US2873246A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocracking catalyst and process
Assignee: Union Oil Company of California
•
Filing: 1955-04-18
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Granted: 1959-02-10
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Expires: 1975-04-18
Abstract
No abstract record available.
Inventors
- 👤 Rowland C Hansford
- 👤 Young Dean Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:45
CPC Classifications
C; C10; C10G; C10G47/00; C10G47/02; C10G47/04; B; B01; B01J; B01J21/00; B01J21/06; B01J21/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
A PROCESS FOR HYDROCRACKING A MINERAL OIL FEED STOCK BOILING ABOVE THE GASOLINE RANGE TO PRODUCE GASOLINE-BOILING RANGE HYDROCARBONS WHICH COMPRISES CONTACTING SAID FEED STOCK WITH A HYDROCRACKING CATALYST IN THE PRESENCE OF BETWEEN ABOUT 1000 AND 10. 000 S. C. F. OF HYDROGEN PER BARREL OF FEED, AND UNDER HYDRECRACKING CONDITIONS SAID HYDROCRACKING CATALYST COMPRISING AS ESSENTIAL ACTIVE INGREDIENTS COPRECIPITATED TITANIUM OXIDE AND SILICON OXIDE IN INTIMATE ADMIXTURE THE TI02/SI02 RATIO IN SAID CATALYST BEING BETWEEN ABOUT 95/5 AND 20/80 BY WEIGHT, SAID HYDROCRACKING CONDITIONS COMPRISING TEMPERATURES BETWEEN ABOUT 750* AND 1050*F., HYDROGEN PRESSURES BETWEEN ABOUT 500 AND 5,000 P. S. I. G., AND SPACE VELOCITIES BETWEEN ABOUT 0.1 AND 10.0 VOLUMES OF LIQUID FEED PER VOLUME OF CATALYST PER HOUR.
Claim 2
Dependent Claim
122 words
A PROCESS FOR HYDROCRACKING A MINERAL OIL FEED STOCK BOILING ABOVE THE GASOLINE RANGE TO PRODUCE GASOLINE-BOILING RANGE HYDROCARBONS WHICH COMPRISES CONTACTING SAID FEED STOCK WITH A HYDROCRACKING CATALYST IN THE PRESENCE OF BETWEEN ABOUT 1000 AND 10. 000 S. C. F. OF HYDROGEN PER BARREL OF FEED, AND UNDER HYDRECRACKING CONDITIONS SAID HYDROCRACKING CATALYST COMPRISING AS ESSENTIAL ACTIVE INGREDIENTS COPRECIPITATED TITANIUM OXIDE AND SILICON OXIDE IN INTIMATE ADMIXTURE THE TI02/SI02 RATIO IN SAID CATALYST BEING BETWEEN ABOUT 95/5 AND 20/80 BY WEIGHT, SAID HYDROCRACKING CONDITIONS COMPRISING TEMPERATURES BETWEEN ABOUT 750* AND 1050*F., HYDROGEN PRESSURES BETWEEN ABOUT 500 AND 5,000 P. S. I. G., AND SPACE VELOCITIES BETWEEN ABOUT 0.1 AND 10.0 VOLUMES OF LIQUID FEED PER VOLUME OF CATALYST PER HOUR.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-09 | 1962-08-11 | 1963-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-09 | 1966-08-11 | 1967-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-09 | 1970-08-11 | 1971-02-10 | $7700.00 | Window Closed / Lapsed |