US2853516A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of reacting a halogen with an alkyl mercaptan and a dialkyl disulfide
Assignee: Phillips Petroleum Co
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Filing: 1955-04-18
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Granted: 1958-09-23
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Expires: 1975-04-18
Abstract
No abstract record available.
Inventors
- 👤 Rector P Louthan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:14
CPC Classifications
C; C07; C07C; C07C313/00; C07C313/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
IN THE METHOD OF REACTING A COMPOUND SELECTED FROM THE GROUP CONSISTING OF AN ALKYL MERCAPTAN AND A DIALKYL DISULFIDE WITH A HALOGEN TO FORM A HALIDE SELECTED FROM THE GROUP CONSISTING OF AN ALKYL SULFENYL HALIDE AND A TERTIARY THIOSULFENYL HALIDE, THE IMPROVEMENT COMPRISING INTRODUCING SEPARATE STREAMS OF SAID ALKYL COMPOUND AND SAID HALOGEN INTO INTIMATE TURBULENT CONTACT IN A REACTION TUBE OF RESTRICTED DIAMETER FOR A CONTACT TIME LESS THAN 10 SECONDS UNDER REACTION CONDITIONS FOR FORMING SAID HALIDE PRODUCT, AND THEN IMMEDIATELY WITHDRAWING ALL OF SAID REACTION MIXTURE FROM SAID ZONE OF TURBULENCE, AND THEREBY FORMING HALIDE PRODUCT IN HIGH YIELD.
Claim 2
Dependent Claim
104 words
IN THE METHOD OF REACTING A COMPOUND SELECTED FROM THE GROUP CONSISTING OF AN ALKYL MERCAPTAN AND A DIALKYL DISULFIDE WITH A HALOGEN TO FORM A HALIDE SELECTED FROM THE GROUP CONSISTING OF AN ALKYL SULFENYL HALIDE AND A TERTIARY THIOSULFENYL HALIDE, THE IMPROVEMENT COMPRISING INTRODUCING SEPARATE STREAMS OF SAID ALKYL COMPOUND AND SAID HALOGEN INTO INTIMATE TURBULENT CONTACT IN A REACTION TUBE OF RESTRICTED DIAMETER FOR A CONTACT TIME LESS THAN 10 SECONDS UNDER REACTION CONDITIONS FOR FORMING SAID HALIDE PRODUCT, AND THEN IMMEDIATELY WITHDRAWING ALL OF SAID REACTION MIXTURE FROM SAID ZONE OF TURBULENCE, AND THEREBY FORMING HALIDE PRODUCT IN HIGH YIELD.
References Cited (Backward Citations)
US2031938A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-22 | 1962-03-24 | 1962-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-22 | 1966-03-24 | 1966-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-22 | 1970-03-24 | 1970-09-23 | $7700.00 | Window Closed / Lapsed |