Patent US2632727A successfully refreshed from Google Patents.
US2632727A
Expired / Lapsed
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Cracking of hydrocarbon oils
Assignee: Standard Oil Development Co
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Filing: 1950-08-03
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Granted: 1953-03-24
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Expires: 1970-08-03
Abstract
No abstract record available.
Inventors
- 👤 Keith P Lanneau
- 👤 Elphege M Charlet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:57
CPC Classifications
C; C10; C10G; C10G11/00; C10G11/14; C10G11/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
THE PROCESS OF CRACKING HYDROCARBON OILS WHICH COMPRISES CONTACTING IN A CONTACTING ZONE A GAS OIL RANGE HYDROCARBON OIL BOILING ABOVE THE MOTOR FUEL RANGE, HAVING A FINAL BOILING POINT NOT EXCEEDING 1045* F. AT A ATMOSPHERIC PRESSURE AND CONTAINING AROMATIC CONSTITUENTS, WITH SILICA GEL IN PROPORTIONS ADEQUATE TO ADSORB SAID AROMATIC CONSTITUENTS SUBSTANTIALLY COMPLETELY ON SAID SILICA GEL, RECOVERING AN OIL SUBSTANTIALLY FREE OF AROMATICS FROM SAID CONTACTING ZONE AND CATALYTICALLY CRACKING THE OIL SO RECOVERED IN THE ABSENCE OF SAID AROMATIC CONSTITUENTS AT CONDITIONS CONDUCTIVE TO THE FORMATION OF MOTOR FUEL RANGE HYDROCARBONS.
Claim 2
Dependent Claim
95 words
THE PROCESS OF CRACKING HYDROCARBON OILS WHICH COMPRISES CONTACTING IN A CONTACTING ZONE A GAS OIL RANGE HYDROCARBON OIL BOILING ABOVE THE MOTOR FUEL RANGE, HAVING A FINAL BOILING POINT NOT EXCEEDING 1045* F. AT A ATMOSPHERIC PRESSURE AND CONTAINING AROMATIC CONSTITUENTS, WITH SILICA GEL IN PROPORTIONS ADEQUATE TO ADSORB SAID AROMATIC CONSTITUENTS SUBSTANTIALLY COMPLETELY ON SAID SILICA GEL, RECOVERING AN OIL SUBSTANTIALLY FREE OF AROMATICS FROM SAID CONTACTING ZONE AND CATALYTICALLY CRACKING THE OIL SO RECOVERED IN THE ABSENCE OF SAID AROMATIC CONSTITUENTS AT CONDITIONS CONDUCTIVE TO THE FORMATION OF MOTOR FUEL RANGE 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) | 1956-03-23 | 1956-09-22 | 1957-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-23 | 1960-09-22 | 1961-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-23 | 1964-09-22 | 1965-03-24 | $7700.00 | Window Closed / Lapsed |