US2604462A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vulcanization accelerator comprising a mixture of a heterocyclic mercaptan derivative and a thiocarbamyl aminomethyl sulfide
Assignee: Goodrich Corp
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Filing: 1950-06-26
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Granted: 1952-07-22
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Expires: 1970-06-26
Abstract
No abstract record available.
Inventors
- 👤 Roger A Mathes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:03
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/0008; C08K5/0025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
THE METHOD OF VULCANIZING A SULFUR-VULCANIZABLE POLYMERIC ORGANIC RUBBERY MATERIAL WHICH COMPRISES INCORPORATING INTO A MIXTURE CONTAINING SULFUR AND SAID RUBBERY MATERIAL FROM 0.1% TO 5% BY WEIGHT BASED ON THE RUBBERY MATERIAL OF A COMPOSITION COMPRISING (1) A WATER-INSOLUBLE METAL SALT OF A HETEROCYCLIC NITROGEN-CONTAINING MERCAPTAN WHOSE RING POSSESSES THE STRUCTURE
Claim 2
Independent Claim
52 words
THE METHOD OF VULCANIZING A SULFUR-VULCANIZABLE POLYMERIC ORGANIC RUBBERY MATERIAL WHICH COMPRISES INCORPORATING INTO A MIXTURE CONTAINING SULFUR AND SAID RUBBERY MATERIAL FROM 0.1% TO 5% BY WEIGHT BASED ON THE RUBBERY MATERIAL OF A COMPOSITION COMPRISING (1) A WATER-INSOLUBLE METAL SALT OF A HETEROCYCLIC NITROGEN-CONTAINING MERCAPTAN WHOSE RING POSSESSES THE STRUCTURE
References Cited (Backward Citations)
US2283337A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-22 | 1956-01-21 | 1956-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-22 | 1960-01-21 | 1960-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-22 | 1964-01-21 | 1964-07-22 | $7700.00 | Window Closed / Lapsed |