US3078258A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sulfur vulcanization of rubbers with a 2-(3, 5-dimethyl-4-morpholinylmercapto)-benzothiazole accelerator
Assignee: Monsanto Chemicals Ltd
•
Filing: 1958-09-08
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Granted: 1963-02-19
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Expires: 1978-09-08
Abstract
No abstract record available.
Inventors
- 👤 Marion W Harman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:29
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/0008; C08K5/0025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
A METHOD OF VULCANIZING A SULFUR VULCANIZABLE DIENE HYDROCARBON RUBBER WHICH COMPRISES MIXING THE RUBBER WITH A SULFUR CONTAINING VULCANIZING AGENT, ACCELERATING AMOUNT OF A COMPOUND SELECTED FROM THE GROUP CONSISING OF 2-(3,5-DIMETHYL-4-MORPHOLINYLMERCAPTO)-BENZOTHIAZOLE, 2-(3,5-DIMETHYL-4-MORPHOLINYLMERCAPTO) CHLOROSUBSTITUTED BENZOTHIAZOLE, 2-(3,5-DIMETHYL-4-MORPHOLINYLMERCAPTO) LOWER ALKYL SUBSTITUTED BENZOTHIAZOLE AND 2(3,5-DIMETHYL-4-MORPHOLINYLMERCAPTO)-PHENYL SUBSTITUTED BENZOTHIAZOLE, AND HEATING THE MIXTURE AT VULCANIZING TEMPERTURE.
Claim 2
Independent Claim
52 words
A METHOD OF VULCANIZING A SULFUR VULCANIZABLE DIENE HYDROCARBON RUBBER WHICH COMPRISES MIXING THE RUBBER WITH A SULFUR CONTAINING VULCANIZING AGENT, ACCELERATING AMOUNT OF A COMPOUND SELECTED FROM THE GROUP CONSISING OF 2-(3,5-DIMETHYL-4-MORPHOLINYLMERCAPTO)-BENZOTHIAZOLE, 2-(3,5-DIMETHYL-4-MORPHOLINYLMERCAPTO) CHLOROSUBSTITUTED BENZOTHIAZOLE, 2-(3,5-DIMETHYL-4-MORPHOLINYLMERCAPTO) LOWER ALKYL SUBSTITUTED BENZOTHIAZOLE AND 2(3,5-DIMETHYL-4-MORPHOLINYLMERCAPTO)-PHENYL SUBSTITUTED BENZOTHIAZOLE, AND HEATING THE MIXTURE AT VULCANIZING TEMPERTURE.
References Cited (Backward Citations)
US2437170A
Cited
US2582857A
Cited
US2651625A
Cited
US2816881A
Cited
US2871239A
Cited
US2849425A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-18 | 1966-08-20 | 1967-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-18 | 1970-08-20 | 1971-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-18 | 1974-08-20 | 1975-02-19 | $7700.00 | Window Closed / Lapsed |