US2580460A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilization of vinyl halide polymers
Assignee: Baker Castor Oil Co
•
Filing: 1950-05-24
•
Granted: 1952-01-01
•
Expires: 1970-05-24
Abstract
No abstract record available.
Inventors
- 👤 Temple C Patton
- 👤 Louis J Jubanowsky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:32
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/10; C08K5/101; C08L; C08L27/00; C08L27/02; C08L27/04; C08L9/00; C08L9/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
A VINYL RESIN COMPOSITION WHICH IS STABLE TO HEAT AND LIGHT, COMPRISING (A) FROM ABOUT 50 TO ABOUT 75% BY WEIGHT OF A POLYMERIZATION PRODUCT COMPRISING A POLYMER OF A VINYL HALIDE, AND, AS A PLASTICIZER THEREFOR; (B) FROM ABOUT 20% TO ABOUT 42.5% BY WEIGHT OF AN ESTER OF 12-HYDROXYSTEARIC ACID HAVING THE FOLLOWING FORMULA:
Claim 2
Dependent Claim
56 words
A VINYL RESIN COMPOSITION WHICH IS STABLE TO HEAT AND LIGHT, COMPRISING (A) FROM ABOUT 50 TO ABOUT 75% BY WEIGHT OF A POLYMERIZATION PRODUCT COMPRISING A POLYMER OF A VINYL HALIDE, AND, AS A PLASTICIZER THEREFOR; (B) FROM ABOUT 20% TO ABOUT 42.5% BY WEIGHT OF AN ESTER OF 12-HYDROXYSTEARIC ACID HAVING THE FOLLOWING FORMULA:
References Cited (Backward Citations)
US2500918A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-31 | 1955-07-02 | 1956-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-31 | 1959-07-02 | 1960-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-31 | 1963-07-02 | 1964-01-01 | $7700.00 | Window Closed / Lapsed |