Patent US3271358A successfully refreshed from Google Patents.
US3271358A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyolefins containing di (surstituted phenyl) oxalates or carbonates as stabilizers
Assignee: Monsanto Co
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Filing: 1963-06-19
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Granted: 1966-09-06
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Expires: 1983-06-19
Abstract
No abstract record available.
Inventors
- 👤 Coran Aubert Yaucher
- 👤 Anagnostopoulus Const Emmanuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:42
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/10; C08K5/11
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
A COMPOSITION COMPRISING A NORMALLY SOLID POLYMER OF A MONO-OLEFINIC ALIPHATIC HYDROCARBON MONOMER HAVING FROM 2 TO 4 CARBON ATOMS, AND A STABILIZING AMOUNT, AT LAST ABOUT 0.001% BY WEIGHT OF THE POLYMER, OF A COMPOUND OF THE FORMULA,
Claim 2
Dependent Claim
39 words
A COMPOSITION COMPRISING A NORMALLY SOLID POLYMER OF A MONO-OLEFINIC ALIPHATIC HYDROCARBON MONOMER HAVING FROM 2 TO 4 CARBON ATOMS, AND A STABILIZING AMOUNT, AT LAST ABOUT 0.001% BY WEIGHT OF THE POLYMER, OF A COMPOUND OF 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) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |