US3147208A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the hydrocracking of hydrocarbons with a cobalt-molybdenum on silica-alumina support type catalyst
Assignee: Sinclair Research Inc
•
Filing: 1962-03-12
•
Granted: 1964-09-01
•
Expires: 1982-03-12
Abstract
No abstract record available.
Inventors
- 👤 Marvin F L Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:00
CPC Classifications
C; C10; C10G; C10G47/00; C10G47/02; C10G47/10; B; B01; B01J; B01J21/00; B01J21/12; B01J23/00; B01J23/70; B01J23/76; B01J23/84; B01J23/85; B01J23/88; B01J23/882
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
85 words
THE PROCESS FOR HYDROCRACKING PETROLEUM FEEDSTOCKS WHICH COMPRISES CONTACTING SAID FEEDSTOCK UNDER HYDROCRACKING CONDITIONS INCLUDING A TEMPERATURE OF ABOUT 650 TO 950*F. AND IN THE PRESENCE OF MOLECULAR HYDROGEN WITH A FIXED BED OF MACRO-SIZE CATALYST OF ABOUT 1/16 TO 1/2 INCH DIAMETER AND ABOUT 1/16 TO 1/2 INCH LENGTH CONSISTING ESSENTIALLY OF CATALYTIC AMOUNTS OF COBALT AND MOLYBDENUM ON A SILICA-ALUMINA SUPPORT CONTAINING ABOUT 70 TO 90 PERCENT SILICA, WHICH CATALYST PRIOR TO MACRO-SIZE FORMATION HAS A MESH SIZE RANGE OF 200 TO 325.
References Cited (Backward Citations)
US2488027A
Cited
US2902431A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |