Patent US2761815A successfully refreshed from Google Patents.
US2761815A
Expired / Lapsed
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Preparation of specialty naphthas from high sulfur crudes
Assignee: Pure Oil Co
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Filing: 1953-06-17
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Granted: 1956-09-04
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Expires: 1973-06-17
Abstract
No abstract record available.
Inventors
- 👤 Le Roi E Hutchings
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:00
CPC Classifications
C; C10; C10G; C10G29/00; C10G29/16; C10G67/00; C10G67/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
THE PROCESS FOR PRODUCING SPECIAL SOLVENT NAPHTHAS WHICH PASS THE DISTILLATION-CORROSION TEST FROM HYDROCARBON MIXTURES CONTAINING DELETERIOUS SULFUR COMPOUNDS WHICH COMPRISES SEPARATING A VIRGIN FRACTION HAVING A BOILING RANGE OF ABOUT 110* TO 450* F. FROM SAID HYDROCARBON MIXTURE, SUBJECTING SAID VIRGIN FRACTION TO HYDROSULFURIZATION AT ABOUT 500* TO 800* F. IN THE PRESENCE OF HYDROGEN AND A CATALYST COMPRISING COBALT MOLYBDATE UNDER CONDITIONS SUCH THAT HYDROGEN SULFIDE IS PRODUCED SEPARATING THE HYDROGEN SULFIDE SO FORMED TO PRODUCE A
Claim 2
Dependent Claim
79 words
THE PROCESS FOR PRODUCING SPECIAL SOLVENT NAPHTHAS WHICH PASS THE DISTILLATION-CORROSION TEST FROM HYDROCARBON MIXTURES CONTAINING DELETERIOUS SULFUR COMPOUNDS WHICH COMPRISES SEPARATING A VIRGIN FRACTION HAVING A BOILING RANGE OF ABOUT 110* TO 450* F. FROM SAID HYDROCARBON MIXTURE, SUBJECTING SAID VIRGIN FRACTION TO HYDROSULFURIZATION AT ABOUT 500* TO 800* F. IN THE PRESENCE OF HYDROGEN AND A CATALYST COMPRISING COBALT MOLYBDATE UNDER CONDITIONS SUCH THAT HYDROGEN SULFIDE IS PRODUCED SEPARATING THE HYDROGEN SULFIDE SO FORMED TO PRODUCE A
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) | 1959-09-04 | 1960-03-05 | 1960-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-04 | 1964-03-05 | 1964-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-04 | 1968-03-05 | 1968-09-04 | $7700.00 | Window Closed / Lapsed |