Patent US2503486A successfully refreshed from Google Patents.
US2503486A
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Method of desulfurization by treatment with elemental halogens
Assignee: Phillips Petroleum Co
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Filing: 1947-08-07
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Granted: 1950-04-11
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Expires: 1967-08-07
Abstract
No abstract record available.
Inventors
- 👤 Chester M Himel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:14
CPC Classifications
C; C10; C10G; C10G27/00; C10G27/02; C07; C07C; C07C9/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A PROCESS FOR THE DESULFURIZATION OF A NORMALLY LIQUID SATURATED HYDROCARBON CONTAINING ALKYL DISULFIDES WHICH COMPRISES CONTACTING SAID HYDROCARBON WITH ELEMENTAL HALOGEN SELECTED FROM THE GROUP CONSISTING OF CHLORINE, BROMINE AND IODINE, AT A TEMPERATURE IN THE RANGE OF 20 TO 250*F. AND BELOW THAT AT WHICH HALOGENATION OF THE HYDROCARBON IS EFFECTED THEREBY CONVERTING SAID DISULFIDES TO THE CORRESPONDING ALKYL SULFENYL HALIDES, AND SEPARATING SAID ALKYL SULFENYL HALIDES FROM SAID HYDROCARBONS.
Claim 2
Dependent Claim
72 words
A PROCESS FOR THE DESULFURIZATION OF A NORMALLY LIQUID SATURATED HYDROCARBON CONTAINING ALKYL DISULFIDES WHICH COMPRISES CONTACTING SAID HYDROCARBON WITH ELEMENTAL HALOGEN SELECTED FROM THE GROUP CONSISTING OF CHLORINE, BROMINE AND IODINE, AT A TEMPERATURE IN THE RANGE OF 20 TO 250*F. AND BELOW THAT AT WHICH HALOGENATION OF THE HYDROCARBON IS EFFECTED THEREBY CONVERTING SAID DISULFIDES TO THE CORRESPONDING ALKYL SULFENYL HALIDES, AND SEPARATING SAID ALKYL SULFENYL HALIDES FROM SAID HYDROCARBONS.
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) | 1953-04-10 | 1953-10-10 | 1954-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-10 | 1957-10-10 | 1958-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-10 | 1961-10-10 | 1962-04-11 | $7700.00 | Window Closed / Lapsed |