US2531767A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the desulfurization of hydrocarbons
Assignee: Universal Oil Products Co
•
Filing: 1946-07-12
•
Granted: 1950-11-28
•
Expires: 1966-07-12
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Chenicek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:54
CPC Classifications
C; C10; C10G; C10G49/00; C10G49/007
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A COMBINATION PROCESS FOR THE DESULFURIZATION OF HYDROCARBONS WHICH COMPRISES SUBJECTING A HYDROCARBON DISTILLATE CONTAINING SULFUR COMPOUNDS TO DESURFURIZATION IN THE PRESENCE OF HYDROGEN, SEPARATING FROM THE EFFLUENT PRODUCTS A LIQUID OLEFINIC RACTION AND A GASEOUS FRACTION CONTAIING HYDROGEN AND HYDROGEN SULFIDE, COMMINGLING SAID FRACTIONS AND SUBJECTING THE MIXTURE TO TREATMENT UNDER CONDITIONS TO REACT OLEFIN WITH THE HDROGEN SULFIDE AND TO THEREBY PERMIT READY SEPARATION OF THE HYDROGEN CONTAINED IN SAID GASEOUS FRACTION, SEPARATELY WITHDRAWING SAID HYDROGEN AND RECYCLING AT LEAST A PORTION THEREOF TO SAID DESULFURIZATION.
Claim 2
Dependent Claim
88 words
A COMBINATION PROCESS FOR THE DESULFURIZATION OF HYDROCARBONS WHICH COMPRISES SUBJECTING A HYDROCARBON DISTILLATE CONTAINING SULFUR COMPOUNDS TO DESURFURIZATION IN THE PRESENCE OF HYDROGEN, SEPARATING FROM THE EFFLUENT PRODUCTS A LIQUID OLEFINIC RACTION AND A GASEOUS FRACTION CONTAIING HYDROGEN AND HYDROGEN SULFIDE, COMMINGLING SAID FRACTIONS AND SUBJECTING THE MIXTURE TO TREATMENT UNDER CONDITIONS TO REACT OLEFIN WITH THE HDROGEN SULFIDE AND TO THEREBY PERMIT READY SEPARATION OF THE HYDROGEN CONTAINED IN SAID GASEOUS FRACTION, SEPARATELY WITHDRAWING SAID HYDROGEN AND RECYCLING AT LEAST A PORTION THEREOF TO SAID DESULFURIZATION.
References Cited (Backward Citations)
US2394751A
Cited
US1836183A
Cited
DE681078C
Cited
US2076875A
Cited
US2315144A
Cited
US2304183A
Cited
US2355366A
Cited
US2376086A
Cited
US2390099A
Cited
US2386769A
Cited
US2426646A
Cited
US2435545A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-27 | 1954-05-29 | 1954-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-27 | 1958-05-29 | 1958-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-27 | 1962-05-29 | 1962-11-28 | $7700.00 | Window Closed / Lapsed |