein the weight ratio of the alkali-thickenable polymer to the non-alkali thickenable polymer is in the range 1:1 to 2.2:1.
References Cited (Backward Citations)
US4055529A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-03-05 | 1982-09-04 | 1983-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-03-05 | 1986-09-04 | 1987-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-03-05 | 1990-09-04 | 1991-03-06 | $7700.00 | Window Closed / Lapsed |