US3717587A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalyst and method of preparing the same
Assignee: Mobil Oil AS
•
Filing: 1970-04-13
•
Granted: 1973-02-20
•
Expires: 1990-04-13
Abstract
Abstract NEW CATALYST FOR HYDROCONVERSION OF ORGANIC FEEDSTOCKS AND METHOD OF PREPARING SUCH CATALYST. CATALYST COMPRISES AN INORGANIC OXIDE GEL MATRIX HAVING DISPERSED THEREIN A CRYSTALLINE ALUMINOSILICATE ZEOLITE. MATRIX IS TREATED, PRIOR TO HEAT AGEING, WITH ACID TO ADJUST THE MOLAR RATIO OF OH/ SIO2 TO FORM ABOUT 0.18 TO 0.21. THE CATALYST EXHIBITS SUPERIOR LOW COOKING TENDENCIES.
Inventors
- 👤 L Hepner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:37
CPC Classifications
C; C10; C10G; C10G11/00; C10G11/02; C10G11/04; C10G11/05; B; B01; B01J; B01J20/00; B01J20/02; B01J20/10; B01J20/16; B01J20/18; B01J29/00; B01J29/04; B01J29/06; B01J29/061
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-02-20 | 1976-08-21 | 1977-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-20 | 1980-08-21 | 1981-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-20 | 1984-08-21 | 1985-02-20 | $7700.00 | Window Closed / Lapsed |