US3953374A
Expired / Lapsed
US
⏱️ 0.0 years remaining
One-pass electroconductive coating color formulation
Assignee: Calgon Corp
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Filing: 1974-02-19
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Granted: 1976-04-27
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Expires: 1994-02-19
Abstract
Abstract One-pass electroconductive coating color formulations are achieved by incorporating into electroconductive coating color formulations an effective quantity of a perfluoroalkyl phosphate salt.
Inventors
- 👤 Robert H. Windhager
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:57
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/10; G03G5/105
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
118 words
A method for enhancing the solvent holdout properties of electroconductive coating color formulations containing from 15 to 50% by weight of a water soluble electroconductive polymer, from 30 to 70% by weight of a water soluble, non-conductive film-forming polymeric binder, and from 10 to 60% by weight of a pigment which comprises adding to such formulations from 0.5 to 10% by weight of mono- and bis-(1H,1H,2H,2H-perfluoroalkyl)-phosphate esters of the formula: (C.sub.m F.sub.2m.sub.+1 C.sub.n H.sub.2n O).sub.y PO(OM).sub.3.sub.-y wherein m is an integer between 4 and 10, n is an integer between 1 and 11, y is 1 or 2 and M is a water solubilizing cation selected from the group consisting of an alkali metal, ammonium or substituted ammonium.
Claim 2
Independent Claim
118 words
A method for enhancing the solvent holdout properties of electroconductive coating color formulations containing from 15 to 50% by weight of a water soluble electroconductive polymer, from 30 to 70% by weight of a water soluble, non-conductive film-forming polymeric binder, and from 10 to 60% by weight of a pigment which comprises adding to such formulations from 0.5 to 10% by weight of mono- and bis-(1H,1H,2H,2H-perfluoroalkyl)-phosphate esters of the formula: (C.sub.m F.sub.2m.sub.+1 C.sub.n H.sub.2n O).sub.y PO(OM).sub.3.sub.-y wherein m is an integer between 4 and 10, n is an integer between 1 and 11, y is 1 or 2 and M is a water solubilizing cation selected from the group consisting of an alkali metal, ammonium or substituted ammonium.
Claim 3
Dependent Claim
32 words
The method of claim 1 in which the water solubilizing cation is diethanolamine and C m and C n , taken together, constitute a straight chain of at least eight carbon atoms.
Claim 4
Dependent Claim
55 words
The method of claim 2 in which the fluorocarbon is a member selected from the group consisting of diethanolamine salts of mono- and bis-(1H,1H,2H,2H-perfluoroalkyl)-phosphates wherein the alkyl group is even numbered in the range C 8 -C 18 and the salts have a fluorine content of 52.4 to 54.4% as determined on a solids basis.
Claim 5
Dependent Claim
18 words
The method of claim 3 in which the water soluble electroconductive polymer is a cationic quaternary ammonium polymer.
Claim 6
Dependent Claim
84 words
The method of claim 4 in which the cationic quaternary ammonium polymer is a member selected from the group consisting of poly-(dimethyl diallyl ammonium chloride), a copolymer of dimethyl diallyl ammonium chloride and diacetone acrylamide containing from 70% to 98% of diallyl monomer units, polyvinylbenzyl trimethyl ammonium chloride, polymethacryloloxyethyl trimethyl ammonium chloride, polymethacryloloxyethyl trimethyl ammonium methosulfate, polyepichlorohydrin 80 to 100% quaternized with trimethylamine, copolymers of acrylamide and methacryloloxyethyl trimethyl ammonium chloride containing from 90 to 99.5% methacryloloxyethyl monomer, and poly-(methacryloloxyethyl dimethyl hydroxyethyl ammonium chloride.
Claim 7
Dependent Claim
63 words
The method of claim 5 in which the binder is a mixture of polyvinyl acetate and polyvinyl alcohol in which the polyvinyl acetate constitutes from 20 to 50% by weight of the formulation and the polyvinyl alcohol constitutes from 10 to 40% by weight of the formulation and wherein there is added to the formulation from 1 to 15% by weight of melamine.
