US2510893A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of organo-thiyl compounds
Assignee: Velsicol Corp
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Filing: 1946-12-20
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Granted: 1950-06-06
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Expires: 1966-12-20
Abstract
No abstract record available.
Inventors
- 👤 Kleiman Morton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:04
CPC Classifications
C; C07; C07B; C07B45/00; C07B45/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
THE METHOD OF SYNTHESIZING ORGANIC DISULFIDES WHICH COMPRISES SUBJECTING REACTANTS SELECTED FROM THE GROUP CONSISTING OF (A) A MIXTURE OF ORGANIC DISULFIEDS, (B) A MIXTURE OF AN ORGANIC DISULFIDE AND A MERCAPTAN, AND (C) AN UNSYMMETRICAL ORGANIC DISULFIDE-THE ORGANO-THIYL GROUPS OF SAID REACTANTS BEING IN COMBINATION DIFFERENT FROM THAT OF THE REACTION PRODUCTS-TO A REDISTRIBUTION OF THEIR ORGANO-THIYL GROUPS BY REACTING SAID REACTANTS IN THE PRESENCE OF A CATALYST CHOSEN FROM THE GROUP CONSISTING OF AN ALKALI-METAL MERCAPTIDE, AND SUBSTANCES CAPABLE OF PRODUCING ALKALI-METAL MERCAPTIDE IN SAID REACTION MIXTURE.
Claim 2
Independent Claim
89 words
THE METHOD OF SYNTHESIZING ORGANIC DISULFIDES WHICH COMPRISES SUBJECTING REACTANTS SELECTED FROM THE GROUP CONSISTING OF (A) A MIXTURE OF ORGANIC DISULFIEDS, (B) A MIXTURE OF AN ORGANIC DISULFIDE AND A MERCAPTAN, AND (C) AN UNSYMMETRICAL ORGANIC DISULFIDE-THE ORGANO-THIYL GROUPS OF SAID REACTANTS BEING IN COMBINATION DIFFERENT FROM THAT OF THE REACTION PRODUCTS-TO A REDISTRIBUTION OF THEIR ORGANO-THIYL GROUPS BY REACTING SAID REACTANTS IN THE PRESENCE OF A CATALYST CHOSEN FROM THE GROUP CONSISTING OF AN ALKALI-METAL MERCAPTIDE, AND SUBSTANCES CAPABLE OF PRODUCING ALKALI-METAL MERCAPTIDE IN SAID REACTION MIXTURE.
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) | 1953-06-05 | 1953-12-05 | 1954-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-05 | 1957-12-05 | 1958-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-05 | 1961-12-05 | 1962-06-06 | $7700.00 | Window Closed / Lapsed |