Patent US3159569A successfully refreshed from Google Patents.
US3159569A
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Hydrocracking process and catalysts
Assignee: Union Oil Company of California
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Filing: 1961-03-30
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Granted: 1964-12-01
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Expires: 1981-03-30
Abstract
No abstract record available.
Inventors
- 👤 Rowland C Hansford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:44
CPC Classifications
C; C10; C10G; C10G47/00; C10G47/02; C10G47/10; B; B01; B01J; B01J21/00; B01J21/06; B01J21/08; B01J23/00; B01J23/16; B01J23/24; B01J23/28; B01J23/30; B01J23/38; B01J23/40; B01J23/42; B01J23/70; B01J23/74; B01J23/755; B01J23/89; B01J23/892; B01J27/00; B01J27/02; B01J27/04; B01J27/043; B01J37/00; B01J37/02; B01J37/0201; B01J37/0207; B01J37/03; B01J37/036; C10G47/12
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
115 words
A PROCESS FOR HYDROCRACKING A HIGH-BOILING HYDROCARBON TO PRODUCE LOWER BOILING HYDROCARBONS WHICH COMPRISES CONTACTING SAID HIGH-BOILING HYDROCARBON IN THE PRESENCE OF HYDROGEN AND UNDER HYDROCRACKING CONDITIONS, WITH A COMPOSITE CATALYST COMPRISING AS THE ESSENTIAL ACTIVE INGREDIENTS (1) A MAJOR PROPORTION OF A HYDROCRACKING BASE CONSISTING ESSENTIALLY OF BETWEEN ABOUT 5% AND 75% OF TITANIA XEROGEL, BETWEEN ABOUT 5% AND 75% OF ZIRCONIA XEROGEL, BETWEEN ABOUT 5% AND 85% OF SILICA XEROGEL; AND (2) BETWEEN ABOUT 0.1% AND 35%, BASED ON FREE METAL, OF AN ADDED PROMOTER SELECTED FROM THE CLASS CONSISTING OF CHROMIUM, MOLYBDENUM, TUNGSTEN, URANIUM, THE GROUP VIII METALS, AND THE OXIDES AND SULFIDES THEREOF, ALL OF SAID INGREDIENTS BEING INTIMATELY COMPOSITED TOGETHER.
References Cited (Backward Citations)
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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) | 1967-12-01 | 1968-06-01 | 1968-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-01 | 1972-06-01 | 1972-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-01 | 1976-06-01 | 1976-12-01 | $7700.00 | Window Closed / Lapsed |