Claim 8
Dependent Claim
114 words
In an electroconductive coating color formulation containing from 15 to 50% by weight of a water soluble electroconductive polymer, from 30 to 70% by weight of a water soluble, non-conductive film-forming polymer binder, and from 10 to 60% by weight of a pigment, the improvement which comprises from 0.5 to 10% by weight of the coating color formulation of mono- and bis-(1H,1H,2H,2H-perfluoroalkyl)-phosphate esters of the formula: (C.sub.m F.sub.2m.sub.+1 C.sub.n H.sub.2n O).sub.y PO(OM).sub.3.sub.-y wherein m is an integer between 4 and 10, n is an integer between 1 and 11, y is 1 or 2 and M is a water solubilizing cation selected from the group consisting of an alkali metal, ammonium or substituted ammonium.
Claim 9
Dependent Claim
114 words
In an electroconductive coating color formulation containing from 15 to 50% by weight of a water soluble electroconductive polymer, from 30 to 70% by weight of a water soluble, non-conductive film-forming polymer binder, and from 10 to 60% by weight of a pigment, the improvement which comprises from 0.5 to 10% by weight of the coating color formulation of mono- and bis-(1H,1H,2H,2H-perfluoroalkyl)-phosphate esters of the formula: (C.sub.m F.sub.2m.sub.+1 C.sub.n H.sub.2n O).sub.y PO(OM).sub.3.sub.-y wherein m is an integer between 4 and 10, n is an integer between 1 and 11, y is 1 or 2 and M is a water solubilizing cation selected from the group consisting of an alkali metal, ammonium or substituted ammonium.
Claim 10
Dependent Claim
32 words
The method of claim 7 in which the water solubilizing cation is diethanolamine and C m and C n , taken together, constitute a straight chain of at least eight carbon atoms.
Claim 11
Dependent Claim
57 words
The coating color formulation of claim 8 in which the fluorocarbon is a member selected from the group consisting of diethanolamine salts of mono- and bis-(1H,1H,2H,2H-perfluoroalkyl)phosphates wherein the alkyl group is even numbered in the range C 8 -C 18 and the salts have a fluorine content of 52.4 to 54.4% as determined on a solids basis.
Claim 12
Dependent Claim
17 words
The coating color formulation of claim 9 in which the electroconductive polymer is a cationic-quaternary ammonium polymer.
Claim 13
Dependent Claim
84 words
The coating color formulation of claim 10 in which the cationic-quaternary ammonium polymer is a member selected from the group consisting of poly-(dimethyl diallyl ammonium chloride), a copolymer of dimethyl diallyl ammonium chloride and diacetone acrylamide containing from 70 to 98% of diallyl monomer units, polyvinylbenzyl trimethylammonium chloride, polymethacryloloxyethyl trimethyl ammonium chloride, polymethacryloloxyethyl trimethyl ammonium methosulfate, polyepichlorohydrin 80 to 100% quaternized with trimethylamine, copolymers of acrylamide and methacryloloxyethyl trimethyl ammonium chloride containing from 90 to 99.5% methacryloloxyethyl monomer, and poly-(methacryloloxyethyl dimethyl hydroxyethyl ammonium chloride).
Claim 14
Dependent Claim
65 words
The coating color formulation of claim 11 in which the binder is a mixture of polyvinyl acetate and polyvinyl alcohol in which the polyvinyl acetate constitutes from 20 to 50% by weight of the formulation and the polyvinyl alcohol constitutes from 10 to 40% by weight of the formulation and wherein there is added to the formulation from 1 to 15% by weight of melamine.
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) | 1979-04-27 | 1979-10-27 | 1980-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-04-27 | 1983-10-27 | 1984-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-04-27 | 1987-10-27 | 1988-04-27 | $7700.00 | Window Closed / Lapsed |