Patent US2948638A successfully refreshed from Google Patents.
US2948638A
Expired / Lapsed
US
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Coated vinyl chloride plastisol resin particles coated with a carboxylic acid salt and method of preparation
Assignee: Goodrich Corp
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Filing: 1956-10-12
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Granted: 1960-08-09
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Expires: 1976-10-12
Abstract
No abstract record available.
Inventors
- 👤 Baird Blake Orval
- 👤 Robert P Davie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:07
CPC Classifications
C; C08; C08L; C08L27/00; C08L27/02; C08L27/04; C08K; C08K5/00; C08K5/04; C08K5/09; C08K5/098; C09; C09D; C09D127/00; C09D127/02; C09D127/04; C08L33/00; C08L33/02; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2982; Y10T428/2991; Y10T428/2998
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A DRY, GRANULAR VINYL CHLORIDE PLASTISOL RESIN CONSISTING OD PARTICLES, FINER THAN ABOUT 5 MICRONS AND OBTAINED FROM THE POLYMERIZATION OF A MONOMEIC MATERIAL CONTAINING AT LEAST 90% BY WEIGHT OF VINYL CHLORIDE, AND AS A COATING ON SAID PARTICLES FROM ABOUT 0.1 TO ABOUT 5% BY WEIGHT BASED ON SAID PARTICLES OF A SALT OF AN ACID SELECTED FROM THE CLASS CONSISTING OF THE 3 TO 8 CARBON ATOM SATURATED MONOCARBOXYLIC ACIDS AND POLYCARBOXYLIC ACIDS, 3 TO 8 CARBON ATOM UNSATURATED MONO- AND DICARBOXYLIC ACIDS AND THEIR ANHYDRIDES, AND POLYMERIC FORMS OF SAID UNSATURATED MONO- AND DICARBOXYLIC ACIDS AND THEIR ANHYDRIDES WHEREIN THE SAID ACID AND ANHYDRIDE CONSTITUTES AT LEAST 50 MOL PERCENT OF THE POLYMER.
Claim 2
Dependent Claim
117 words
A DRY, GRANULAR VINYL CHLORIDE PLASTISOL RESIN CONSISTING OD PARTICLES, FINER THAN ABOUT 5 MICRONS AND OBTAINED FROM THE POLYMERIZATION OF A MONOMEIC MATERIAL CONTAINING AT LEAST 90% BY WEIGHT OF VINYL CHLORIDE, AND AS A COATING ON SAID PARTICLES FROM ABOUT 0.1 TO ABOUT 5% BY WEIGHT BASED ON SAID PARTICLES OF A SALT OF AN ACID SELECTED FROM THE CLASS CONSISTING OF THE 3 TO 8 CARBON ATOM SATURATED MONOCARBOXYLIC ACIDS AND POLYCARBOXYLIC ACIDS, 3 TO 8 CARBON ATOM UNSATURATED MONO- AND DICARBOXYLIC ACIDS AND THEIR ANHYDRIDES, AND POLYMERIC FORMS OF SAID UNSATURATED MONO- AND DICARBOXYLIC ACIDS AND THEIR ANHYDRIDES WHEREIN THE SAID ACID AND ANHYDRIDE CONSTITUTES AT LEAST 50 MOL PERCENT OF THE POLYMER.
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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) | 1963-08-09 | 1964-02-08 | 1964-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-09 | 1968-02-08 | 1968-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-09 | 1972-02-08 | 1972-08-09 | $7700.00 | Window Closed / Lapsed |