US3384613A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Retardation of scorch in rubber compounds containing dicumyl peroxide as the vulcanizing agent
Assignee: Goodyear Tire and Rubber Co
•
Filing: 1964-08-20
•
Granted: 1968-05-21
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Expires: 1984-08-20
Abstract
No abstract record available.
Inventors
- 👤 Carl R Parks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:24
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
IN A CURABLE RUBBER COMPOSITION COMPRISING (A) A PEROXIDE-CURABLE RUBBER, SAID RUBBER BEING AN ELASTOMERIC HIGH POLYMER COMPRISING CONJUGATED DIENE MONOMERS LINKED THOURGH CARBON-CARBON BONDS, AND (B) A DITERTIARY ORGANIC PEROXIDE CURING AGENT IN AN AMOUNT WITHIN THE RANGE OF FROM ABOUT 0.5 TO 5.0 PARTS BY WEIGHT PER 100 PARTS BY WEIGHT OF RUBBER, SAID AMOUNT BEING SUFFICIENT TO CURE SAID RUBBER, THE IMPROVEMENT COMPRISING (C) A MODIFIER SELECTED FROM RING-SUBSTITUTED NITRO-ARYL COMPOUNDS, RING-SUBTITUTED NITROSO-ARYL COMPOUNDS, AND N-NITROSO DIARYLAMINE COMPOUNDS, IN AN AMOUNT WITHIN THE RANGE OF ABOUT 0.1 TO ABOUT 5 PARTS BY WEIGHT PER 100 PARTS BY WEIGHT OF RUBBER, SAID AMOUNT BEING SUFFICIENT TO RETARD SCORCHING OF SAID RUBBER.
Claim 2
Dependent Claim
113 words
IN A CURABLE RUBBER COMPOSITION COMPRISING (A) A PEROXIDE-CURABLE RUBBER, SAID RUBBER BEING AN ELASTOMERIC HIGH POLYMER COMPRISING CONJUGATED DIENE MONOMERS LINKED THOURGH CARBON-CARBON BONDS, AND (B) A DITERTIARY ORGANIC PEROXIDE CURING AGENT IN AN AMOUNT WITHIN THE RANGE OF FROM ABOUT 0.5 TO 5.0 PARTS BY WEIGHT PER 100 PARTS BY WEIGHT OF RUBBER, SAID AMOUNT BEING SUFFICIENT TO CURE SAID RUBBER, THE IMPROVEMENT COMPRISING (C) A MODIFIER SELECTED FROM RING-SUBSTITUTED NITRO-ARYL COMPOUNDS, RING-SUBTITUTED NITROSO-ARYL COMPOUNDS, AND N-NITROSO DIARYLAMINE COMPOUNDS, IN AN AMOUNT WITHIN THE RANGE OF ABOUT 0.1 TO ABOUT 5 PARTS BY WEIGHT PER 100 PARTS BY WEIGHT OF RUBBER, SAID AMOUNT BEING SUFFICIENT TO RETARD SCORCHING OF SAID RUBBER.
References Cited (Backward Citations)
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Cited
US1869657A
Cited
US2035698A
Cited
US2897177A
Cited
US2931785A
Cited
US2943075A
Cited
US3039989A
Cited
US3265672A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-21 | 1971-11-20 | 1972-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-21 | 1975-11-20 | 1976-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-21 | 1979-11-20 | 1980-05-21 | $7700.00 | Window Closed / Lapsed |