US4940757A
Expired / Lapsed
US
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Stain resistant polymeric composition
Assignee: PEACHSTATE LABS Inc A CORP OF
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Filing: 1989-04-20
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Granted: 1990-07-10
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Expires: 2009-04-20
Abstract
Abstract A stain resistant composition for fibers having polyamide linkages prepared by polymerizing an alpha -substituted acrylic acid or ester in the presence of a sulfonated aromatic formaldehyde condensation polymer, and methods for making and applying the composition.
Inventors
- 👤 Thomas H. Moss, III
- 👤 Ralph R. Sargent
- 👤 Michael S. Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:09
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/39; D06M15/41; D06M15/412; D06M15/21; D06M15/263
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
72 words
A stain resistant composition comprising a polymeric product prepared by: polymerizing H 2 C═C(R)CO 2 X, where R is a hydrocarbon, halogenated hydrocarbon, or sulfonated hydrocarbon of from C 1 to C 15 , phenol, naphthol, sulfonated phenol, sulfonated naphthol or a halogen, and X is H or a hydroxylated, ethoxylated, sulfonated, or halogenated hydrocarbon of C 1 to C 15 , in the presence of a sulfonated aromatic formaldehyde condensation polymer.
Claim 2
Dependent Claim
72 words
A stain resistant composition comprising a polymeric product prepared by: polymerizing H 2 C═C(R)CO 2 X, where R is a hydrocarbon, halogenated hydrocarbon, or sulfonated hydrocarbon of from C 1 to C 15 , phenol, naphthol, sulfonated phenol, sulfonated naphthol or a halogen, and X is H or a hydroxylated, ethoxylated, sulfonated, or halogenated hydrocarbon of C 1 to C 15 , in the presence of a sulfonated aromatic formaldehyde condensation polymer.
Claim 3
Dependent Claim
31 words
The composition of claim 1 wherein the ratio of grams of H 2 C═C(R)CO 2 H to grams of condensation polymer in the polymerization mixture is between approximately 30:1 and 1:1.
Claim 4
Dependent Claim
28 words
The composition of claim 2 wherein the ratio of grams of H 2 C═C(R)CO 2 H to grams of condensation polymer in the polymerization mixture is approximately 8:1.
Claim 5
Dependent Claim
26 words
The composition of claim 1 wherein R is selected from the group consisting of methyl, ethyl, propyl, butyl, phenyl phenol, sulfonated phenol, naphthol, chloro, and fluoro.
Claim 6
Dependent Claim
9 words
The composition of claim 1 wherein X is hydrogen.
Claim 7
Dependent Claim
21 words
The composition of claim 5 wherein the hydroxyaromatic is selected from the group consisting of phenyl, phenol, naphthol, napthalene, and 4,4'-dihydroxydiphenylsulfone.
Claim 8
Dependent Claim
20 words
The composition of claim 1 wherein between approximately 30% and 70% of the units of the condensation polymer are sulfonated.
Claim 9
Dependent Claim
25 words
The composition of claim 1 further comprising a compound selected from the group consisting of anionic surfactants, nonanionic surfactants, foaming surfactants and anionic antistatic agents.
Claim 10
Dependent Claim
12 words
The composition of claim 8 wherein the surfactant is ammonium laurel sulfate.
Claim 11
Dependent Claim
10 words
The composition of claim 1 containing less than 1% monomer.
Claim 12
Independent Claim
69 words
A method of preparing a stain resistant composition comprising: polymerizing H 2 C═C(R)CO 2 X, where R is a hydrocarbon, halogenated hydrocarbon, or sulfonated hydrocarbon of from C 1 to C 15 phenol, naphthol, sulfonated phenol, sulfonated naphthol or a halogen, and X is H or a hydroxylated, ethoxylated, sulfonated or halogenated hydrocarbon of C 1 to C 15 in the presence of a sulfonated aromatic formaldehyde condensation polymer.
Claim 13
Independent Claim
69 words
A method of preparing a stain resistant composition comprising: polymerizing H 2 C═C(R)CO 2 X, where R is a hydrocarbon, halogenated hydrocarbon, or sulfonated hydrocarbon of from C 1 to C 15 phenol, naphthol, sulfonated phenol, sulfonated naphthol or a halogen, and X is H or a hydroxylated, ethoxylated, sulfonated or halogenated hydrocarbon of C 1 to C 15 in the presence of a sulfonated aromatic formaldehyde condensation polymer.
Claim 14
Dependent Claim
16 words
The method of claim 11 further comprising initiating the polymerization with a free radical producing agent.
Claim 15
Dependent Claim
25 words
The method of claim 12 wherein the free radical producing agent is selected from the group consisting of potassium persulfate, ammonium persulfate, and sodium persulfate.
Claim 16
Dependent Claim
24 words
The method of claim 11 further comprising polymerizing the H 2 C═C(R)CO 2 H at a temperature of between 50° C. and 100° C.
Claim 17
Dependent Claim
20 words
The method of claim 11 further comprising polymerizing the H 2 C═C(R)CO 2 H until less than 1% monomer remains.
Claim 18
Dependent Claim
38 words
The method of claim 11 wherein X is H, further comprising providing a ratio of grams of H 2 C═C(R)CO 2 H to grams of condensation polymer solids in the polymerization mixture of between approximately 30:1 and 1:1.
Claim 19
Dependent Claim
29 words
The method of claim 16 wherein the ratio of grams of H 2 C═C(R)CO 2 H to grams of condensation polymer solids in the polymerization mixture is approximately 8:1.
Claim 20
Dependent Claim
28 words
The method of claim 11 further comprising selecting R from the group consisting of methyl, ethyl, propyl, butyl, phenyl, phenol, naphthol, sulfonated naphthol, sulfonated phenol, fluoro, and chloro.
Claim 21
Dependent Claim
11 words
The method of claim 11, further comprising selecting X as H.
Claim 22
Dependent Claim
21 words
The method of claim 19 further comprising selecting the hydroxyaromatic from the group consisting of phenyl, phenol, naphthol, napthalene, and 4,4'-dihydroxydiphenylsulfone.
Claim 23
Dependent Claim
19 words
The method of claim 11 further comprising providing between approximately 30% and 70% sulfonated units in the condensation polymer.
References Cited (Backward Citations)
US2581390A
Cited
US1901536A
Cited
US1988985A
Cited
US1972754A
Cited
US2036161A
Cited
US2112361A
Cited
US2171806A
Cited
US3221079A
Cited
US3481890A
Cited
US3691118A
Cited
US3851012A
Cited
US3843576A
Cited
US4187383A
Cited
US4592940A
Cited
US4501591A
Cited
US4565838A
Cited
US4739002A
Cited
EP0235980A1
Cited
EP0235989A1
Cited
US4680212A
Cited
US4839212A
Cited
US4780099A
Cited
EP0267681A2
Cited
EP0268374A2
Cited
EP0328822A2
Cited
EP0329899A2
Cited
US4822373A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-07-09 | 1994-01-08 | 1994-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-07-09 | 1998-01-08 | 1998-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-07-09 | 2002-01-08 | 2002-07-10 | $7700.00 | Window Closed / Lapsed |