US2964497A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized poly-alpha-olefin compositions
Assignee: Eastman Kodak Co
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Filing: 1958-03-24
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Granted: 1960-12-13
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Expires: 1978-03-24
Abstract
No abstract record available.
Inventors
- 👤 Charles J Kibler
- 👤 Gordon C Newland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:00
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/13; C08K5/134
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A SOLID POLY-A-OLEFIN COMPOSITION COMPRISING A SOLID POLY-A-OLEFIN PREPARED FROM AN A-MONOOLEFINIC ALIPHATIC HYDROCARBON HAVING 2 TO 3 CARBON ATOMS CONTAINING 0.1% TO 10% BY WEIGHT BASED ON SAID POLYA-OLEFIN OF A B-RESORCYLIC ACID DERIVATIVE SELECTED FROM THE GROUP CONSISTING OF 4-ACETYL-B-RESORCYLIC ACID, 2-ACETYLB-RESORCYLIC ACID, DIACETYL-B-RESORCYLIC ACID, POLY-(B-RESORCYLIC ACID) AND POLY-(4-ACETYL-B-RESORCYLIC ACID), SAID POLY-(B-RESORCYLIC ACID) AND SAID POLY-(4-ACETYL-B-RESORCYLIC ACID) HAVING AN AVERAGE MOLECULAR WEIGHT OF ABOUT 250 TO 500.
Claim 2
Dependent Claim
69 words
A SOLID POLY-A-OLEFIN COMPOSITION COMPRISING A SOLID POLY-A-OLEFIN PREPARED FROM AN A-MONOOLEFINIC ALIPHATIC HYDROCARBON HAVING 2 TO 3 CARBON ATOMS CONTAINING 0.1% TO 10% BY WEIGHT BASED ON SAID POLYA-OLEFIN OF A B-RESORCYLIC ACID DERIVATIVE SELECTED FROM THE GROUP CONSISTING OF 4-ACETYL-B-RESORCYLIC ACID, 2-ACETYLB-RESORCYLIC ACID, DIACETYL-B-RESORCYLIC ACID, POLY-(B-RESORCYLIC ACID) AND POLY-(4-ACETYL-B-RESORCYLIC ACID), SAID POLY-(B-RESORCYLIC ACID) AND SAID POLY-(4-ACETYL-B-RESORCYLIC ACID) HAVING AN AVERAGE MOLECULAR WEIGHT OF ABOUT 250 TO 500.
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 |