Patent US2991265A successfully refreshed from Google Patents.
US2991265A
Expired / Lapsed
US
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Polyethylene composition containing an nu-substituted oleamide
Assignee: Spencer Chemical Co
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Filing: 1958-06-18
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Granted: 1961-07-04
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Expires: 1978-06-18
Abstract
No abstract record available.
Inventors
- 👤 Clayton F Clark
- 👤 Robert W Hill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:07
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
38 words
A PLASTIC COMPOSITION COMPRISING POLYETHYLENE AND 0.01% TO 1.0% BY WEIGHT OF AN N-SUBSTITUTED OLEAMIDE SELECTED FROM THE GROUP CONSISTING OF N-(HYDROXY-SUBSTITUTED LOWER ALKYL) OLEAMIDE, N - (CARBOXY - SUBSTITUTED LOWER ALKYL) OLEAMIDE AND N-(SULFO-SUBSTITUTED LOWER ALKYL) OLEAMIDE.
Claim 2
Dependent Claim
38 words
A PLASTIC COMPOSITION COMPRISING POLYETHYLENE AND 0.01% TO 1.0% BY WEIGHT OF AN N-SUBSTITUTED OLEAMIDE SELECTED FROM THE GROUP CONSISTING OF N-(HYDROXY-SUBSTITUTED LOWER ALKYL) OLEAMIDE, N - (CARBOXY - SUBSTITUTED LOWER ALKYL) OLEAMIDE AND N-(SULFO-SUBSTITUTED LOWER ALKYL) OLEAMIDE.
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) | 1964-07-03 | 1965-01-02 | 1965-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-03 | 1969-01-02 | 1969-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-03 | 1973-01-02 | 1973-07-04 | $7700.00 | Window Closed / Lapsed |