US3775298A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydroconversion process for production of lpg in presence of mordenite aluminosilicate
Assignee: Texaco Inc
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Filing: 1971-10-27
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Granted: 1973-11-27
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Expires: 1991-10-27
Abstract
Abstract GASEOUS HYDROCARBONS SUITABLE FOR USE IN LIQUIFIED PRETROLEUM GAS, LPG, ARE PRODUCED BY CONTACTING A HYDROCARBON FEEDSTOCK UNDER CONVERSION CONDITIONS IN THE PRESENCE OF A CATALYST COMPRISING A MORDENITE ALUMINOSILICATE, PREFERABLY CONTAINING A GROUP VII METAL HAVING AN ATOMIC WEIGHT GREATER THAN ABOUT 100. IN A PREFERRED EMBODIMENT THE MORDENITE HAS AN INCREASED SILICA TO ALUMINA MOLE RATIO.
Inventors
- 👤 H Morris
- 👤 T Cooper
- 👤 B Cummins
- 👤 D Sweeney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 01:48
CPC Classifications
C; C07; C07C; C07C4/00; C07C4/02; C07C4/06; C07C2529/00; C07C2529/04; C07C2529/06; C07C2529/18; C10; C10G; C10G2400/00; C10G2400/28; Y; Y10; Y10S; Y10S208/00; Y10S208/02; Y10S585/00; Y10S585/8995; Y10S585/905
Claims Analysis
Total Claims: 0
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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 |