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US3111502A Expired / Lapsed US ⏱️ 0.0 years remaining

Stabilized olefin polymer compositions

Assignee: Monsanto Chemicals Ltd
•
Filing: 1957-12-30
•
Granted: 1963-11-19
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Expires: 1977-12-30
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Abstract

No abstract record available.

Inventors

  • 👤 Aubert Y Coran

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 04:00
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)

US2191657A Cited
US2448799A Cited
US2582510A Cited
US2619481A Cited

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

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