US3686095A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Desulfurization of residue-containing hydrocarbon oils
Assignee: Texaco Inc
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Filing: 1970-02-16
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Granted: 1972-08-22
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Expires: 1990-02-16
Abstract
Abstract HYDRODESULFURIZATION OF ATMOSPHERIC RESIDUA OR VACUUM RESIDUA IS CARRIED OUT WITH A CATALYST CONTAINING A COMPOUND OF A GROUP VI METAL AND A COMPOUND OF AN IRON GROUP METAL WITH A CATALYST SUPPORT OF ALUMINA, ZIRCONIA OR MAGNESIA CONTAINING 2-14% SILICA AND HAVING SPECIFIED SURFACE AREA, PORE VOLUME AND AVERAGE PORE DIAMETER.
Inventors
- 👤 William R Coons Jr
- 👤 Gerald V Nelson
- 👤 Glenn C Wray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:45
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/70; B01J23/76; B01J23/84; B01J23/85; B01J35/00; B01J35/30; B01J35/31; B01J35/32; B01J35/60; B01J35/61; B01J35/615; B01J35/63; B01J35/635; B01J35/64; B01J35/647; C; C10; C10G; C10G2300/00; C10G2300/10; C10G2300/107
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) | 1975-08-22 | 1976-02-21 | 1976-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-22 | 1980-02-21 | 1980-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-22 | 1984-02-21 | 1984-08-22 | $7700.00 | Window Closed / Lapsed |