US2964494A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Poly-alpha-olefin composition containing nu-methyl-4'-hydroxybenzanilide
Assignee: Eastman Kodak Co
•
Filing: 1958-05-08
•
Granted: 1960-12-13
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Expires: 1978-05-08
Abstract
No abstract record available.
Inventors
- 👤 Gerald R Lappin
- 👤 Wayne V Mcconnell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 00:13
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
A NORMALLY SOLID POLY-A-OLEFIN COMPOSITION SELECTED FROM THE GROUP CONSISTING OF POLYETHYLENE AND POLYPROPYLENE CONTAINING DISPERSED THEREIN 0.1 TO 10% BY WEIGHT OF N-METHYL-4''-HYDROXYBENZANILIDE AS AN AGENT TO INHIBIT DETERIORATION OF SAID POLY-A-OLEFIN COMPOSITION BY ULTRAVIOLATE LIGHT.
Claim 2
Dependent Claim
37 words
A NORMALLY SOLID POLY-A-OLEFIN COMPOSITION SELECTED FROM THE GROUP CONSISTING OF POLYETHYLENE AND POLYPROPYLENE CONTAINING DISPERSED THEREIN 0.1 TO 10% BY WEIGHT OF N-METHYL-4''-HYDROXYBENZANILIDE AS AN AGENT TO INHIBIT DETERIORATION OF SAID POLY-A-OLEFIN COMPOSITION BY ULTRAVIOLATE LIGHT.
References Cited (Backward Citations)
US2654722A
Cited
US2879823A
Cited
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 |