US3594310A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocracking catalyst
Assignee: Universal Oil Products Co
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Filing: 1969-03-20
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Granted: 1971-07-20
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Expires: 1989-03-20
Abstract
Abstract A HYDROCRACKING CATALYST OF A CRYSTALLINE ALUMINOSILICATE CARRIER MATERIAL, A GROUP I-B METAL COMPONENT HAVING AN ATOMIC NUMBER BELOW 79, AND A GROUP VII-B METAL COMPONENT HAVING AN ATOMIC NUMBER ABOVE 25. THE CRYSTALLINE ALUMINO-SILICATE CARRIER IS SUBSTANTIALLY PURE, BEING AT LEAST ABOUT 90.0% BY WEIGHT ZEOLITIC.
Inventors
- 👤 Ernest L Pollitzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:55
CPC Classifications
B; B01; B01J; B01J29/00; B01J29/04; B01J29/06; B01J29/08; B01J29/16; C; C10; C10G; C10G47/00; C10G47/02; C10G47/10; C10G47/12; C10G47/16; C10G47/20
Claims Analysis
Total Claims: 0
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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) | 1974-07-19 | 1975-01-18 | 1975-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-19 | 1979-01-18 | 1979-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-19 | 1983-01-18 | 1983-07-20 | $7700.00 | Window Closed / Lapsed |