US2586769A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkylthiosulfenyl dithiocarbamates as vulcanization accelerators
Assignee: Phillips Petroleum Co
•
Filing: 1949-06-20
•
Granted: 1952-02-26
•
Expires: 1969-06-20
Abstract
No abstract record available.
Inventors
- 👤 Chester M Himel
- 👤 Lee O Edmonds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:16
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/0008; C08K5/0025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
AN IMPROVED PROCESS FOR VULCANIZING A SULFUR-VULCANIZABLE ORGANIC PLASTIC SUBSTANCE CONTAINING UNSATURATED CARBON TO CARBON BONDS, WITH SULFUR, WHICH COMPRISES ADMIXING WITH SUCH A SUBSTANCE TO BE VULCANIZED, AS A VULCANIZATION ACCELERATOR AND IN AN AMOUNT BETWEEN 0.05 AND 5 PARTS BY WEIGHT, PER 100 PARTS BY WEIGHT OF SAID SUBSTANCE, A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
56 words
AN IMPROVED PROCESS FOR VULCANIZING A SULFUR-VULCANIZABLE ORGANIC PLASTIC SUBSTANCE CONTAINING UNSATURATED CARBON TO CARBON BONDS, WITH SULFUR, WHICH COMPRISES ADMIXING WITH SUCH A SUBSTANCE TO BE VULCANIZED, AS A VULCANIZATION ACCELERATOR AND IN AN AMOUNT BETWEEN 0.05 AND 5 PARTS BY WEIGHT, PER 100 PARTS BY WEIGHT OF SAID SUBSTANCE, A COMPOUND OF 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) | 1955-02-25 | 1955-08-27 | 1956-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-25 | 1959-08-27 | 1960-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-25 | 1963-08-27 | 1964-02-26 | $7700.00 | Window Closed / Lapsed |