US2598014A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conversion of hydrocarbon disulfides to sulfonyl chlorides
Assignee: Standard Oil Co
•
Filing: 1950-07-26
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Granted: 1952-05-27
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Expires: 1970-07-26
Abstract
No abstract record available.
Inventors
- 👤 Wayne A Proell
- 👤 Wilbur B Chilcote
- 👤 Bernard H Shoemaker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:58
CPC Classifications
C; C07; C07C; C07C303/00; C07C303/02; C07C303/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
A PROCESS FOR THE PREPARATION OF A HYDROCARBON SULFONYL CHLORIDE, WHICH PROCESS COMPRISES SIMULTANEOUSLY CONTACTING A NON-TERTIARY HYDROCARBON DISULFIDE, CHLORINE AND OXYGEN UNDER SUBSTANTIALLY ANHYDROUS CONDITIONS IN THE PRESENCE OF A CATALYTIC PROPORTION OF NO2 AT A REACTION TEMPERATURE BETWEEN ABOUT -20* F. AND ABOUT 50* C. UNDER PRESSURE SUFFICIENT TO MAINTAIN A LIQUID PHASE OF SAID HYDROCARBON DISULFIDE.
Claim 2
Dependent Claim
59 words
A PROCESS FOR THE PREPARATION OF A HYDROCARBON SULFONYL CHLORIDE, WHICH PROCESS COMPRISES SIMULTANEOUSLY CONTACTING A NON-TERTIARY HYDROCARBON DISULFIDE, CHLORINE AND OXYGEN UNDER SUBSTANTIALLY ANHYDROUS CONDITIONS IN THE PRESENCE OF A CATALYTIC PROPORTION OF NO2 AT A REACTION TEMPERATURE BETWEEN ABOUT -20* F. AND ABOUT 50* C. UNDER PRESSURE SUFFICIENT TO MAINTAIN A LIQUID PHASE OF SAID HYDROCARBON DISULFIDE.
References Cited (Backward Citations)
US2465952A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-27 | 1955-11-26 | 1956-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-27 | 1959-11-26 | 1960-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-27 | 1963-11-26 | 1964-05-27 | $7700.00 | Window Closed / Lapsed |