Patent US3108981A successfully refreshed from Google Patents.
US3108981A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyethylene compositions
Assignee: Spencer Chemical Co
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Filing: 1960-08-30
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Granted: 1963-10-29
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Expires: 1980-08-30
Abstract
No abstract record available.
Inventors
- 👤 Clayton F Clark
- 👤 Robert W Hill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:53
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/20
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
35 words
A PLASTIC COMPOSITION COMPRISING POLYETHYLENE AND 0.01% TO 1.0% BY WEIGHT OF AN N-MONOALKYL OLEAMIDE, SAID ALKYL GROUP HAVING 12 TO 18 CARBONS AND SAID NMONOALKYL OLEAMIDE HAVING A MELTING POINT OF LESS THAN 69*C.
References Cited (Backward Citations)
FR1132791A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-28 | 1967-04-29 | 1967-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-28 | 1971-04-29 | 1971-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-28 | 1975-04-29 | 1975-10-29 | $7700.00 | Window Closed / Lapsed |