US3313772A
Expired / Lapsed
US
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Polyolefins stabilized with (a) a cycloalkyl substituted benzophenone, biphenol, or oxydiphenol and optionally (b) a dialkyl thiodialkanoate
Assignee: Dow Chemical Co
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Filing: 1965-09-09
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Granted: 1967-04-11
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Expires: 1985-09-09
Abstract
No abstract record available.
Inventors
- 👤 Rodney D Moss
- 👤 David A Gordon
- 👤 John M Corbett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:37
CPC Classifications
C; C07; C07C; C07C321/00; C07C323/00; C07C37/00; C07C37/11; C07C37/14; C07C37/20; C07C39/00; C07C39/12; C07C39/17; C07C41/00; C07C41/01; C07C41/18; C07C41/30; C07C45/00; C07C45/61; C07C45/67; C07C45/68; C07C45/69; C08; C08K; C08K5/00; C08K5/04; C08K5/13; C08K5/132; C08K5/36; C08K5/37; C08K5/375; C10; C10M; C10M129/00; C10M129/02; C10M129/16; C10M129/24; C10M135/00; C10M135/20; C10M135/28; C10M135/30; C07C2601/00; C07C2601/12; C07C2601/14; C07C2601/18; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/024; C10M2207/04; C10M2207/046; C10M2219/00; C10M2219/08; C10M2219/082; C10M2219/084; C10M2219/087; C10M2219/088; C10M2219/089
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
19 words
A THERMOPLASTIC POLYMERIZED ALPHA-OLEFIN COMPOSITION HAVING INCORPORATED THEREIN A SMALL BUT STABILIZING QUANTITY OF A COMPOUND HAVING THE STRUCTURE
Claim 2
Dependent Claim
19 words
A THERMOPLASTIC POLYMERIZED ALPHA-OLEFIN COMPOSITION HAVING INCORPORATED THEREIN A SMALL BUT STABILIZING QUANTITY OF A COMPOUND HAVING THE STRUCTURE
Claim 3
Dependent Claim
24 words
A COMPOSITION AS DESCRIBED IN CLAIM 1 WHEREIN THERE IS ADDITIONALLY INCORPORATED A STABILIZING QUANTITY OF A HIGHER ALKYL DIESTER OF A THIODIALKANOIC ACID.
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) | 1970-04-10 | 1970-10-10 | 1971-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-10 | 1974-10-10 | 1975-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-10 | 1978-10-10 | 1979-04-11 | $7700.00 | Window Closed / Lapsed |