US3975352A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Repellent compositions and elements containing the same
Assignee: Eastman Kodak Co
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Filing: 1975-03-13
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Granted: 1976-08-17
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Expires: 1995-03-13
Abstract
Abstract A repellent composition containing an oil of low volatility having a surface energy less than 27 dynes/cm. and a solid fluorinated polymer such as a polymer of a fluoroalkyl acrylate. In accord with certain embodiments of the invention, a resinous binder and/or a particulate fluorocarbon powder may be added to the repellent composition. The repellent composition may be used to prepare an ink repellent surface for a "waterless" lithoplate or as a coating on the surface of an electrographic element from which a liquid developed electrographic image is transferred.
Inventors
- 👤 William E. Yoerger
- 👤 John M. McCabe
- 👤 John F. Wright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:02
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/14; G03G5/147; G03G5/14708; G03G5/14713; G03G5/14717; G03G5/14726; B; B41; B41N; B41N1/00; B41N1/003; G03G13/00; G03G13/26; G03G13/28; G03G13/286; G03G5/14734; G03G5/14747; G03G5/14773; G03G5/14786; B41C; B41C2210/00; B41C2210/16
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
117 words
A repellent composition comprising from about 1 to about 40 percent by weight of an oil of low volatility having a surface energy of less than about 27 dynes/cm selected from the group consisting of fluorinated oils and poly(siloxane) oils and from about 5 to about 98 percent by weight of a solid fluorinated polymer having repeating units of the following formula: ##EQU1## wherein R 1 represents hydrogen or an alkyl group having 1 to about 4 carbon atoms and wherein Y represents a moiety having one of the following formulas: ##EQU2## wherein R is a fluorinated alkyl or a fluoroalkoxy substituted fluorinated alkyl having 1 to about 20 carbon atoms and n is 0 or 1.
Claim 2
Dependent Claim
117 words
A repellent composition comprising from about 1 to about 40 percent by weight of an oil of low volatility having a surface energy of less than about 27 dynes/cm selected from the group consisting of fluorinated oils and poly(siloxane) oils and from about 5 to about 98 percent by weight of a solid fluorinated polymer having repeating units of the following formula: ##EQU1## wherein R 1 represents hydrogen or an alkyl group having 1 to about 4 carbon atoms and wherein Y represents a moiety having one of the following formulas: ##EQU2## wherein R is a fluorinated alkyl or a fluoroalkoxy substituted fluorinated alkyl having 1 to about 20 carbon atoms and n is 0 or 1.
Claim 3
Dependent Claim
21 words
The composition of claim 1 wherein said repellent composition comprises up to about 85 percent by weight of a polymeric binder.
Claim 4
Dependent Claim
42 words
The composition of claim 1 wherein said repellent composition comprises up to about 85 percent by weight of a polymeric binder selected from the group consisting of silicone resins, poly(acrylic ester) resins and poly(methacrylic ester) resins, fluorinated hydrocarbon resins, and mixtures thereof.
Claim 5
Dependent Claim
116 words
A repellent composition comprising from about 2.5 to about 40 percent by weight of a fluorinated oil having a surface energy less than about 27 dynes/cm, from about 50 to about 80 percent by weight of a fluorinated hydrocarbon resinous binder, and from about 5 to about 98 percent by weight of a solid fluorinated polymer having repeating units of the following formula: ##STR10## wherein R 1 represents hydrogen or an alkyl having 1 to about 4 carbon atoms and wherein Y represents a moiety having one of the following formulas: ##STR11## wherein R is a fluorinated alkyl or a fluoroalkoxy-substituted fluorinated alkyl having 1 to about 20 carbon atoms and n is 0 or 1.
Claim 6
Dependent Claim
116 words
A repellent composition comprising from about 2.5 to about 40 percent by weight of a fluorinated oil having a surface energy less than about 27 dynes/cm, from about 50 to about 80 percent by weight of a fluorinated hydrocarbon resinous binder, and from about 5 to about 98 percent by weight of a solid fluorinated polymer having repeating units of the following formula: ##STR10## wherein R 1 represents hydrogen or an alkyl having 1 to about 4 carbon atoms and wherein Y represents a moiety having one of the following formulas: ##STR11## wherein R is a fluorinated alkyl or a fluoroalkoxy-substituted fluorinated alkyl having 1 to about 20 carbon atoms and n is 0 or 1.
Claim 7
Dependent Claim
22 words
The repellent composition of claim 4 wherein said composition comprises up to about 40 percent by weight of a particulate fluorocarbon powder.
Claim 8
Dependent Claim
17 words
The repellent composition of claim 4 wherein R is a perfluorinated alkyl or a perfluoroalkoxy-substituted fluorinated alkyl.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-08-17 | 1980-02-16 | 1980-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-08-17 | 1984-02-16 | 1984-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-08-17 | 1988-02-16 | 1988-08-17 | $7700.00 | Window Closed / Lapsed |