Patent FR2419077A1 successfully refreshed from Google Patents.
US2700659A
Expired / Lapsed
US
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Acceleration of vulcanization by means of nu-ethyl-2-thiazoline sulfenamide
Assignee: Bridgestone Firestone Inc
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Filing: 1953-12-07
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Granted: 1955-01-25
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Expires: 1973-12-07
Abstract
No abstract record available.
Inventors
- 👤 Edward L Carr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:59
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/0008; C08K5/0025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
21 words
THE PROCESS OF VULCANIZING RUBBER WHICH COMPRISES HEATING RUBBER AND SULFUR IN THE PRESENCE OF A SMALL QUANTITY OF N-ETHYL-2THIAZOLINE SULFENAMIDE.
Claim 2
Dependent Claim
21 words
THE PROCESS OF VULCANIZING RUBBER WHICH COMPRISES HEATING RUBBER AND SULFUR IN THE PRESENCE OF A SMALL QUANTITY OF N-ETHYL-2THIAZOLINE SULFENAMIDE.
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) | 1958-01-24 | 1958-07-26 | 1959-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-24 | 1962-07-26 | 1963-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-24 | 1966-07-26 | 1967-01-25 | $7700.00 | Window Closed / Lapsed |