US3277180A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the manufacture of organic disulphides
Assignee: Societe Nationale des Petroles dAquitaine SA
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Filing: 1964-01-15
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Granted: 1966-10-04
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Expires: 1984-01-15
Abstract
No abstract record available.
Inventors
- 👤 Bapseres Pierre
- 👤 Biensan Michel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:12
CPC Classifications
C; C07; C07C; C07C319/00; C07C319/22; C07C319/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
PROCESS FOR THE MANUFACTURE OF HYDROCARBON RADICAL DISULPHINE, WHICH CONSIST IN: CONTACTING SULPHUR WITH A MERCAPTAN WITHIN AN AQUEOUS SOLUTION OF AN AMINE, THE AMINE BEING AT LEAST IN AN AMOUNT STOICHIOMETRICALLY EQUAL TO THE QUANTITY OF HYDROGEN SULPHIDE WHICH IS SUFFICIENT TO COMBINE WITH THE TOTAL HYDROGEN SULPHIDE FORMED BY THE REACTION BETWEEN SAID SULPHUR AND SAID MERCAPTAN; AND
Claim 2
Dependent Claim
60 words
PROCESS FOR THE MANUFACTURE OF HYDROCARBON RADICAL DISULPHINE, WHICH CONSIST IN: CONTACTING SULPHUR WITH A MERCAPTAN WITHIN AN AQUEOUS SOLUTION OF AN AMINE, THE AMINE BEING AT LEAST IN AN AMOUNT STOICHIOMETRICALLY EQUAL TO THE QUANTITY OF HYDROGEN SULPHIDE WHICH IS SUFFICIENT TO COMBINE WITH THE TOTAL HYDROGEN SULPHIDE FORMED BY THE REACTION BETWEEN SAID SULPHUR AND SAID MERCAPTAN; AND
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) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |