Patent US2983670A successfully refreshed from Google Patents.
US2983670A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocracking process and catalyst
Assignee: Union Oil Company of California
•
Filing: 1958-06-02
•
Granted: 1961-05-09
•
Expires: 1978-06-02
Abstract
No abstract record available.
Inventors
- 👤 Jr Frank H Seubold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:30
CPC Classifications
C; C10; C10G; C10G47/00; C10G47/02; C10G47/10; C10G47/12; C10G47/16; B; B01; B01J; B01J29/00; B01J29/04; B01J29/06; B01J29/08; B01J29/082; C07; C07C; C07C4/00; C07C4/08; C07C4/12; C07C4/14; C07C4/18; C07C2529/00; C07C2529/04; C07C2529/06; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A METHOD FOR HYDROCRACKING HYDROCARBON FEEDSTOCKS TO OBTAIN LOWER BOILING HYDROCARBONS, WHICH COMPRISES SUBJECTING SAID FEEDSTOCK TO HYDROCRACKING CONDITIONS IN THE PRESENCE OF ADDED HYDROGEN AND A CATALYST, SAID CATALYST COMPRISING AS THE ESSENTIAL ACTIVE COMPONENT A CRYSTALLINE ZEOLITIC METALLO-ALUMINO-SILICATE HAVING A RELATIVELY UNIFORM AVERAGE PORE DIAMETER OF BETWEEN ABOUT 11 AND 14 A., AND CORRESPONDING SUBSTANTIALLY TO THE GENERAL FORMULA:
Claim 2
Independent Claim
61 words
A METHOD FOR HYDROCRACKING HYDROCARBON FEEDSTOCKS TO OBTAIN LOWER BOILING HYDROCARBONS, WHICH COMPRISES SUBJECTING SAID FEEDSTOCK TO HYDROCRACKING CONDITIONS IN THE PRESENCE OF ADDED HYDROGEN AND A CATALYST, SAID CATALYST COMPRISING AS THE ESSENTIAL ACTIVE COMPONENT A CRYSTALLINE ZEOLITIC METALLO-ALUMINO-SILICATE HAVING A RELATIVELY UNIFORM AVERAGE PORE DIAMETER OF BETWEEN ABOUT 11 AND 14 A., AND CORRESPONDING SUBSTANTIALLY TO THE GENERAL FORMULA:
References Cited (Backward Citations)
US2270044A
Cited
US2464205A
Cited
US2382951A
Cited
US2799626A
Cited
US2886512A
Cited
US2849383A
Cited
US2834429A
Cited
US2909582A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-08 | 1964-11-07 | 1965-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-08 | 1968-11-07 | 1969-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-08 | 1972-11-07 | 1973-05-09 | $7700.00 | Window Closed / Lapsed |