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Patent US2747005A successfully refreshed from Google Patents.
US2747005A
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Vulcanization of rubber and compositions employed therefor
Assignee: Monsanto Chemicals Ltd
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Filing: 1951-11-14
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Granted: 1956-05-22
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Expires: 1971-11-14
Abstract
No abstract record available.
Inventors
- 👤 Richard O Zerbe
- 👤 Monte C Throdahl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:55
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/0008; C08K5/0025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
THE COMPOSITION CONSISTING ESSENTIALLY OF A HOMOGENEOUS COMPOSITE FUSED MIXTURE OF SUBSTANTIALLY EQUIMOLECULAR PROPORTIONS OF A 2,2''-DITHIOBIS(ARYLENETHIAZOLE) AND AN N,N''-DITHIO SECONDARY AMINE, THE SECONDARY AMINE RADICALS BEING SELECTED FROM THE GROUP CONSISTING OF HETEROCYCLIC AMINO RADICALS AND ALIPHATIC AMINO RADICALS IN WHICH THE SUBSTITUENTS ARE SELECTED FROM ALKYL GROUPS, SUBSTITUITED ALKYL GROUPS, ALICYCLIC GROUPS, ARALKYL GROUPS AND MIXTURES THEREOF.
Claim 2
Dependent Claim
28 words
THE PROCESS OF VULCANIZING A SULFUR-VULCANIZABLE RUBBER CONTAINING A REINFORCING FURNACE BLACK WHICH COMPRISES HEATING THE RUBBER AND BLACK IN THE PRESENCE OF THE COMPOSITION OF CLAIM 4.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-22 | 1959-11-21 | 1960-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-22 | 1963-11-21 | 1964-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-22 | 1967-11-21 | 1968-05-22 | $7700.00 | Window Closed / Lapsed |