US3278477A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vinyl chloride plastisols
Assignee: Goodrich Corp
•
Filing: 1965-09-01
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Granted: 1966-10-11
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Expires: 1985-09-01
Abstract
No abstract record available.
Inventors
- 👤 Robert W Evans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:00
CPC Classifications
C; C08; C08L; C08L63/00; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/50; C08G59/5046; C08G59/5053; C08G59/508; C08G59/5086; C08K; C08K5/00; C08K5/04; C08K5/10; C08K5/11; C08K5/16; C08K5/34; C08K5/3467; C08K5/3477; C08K5/3492; C08K5/34922; C08L27/00; C08L27/02; C08L27/04; C08L27/06; C09; C09D; C09D127/00; C09D127/02; C09D127/04; C09D127/06; C08L61/00; C08L61/20; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31511; Y10T428/31529; Y10T428/31678; Y10T428/31692; Y10T428/31699
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
A VINYL CHLORIDE RESIN PLASTISOL COMPOSITION CAPABLE OF CURING TO A FLEXIBLE CONDITION WHEN HEATED AT TEMPERATURES IN THE ORDER OF 325 OF 410*F. AND OF ADHERING TENACIOUSLY TO UPRIMED SOLID SURFACES WHEN IN CONTACT THEREWITH AND HEATED TO SAID TEMPERATURES IN CONTACT THEREWITH, SAID COMPOSITION COMPRISING AS ESSENTIAL INGREDIENTS: (1) PARTICLES OF POLYVINYL CHLORIDE RESIN, DISPERSED IN (2) AND (3), (3) A LIQUID PLASTICIZER FOR POLYVINYL CHLORIDE, (3) A LIQUID POLYEPOXIDE CONTAINING A PLURALITY OF VICINAT EPOXY GROUPS, AND (4) A MELAMINE CURING AGENT, THERE BEING PRESENT IN SAID COMPOSITION: (A) FROM 60 TO 150 PARTS BY WEIGHT OF (2) AND (3) COMBINED FOR EACH 100 PARTS BY WEIGHT OF (I), (B) FROM 20 TO 70% BY WEIGHT OF (3) BASED ON THE TOTAL OF (2) AND (3), AND (C) FROM 30 TO 300% OF AN EQUIVALENT WEIGHT OF (4) BASED ON THE NUMBER OF VICINAL EPOXY EQUIVALENT WEIGHTS IN (3), SAID LIQUID POLYEPOXIDE BEING A COMPOUND OF THE FORMULA:
Claim 2
Dependent Claim
161 words
A VINYL CHLORIDE RESIN PLASTISOL COMPOSITION CAPABLE OF CURING TO A FLEXIBLE CONDITION WHEN HEATED AT TEMPERATURES IN THE ORDER OF 325 OF 410*F. AND OF ADHERING TENACIOUSLY TO UPRIMED SOLID SURFACES WHEN IN CONTACT THEREWITH AND HEATED TO SAID TEMPERATURES IN CONTACT THEREWITH, SAID COMPOSITION COMPRISING AS ESSENTIAL INGREDIENTS: (1) PARTICLES OF POLYVINYL CHLORIDE RESIN, DISPERSED IN (2) AND (3), (3) A LIQUID PLASTICIZER FOR POLYVINYL CHLORIDE, (3) A LIQUID POLYEPOXIDE CONTAINING A PLURALITY OF VICINAT EPOXY GROUPS, AND (4) A MELAMINE CURING AGENT, THERE BEING PRESENT IN SAID COMPOSITION: (A) FROM 60 TO 150 PARTS BY WEIGHT OF (2) AND (3) COMBINED FOR EACH 100 PARTS BY WEIGHT OF (I), (B) FROM 20 TO 70% BY WEIGHT OF (3) BASED ON THE TOTAL OF (2) AND (3), AND (C) FROM 30 TO 300% OF AN EQUIVALENT WEIGHT OF (4) BASED ON THE NUMBER OF VICINAL EPOXY EQUIVALENT WEIGHTS IN (3), SAID LIQUID POLYEPOXIDE BEING A COMPOUND OF THE FORMULA:
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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) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |