US2980647A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyethylene stabilized with 3-hydroxyl 4-(phenylcarbonyl) phenyl esters
Assignee: Eastman Kodak Co
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Filing: 1957-12-16
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Granted: 1961-04-18
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Expires: 1977-12-16
Abstract
No abstract record available.
Inventors
- 👤 Gerald R Lappin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:01
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/13; C08K5/132
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
24 words
A SOLID POLY-A-OLEFIN COMPOSITION COMPRISING SOLID POLYETHYLENE AND ABOUT 0.01% TO 10% BY WEIGHT BASED ON SAID POLYETHYLENE OF A COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
24 words
A SOLID POLY-A-OLEFIN COMPOSITION COMPRISING SOLID POLYETHYLENE AND ABOUT 0.01% TO 10% BY WEIGHT BASED ON SAID POLYETHYLENE OF A COMPOUND HAVING THE FORMULA
References Cited (Backward Citations)
US2345006A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-17 | 1964-10-17 | 1965-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-17 | 1968-10-17 | 1969-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-17 | 1972-10-17 | 1973-04-18 | $7700.00 | Window Closed / Lapsed |