US3732192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rubber formulations containing thiosulfonate esters
Assignee: Universal Oil Products Co
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Filing: 1971-05-24
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Granted: 1973-05-08
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Expires: 1991-05-24
Abstract
Abstract CONTROLLING PREVULCANIZATION OF A VULCANIZABLE DIENE RUBBER FORMULATION CONTAINING ANTIOZONANT AND VULCANIZATION ACCELERATOR BY INCORPORATING THEREIN A THIOLSULFONATE OF A PARTICULAR COMPOSITON HAVING THE FORMULA R-S-SO2-R'' WHERE R AND R'' ARE ARYL, ALKYL, CYCLOALKYL OR SUBSTITUTED DERIVATIVES THEREOF.
Inventors
- 👤 R Arnold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 02:20
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/36; C08K5/41; Y; Y10; Y10S; Y10S524/00; Y10S524/925
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-05-07 | 1976-11-06 | 1977-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-07 | 1980-11-06 | 1981-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-07 | 1984-11-06 | 1985-05-08 | $7700.00 | Window Closed / Lapsed |