Patent US3111502A successfully refreshed from Google Patents.
US3111502A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized olefin polymer compositions
Assignee: Monsanto Chemicals Ltd
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Filing: 1957-12-30
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Granted: 1963-11-19
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Expires: 1977-12-30
Abstract
No abstract record available.
Inventors
- 👤 Aubert Y Coran
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:02
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/36; C08K5/45; C08K5/46; C08K5/47
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
199 words
A COMPOSITION OF MATTER COMPRISING A NORMALLY SOLID POLYMER SELECTED FROM THE GROUP CONSISTING OF NORMALLY SOLID POLYMERS OF STRAIGHT CHAIN MONO-OLEFINIC HYDROCARBON MONOMERS HAVING FROM TWO TO FOUR CARBON ATOMS AND NORMALLY SOLID COPOLYMERS OF STRAIGHT CHAIN MONO-OLEFINIC HYDROCARBON MONOMERS HAVING FROM TWO TO FOUR CARBON ATOMS WITH A MINOR PROPORTION NOT TO EXCEED 15% BY WEIGHT OF THE OLEFIN OF A MONO-ETHYLENICALLY UNSATURATED COMONOMER AND A STABILIZING AMOUNT OF A 2BENZOTHIAZOLESULFENAMIDE SELECTED FROM THE GROUP CONSISTING OF (1) 2-BENZOTHIAZOLESULFENAMIDES IN WHICH ONE AMIDE NITROGEN VALENCE IS SATISFIED BY A RADICAL SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND LOWER ALKYL RADICALS, AND THE OTHER NITROGEN VALENCE IS SATISFIED BY A RADICAL SELECTED FROM THE GROUP CONSISTING OF CYCLOHEXYL, LOWER ALKYL SUBSTITUTED CYCLOHEXYL, BENZYL, LOWER ALKYL SUBSTITUTED BENZYL, AND BRANCH CHAIN ALKY RADICALS HAVING UP TO EIGHT CARBON ATOMS; (2) 2-BENZOTHIAZOLESULFENAMIDES IN WHICH DIVALENT RADICALS FORM WITH THE AMIDE NITROGEN A SIX-MEMBERED HETEROCYCLIC RING SELECTED FROM THE GROUP CONSISTING OF PIPERIDYL, PYRIDYL AND MORPHOLINYL, AND (3) 2-BENZOTHIAZOLESULFENAMIDES IN WHICH DIVALENT RADICALS FORM A SIX-MEMBERED HETEROCYCLIC RING DIVALENT RADICALS GROUP CONSISTING OF PIPERIDYL, PYRIDYL AND MORPHOLINYL, WHICH HETEROCYCLIC RING IS FURTHER SUBSTITUTED BY AT LEAST ONE LOWER ALKYL RADICAL.
Claim 2
Dependent Claim
199 words
A COMPOSITION OF MATTER COMPRISING A NORMALLY SOLID POLYMER SELECTED FROM THE GROUP CONSISTING OF NORMALLY SOLID POLYMERS OF STRAIGHT CHAIN MONO-OLEFINIC HYDROCARBON MONOMERS HAVING FROM TWO TO FOUR CARBON ATOMS AND NORMALLY SOLID COPOLYMERS OF STRAIGHT CHAIN MONO-OLEFINIC HYDROCARBON MONOMERS HAVING FROM TWO TO FOUR CARBON ATOMS WITH A MINOR PROPORTION NOT TO EXCEED 15% BY WEIGHT OF THE OLEFIN OF A MONO-ETHYLENICALLY UNSATURATED COMONOMER AND A STABILIZING AMOUNT OF A 2BENZOTHIAZOLESULFENAMIDE SELECTED FROM THE GROUP CONSISTING OF (1) 2-BENZOTHIAZOLESULFENAMIDES IN WHICH ONE AMIDE NITROGEN VALENCE IS SATISFIED BY A RADICAL SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND LOWER ALKYL RADICALS, AND THE OTHER NITROGEN VALENCE IS SATISFIED BY A RADICAL SELECTED FROM THE GROUP CONSISTING OF CYCLOHEXYL, LOWER ALKYL SUBSTITUTED CYCLOHEXYL, BENZYL, LOWER ALKYL SUBSTITUTED BENZYL, AND BRANCH CHAIN ALKY RADICALS HAVING UP TO EIGHT CARBON ATOMS; (2) 2-BENZOTHIAZOLESULFENAMIDES IN WHICH DIVALENT RADICALS FORM WITH THE AMIDE NITROGEN A SIX-MEMBERED HETEROCYCLIC RING SELECTED FROM THE GROUP CONSISTING OF PIPERIDYL, PYRIDYL AND MORPHOLINYL, AND (3) 2-BENZOTHIAZOLESULFENAMIDES IN WHICH DIVALENT RADICALS FORM A SIX-MEMBERED HETEROCYCLIC RING DIVALENT RADICALS GROUP CONSISTING OF PIPERIDYL, PYRIDYL AND MORPHOLINYL, WHICH HETEROCYCLIC RING IS FURTHER SUBSTITUTED BY AT LEAST ONE LOWER ALKYL RADICAL.
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) | 1966-11-18 | 1967-05-20 | 1967-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-18 | 1971-05-20 | 1971-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-18 | 1975-05-20 | 1975-11-19 | $7700.00 | Window Closed / Lapsed |