US2665268A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vulcanization of rubber
Assignee: Monsanto Chemicals Ltd
•
Filing: 1952-04-26
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Granted: 1954-01-05
•
Expires: 1972-04-26
Abstract
No abstract record available.
Inventors
- 👤 Butler John Mann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:27
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/0008; C08K5/0025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
A PROCESS OF CURING A SULFUR-VULCANIZABLE RUBBER WHICH COMPRISES HEATING THE RUBBER HAVING INCORPORATED THEREIN A MINOR AMOUNT OF A (TERT-ALKYLMERCAPTO)-ZINC N,N-DIALKYL DITHIOCARBAMATE ACCELERATOR HAVING THE FORMULA:
Claim 2
Dependent Claim
27 words
A PROCESS OF CURING A SULFUR-VULCANIZABLE RUBBER WHICH COMPRISES HEATING THE RUBBER HAVING INCORPORATED THEREIN A MINOR AMOUNT OF A (TERT-ALKYLMERCAPTO)-ZINC N,N-DIALKYL DITHIOCARBAMATE ACCELERATOR HAVING THE FORMULA:
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) | 1957-01-04 | 1957-07-06 | 1958-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-04 | 1961-07-06 | 1962-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-04 | 1965-07-06 | 1966-01-05 | $7700.00 | Window Closed / Lapsed |