Patent US2964495A successfully refreshed from Google Patents.
US2964495A
Expired / Lapsed
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Light-stable poly-alpha-olefin compositions
Assignee: Eastman Kodak Co
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Filing: 1959-05-20
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Granted: 1960-12-13
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Expires: 1979-05-20
Abstract
No abstract record available.
Inventors
- 👤 Gordon C Newland
- 👤 John W Tamblyn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:15
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/18; C08K3/20; C08K3/22; C08K5/00; C08K5/04; C08K5/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
A SOLID POLY-A-OLEFIN COMPOSITION COMPRISING A POLY-A-OLEFIN PREPARED FROM AN A-MONOOLEFINIC ALIPHATIC HYDROCARBON HAVING 2 TO 3 CARBON ATOMS CONTAINING AT LEAST .001% BY WEIGHT BASED ON SAID POLY-A-OLEFIN OF A STABILIZER COMBINATION COMPRISING 2,2''-METHYLENEBIS(6TERTIARY-BUTYL-P-CRESOL) AND POWDER FERRIC OXIDE.
Claim 2
Dependent Claim
39 words
A SOLID POLY-A-OLEFIN COMPOSITION COMPRISING A POLY-A-OLEFIN PREPARED FROM AN A-MONOOLEFINIC ALIPHATIC HYDROCARBON HAVING 2 TO 3 CARBON ATOMS CONTAINING AT LEAST .001% BY WEIGHT BASED ON SAID POLY-A-OLEFIN OF A STABILIZER COMBINATION COMPRISING 2,2''-METHYLENEBIS(6TERTIARY-BUTYL-P-CRESOL) AND POWDER FERRIC OXIDE.
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) | 1963-12-13 | 1964-06-13 | 1964-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-13 | 1968-06-13 | 1968-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-13 | 1972-06-13 | 1972-12-13 | $7700.00 | Window Closed / Lapsed |