US2837519A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Accelerator of vulcanization of rubber
Assignee: Goodyear Tire and Rubber Co
•
Filing: 1954-09-23
•
Granted: 1958-06-03
•
Expires: 1974-09-23
Abstract
No abstract record available.
Inventors
- 👤 Albert F Hardman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:04
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/0008; C08K5/0025
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
12 words
THE METHOD OF PREPARING 2-(4-MORPOLINYLDITHIO) BENZOTHIAZOLE WHICH COMPRISES REACTING N-OXYDIETHYLENEBENZOTHIAZOLE-SULFENAMIDE WITH SULFUR.
Claim 2
Independent Claim
12 words
THE METHOD OF PREPARING 2-(4-MORPOLINYLDITHIO) BENZOTHIAZOLE WHICH COMPRISES REACTING N-OXYDIETHYLENEBENZOTHIAZOLE-SULFENAMIDE WITH SULFUR.
Claim 3
Independent Claim
20 words
THE METHOD OF PREPARING AN AMIO OZOLE DISULFIDE WHICH COMPRISES REACTING SULFUR AND AN AMINO AZOLE SULFENAMIDE HAVING THE FORMULA:
Claim 4
Independent Claim
20 words
THE METHOD OF PREPARING AN AMIO OZOLE DISULFIDE WHICH COMPRISES REACTING SULFUR AND AN AMINO AZOLE SULFENAMIDE HAVING THE FORMULA:
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-02 | 1961-12-02 | 1962-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-02 | 1965-12-02 | 1966-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-02 | 1969-12-02 | 1970-06-03 | $7700.00 | Window Closed / Lapsed |