US3239448A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocracking process with the use of a catalyst composite, comprising a group ib and a palladium group metal
Assignee: Shell USA Inc
•
Filing: 1962-04-30
•
Granted: 1966-03-08
•
Expires: 1982-04-30
Abstract
No abstract record available.
Inventors
- 👤 William B Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:53
CPC Classifications
C; C10; C10G; C10G47/00; C10G47/02; C10G47/10; C10G47/12; C10G47/14; B; B01; B01J; B01J23/00; B01J23/38; B01J23/48; B01J23/50; B01J23/54; B01J23/66; B01J23/70; B01J23/89; B01J23/8926; B01J23/90
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
71 words
A METHOD OF HYDROCRACKING A HEAVY HYDROCARBON OIL WHICH COMPRISES CONTACTING SAID OIL IN THE PRESENCE OF HYDROGEN UNDER HYDROCRACKING CONDITIONS WITH A CATALYST COMPRISING FROM ABOUT 0.1% TO 20% BY WEIGHT OF A METAL OF GROUP IB AND ABOUT 0.05% TO 1% BY WEIGHT OF A METAL OF THE PALLADIUM GROUP INTIMATELY ASSOCIATED WITH SILICA-ALUMINA,SAID CATALYST HAVING BEEN PREPARED BY INCORPORATING AT LEAST THE GROUP IB METAL INTO SILICA-ALUMINA HYDROGEL.
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) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |