US3692697A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluorided metal-alumina catalysts
Assignee: Texaco Inc
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Filing: 1970-06-25
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Granted: 1972-09-19
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Expires: 1990-06-25
Abstract
Abstract A METHOD FOR PREPARING A HYDROCARBON CONVERSION CATALYST BY PROVIDING A COMPOSITE COMPOSED OF ALUMINA HAVING ASSOCIATED THEREWITH A GROUP VI-B, VII-B OR VIII METAL OR COMPOUND AND CONTACTING THE COMPOSITE WITH AN ACTIVATOR SYSTEM COMPRISING HYDROGEN AND SULFURYL FLUORIDE OR THIONYL FLUORIDE. THE CATALYSTS SO PREPARED ARE USEFUL IN SUCH HYDROCARBON CONVERSION PROCESSES AS ISOMERIZATION, HYDROCRACKING, REFORMING, ALKYLATION, DISPROPORTIONATION, POLYMERIZATION AND HYDROGENATION.
Inventors
- 👤 Stanley Kravitz
- 👤 John H Estes
- 👤 Robert M Suggitt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:47
CPC Classifications
B; B01; B01J; B01J37/00; B01J37/22; B01J37/26; B01J21/00; B01J21/02; B01J21/04; B01J23/00; B01J23/38; B01J23/40; B01J23/42; B01J23/54; B01J23/56; B01J23/64; B01J23/656; B01J23/6567; B01J23/90; B01J23/96; C; C07; C07C; C07C5/00; C07C5/22; C07C5/27; C07C5/2767; C07C5/277; C07C5/2791; B01J37/20; C07C2521/00; C07C2521/02; C07C2521/04; C07C2523/00; C07C2523/38; C07C2523/40; C07C2523/42; C07C2523/44; C07C2523/46; C07C2527/00; C07C2527/02; C07C2527/04; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/584; Y10; Y10S; Y10S585/00; Y10S585/8995; Y10S585/906; Y10S585/949; Y10S585/95
Claims Analysis
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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) | 1975-09-19 | 1976-03-20 | 1976-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-09-19 | 1980-03-20 | 1980-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-09-19 | 1984-03-20 | 1984-09-19 | $7700.00 | Window Closed / Lapsed |