US3853825A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cyanoisothiazolyl bis(thiobenzothiazoles)
Assignee: Monsanto Co
•
Filing: 1973-04-16
•
Granted: 1974-12-10
•
Expires: 1993-04-16
Abstract
Abstract Cyanoisothiazolyl bis(2-thiobenzothiazoles) of the formula WHEREIN X IS ONE OR TWO WHICH ARE USEFUL FOR ACCELERATING THE VULCANIZATION OF RUBBER.
Inventors
- 👤 Amico J D
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:37
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/36; C08K5/45; C08K5/46; C08K5/47
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
17 words
A COMPOSITION COMPRISING SULFUR VULCANIZABLE DIENE RUBBER AND A VULCANIZING AMOUNT OF A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
17 words
A COMPOSITION COMPRISING SULFUR VULCANIZABLE DIENE RUBBER AND A VULCANIZING AMOUNT OF A COMPOUND OF THE FORMULA
Claim 3
Dependent Claim
20 words
A composition comprising sulfur vulcanizable diene rubber, sulfur vulcanizing agent and an accelerating amount of an accelerator of the formula
Claim 4
Dependent Claim
20 words
A composition comprising sulfur vulcanizable diene rubber, sulfur vulcanizing agent and an accelerating amount of an accelerator of the formula
Claim 5
Dependent Claim
10 words
A composition of claim 2 in which x is one.
Claim 6
Dependent Claim
10 words
A composition of claim 2 in which x is two.
References Cited (Backward Citations)
US1544687A
Cited
US2962481A
Cited
CH385158A
Cited
US3308103A
Cited
US3281380A
Cited
US3689467A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-12-09 | 1978-06-10 | 1978-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-12-09 | 1982-06-10 | 1982-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-12-09 | 1986-06-10 | 1986-12-10 | $7700.00 | Window Closed / Lapsed |