US3357946A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymeric olefin compositions stabilized with a thiodialkanoic acid ester and a trihydroxyaryl hydrocarbon
Assignee: Imperial Chemical Industries Ltd
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Filing: 1965-06-28
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Granted: 1967-12-12
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Expires: 1985-06-28
Abstract
No abstract record available.
Inventors
- 👤 Burgess Robin Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 00:38
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/36; C08K5/37; C08K5/372; C08K5/3725; C08K5/04; C08K5/13
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
58 words
A POLYMERIC COMPOSITION COMPRISING A SOLID POLYMER OF AN ALIPHATIC MONO-ALPHA OLEFIN AND A STABILIZER COMPOSITION COMPRISING AS THE SOLE ESSENTIAL ANTI-OXIDANTS, (1) A THIO COMPOUND SELECTED FROM THE GROUP CONSISTING OF DIESTERS OF A MONOHYDRIC ALIPHATIC ALCOHOL HAVING FROM 10 TO 20 CARBON ATOMS AND OF A THIODIALKANOIC ACID AND (2) A PHENOLIC COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
58 words
A POLYMERIC COMPOSITION COMPRISING A SOLID POLYMER OF AN ALIPHATIC MONO-ALPHA OLEFIN AND A STABILIZER COMPOSITION COMPRISING AS THE SOLE ESSENTIAL ANTI-OXIDANTS, (1) A THIO COMPOUND SELECTED FROM THE GROUP CONSISTING OF DIESTERS OF A MONOHYDRIC ALIPHATIC ALCOHOL HAVING FROM 10 TO 20 CARBON ATOMS AND OF A THIODIALKANOIC ACID AND (2) A PHENOLIC COMPOUND HAVING THE FORMULA
Claim 3
Dependent Claim
17 words
A POLYMERIC COMPOSITION AS SET FORTH IN CLAIM 1 IN WHICH SAID PHENOLIC COMPOUND HAS THE FORMULA
Claim 4
Dependent Claim
17 words
A POLYMERIC COMPOSITION AS SET FORTH IN CLAUM 1 IN WHICH SAID PHENOLIC COMPOUND HAS THE FORMULA
Claim 5
Dependent Claim
17 words
A POLYMERIC COMPOSITION AS SET FORTH IN CLAUM 1 IN WHICH SAID PHENOLIC COMPOUND HAS THE FORMULA
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) | 1970-12-11 | 1971-06-12 | 1971-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-11 | 1975-06-12 | 1975-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-11 | 1979-06-12 | 1979-12-12 | $7700.00 | Window Closed / Lapsed |