US2909499A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vinyl chloride compositions containing alkyl-1, 5-pentanediol polyesters
Assignee: Union Carbide Corp
•
Filing: 1957-03-27
•
Granted: 1959-10-20
•
Expires: 1977-03-27
Abstract
No abstract record available.
Inventors
- 👤 Raymond I Hoaglin
- 👤 William J Reid
- 👤 Robert G Kelso
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:11
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/02; C08G63/12; C08G63/16; C08L; C08L27/00; C08L27/02; C08L27/04; C08L27/06; C08L67/00; C08L67/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
A PLASTIC COMPOSITION COMPRISING A VINYL RESIN CONTAINING AT LEAST 85 PERCENT BY WEIGHT OF POLYMERIZED VINYL CHLORIDE AND SELECTED FROM THE GROUP CONSISTING OF POLYVINYL CHLORIDE AND COPOLYMERS OF VINYL CHLORIDE AND VINYL ACETATE AND FROM ABOUT 0.11 TO ABOUT 2.3 PARTS, PER PART OF VINYL RESIN, OF A POLYESTER HAVING THE FOLLOWING STRUCTURAL FORMULA:
Claim 2
Dependent Claim
56 words
A PLASTIC COMPOSITION COMPRISING A VINYL RESIN CONTAINING AT LEAST 85 PERCENT BY WEIGHT OF POLYMERIZED VINYL CHLORIDE AND SELECTED FROM THE GROUP CONSISTING OF POLYVINYL CHLORIDE AND COPOLYMERS OF VINYL CHLORIDE AND VINYL ACETATE AND FROM ABOUT 0.11 TO ABOUT 2.3 PARTS, PER PART OF VINYL RESIN, OF A POLYESTER HAVING THE FOLLOWING STRUCTURAL FORMULA:
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) | 1962-10-19 | 1963-04-20 | 1963-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-19 | 1967-04-20 | 1967-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-19 | 1971-04-20 | 1971-10-20 | $7700.00 | Window Closed / Lapsed |