US3775299A
Expired / Lapsed
US
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Catalytic cracking with catalyst of zeolite in weighted matrix
Assignee: Mobil Oil AS
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Filing: 1971-11-18
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Granted: 1973-11-27
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Expires: 1991-11-18
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 COKING TENDENCIES.
Inventors
- 👤 L Hepner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:50
CPC Classifications
B; B01; B01J; B01J20/00; B01J20/02; B01J20/10; B01J20/16; B01J20/18; B01J29/00; B01J29/04; B01J29/06; B01J29/061; C; C10; C10G; C10G11/00; C10G11/02; C10G11/04; C10G11/05; Y; Y10; Y10S; Y10S208/00; Y10S208/02
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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) | 1976-11-26 | 1977-05-28 | 1977-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-11-26 | 1981-05-28 | 1981-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-11-26 | 1985-05-28 | 1985-11-27 | $7700.00 | Window Closed / Lapsed |