US3062764A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aqueous coating composition comprising polytetrafluoroethylene, polyorganosiloxane and an acrylic tripolymer and substrata coated therewith
Assignee: EIDP Inc
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Filing: 1959-04-13
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Granted: 1962-11-06
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Expires: 1979-04-13
Abstract
No abstract record available.
Inventors
- 👤 Le Verne K Osdal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:46
CPC Classifications
C; C09; C09D; C09D127/00; C09D127/02; C09D127/12; C09D127/18; C08; C08L; C08L33/00; C08L33/04; C08L33/06; C08L83/00; C08L83/04; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/294; Y10T428/31504; Y10T428/3154; Y10T428/31544; Y10T428/31678; Y10T428/31692; Y10T428/31699
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A COATING COMPOSITION WHICH COMPRISES AN AQUEOUS DISPERSION HAVING AS ESSENTIAL FILM-FORMING CONSTITUENTS 100 PARTS BY WEIGHT OF A BLEND OF (A) AT LEAST ABOUT 65 PARTS BY WEIGHT OF POLYTETRAFLUOROETHYLENE, (B) ABOUT 3-30 PARTS BY WEIGHT OF A WATER-DISPERSIBLE, HEAT-REACTIVE SILICONE RESIN WHICH IS A POLY(ORGANOSILOXANE) BEARING HYDROCARBON SUBSTITUENTS SELECTED FROM THE GROUP CONSISTING OF ALKYL AND ARYL RADICALS, AND (C) ABOUT 2-15 PARTS BY WEIGHT OF AT LEAST ONE COPOLYMER OF AT LEAST ONE ESTER OF A MONOETHYLENICALLY UNSATURATED MONOCARBOXYLIC ACID BEARING AN ALPHAMETHYLENE GROUP, AT LEAST ONE NITRILE OF SUCH AN ACID AND AT LEAST ONE ALPHA-MONOETHYLENICALLY UNSATURATED MONOCARBOXYLIC ACID.
Claim 2
Dependent Claim
103 words
A COATING COMPOSITION WHICH COMPRISES AN AQUEOUS DISPERSION HAVING AS ESSENTIAL FILM-FORMING CONSTITUENTS 100 PARTS BY WEIGHT OF A BLEND OF (A) AT LEAST ABOUT 65 PARTS BY WEIGHT OF POLYTETRAFLUOROETHYLENE, (B) ABOUT 3-30 PARTS BY WEIGHT OF A WATER-DISPERSIBLE, HEAT-REACTIVE SILICONE RESIN WHICH IS A POLY(ORGANOSILOXANE) BEARING HYDROCARBON SUBSTITUENTS SELECTED FROM THE GROUP CONSISTING OF ALKYL AND ARYL RADICALS, AND (C) ABOUT 2-15 PARTS BY WEIGHT OF AT LEAST ONE COPOLYMER OF AT LEAST ONE ESTER OF A MONOETHYLENICALLY UNSATURATED MONOCARBOXYLIC ACID BEARING AN ALPHAMETHYLENE GROUP, AT LEAST ONE NITRILE OF SUCH AN ACID AND AT LEAST ONE ALPHA-MONOETHYLENICALLY UNSATURATED MONOCARBOXYLIC ACID.
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) | 1965-11-05 | 1966-05-07 | 1966-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-05 | 1970-05-07 | 1970-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-05 | 1974-05-07 | 1974-11-06 | $7700.00 | Window Closed / Lapsed |