US3072603A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Poly-alpha-olefin compositions containing dialkyl-3, 3'-thiodipropionates and a nitrogen containing compound
Assignee: Eastman Kodak Co
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Filing: 1960-03-23
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Granted: 1963-01-08
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Expires: 1980-03-23
Abstract
No abstract record available.
Inventors
- 👤 Clarence E Tholstrup
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:09
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/20; C08K5/17; C08K5/18; C08K5/36; C08K5/37; C08K5/372
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
A SOLID POLY-A-OLEFIN COMPOSITION COMPRISING A SOLID POLY-A-OLEFIN PREPARED FROM AN A-MONOOLEFINIC ALIPHATIC HYDROCARBON HAVING 2 TO 10 CARBON ATOMS CONTAINING A STABILIZER COMBINATION COMPRISING AT LEAST ABOUT .001% BY WEIGHT BASED ON SAID POLY-A-OLEFIN OF A DIESTER OF 3,3''THIODIPROPINOIC ACID HAVING THE FORMULA
Claim 2
Dependent Claim
44 words
A SOLID POLY-A-OLEFIN COMPOSITION COMPRISING A SOLID POLY-A-OLEFIN PREPARED FROM AN A-MONOOLEFINIC ALIPHATIC HYDROCARBON HAVING 2 TO 10 CARBON ATOMS CONTAINING A STABILIZER COMBINATION COMPRISING AT LEAST ABOUT .001% BY WEIGHT BASED ON SAID POLY-A-OLEFIN OF A DIESTER OF 3,3''THIODIPROPINOIC ACID HAVING THE 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) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |