Patent US3677933A successfully refreshed from Google Patents.
US3677933A
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Molybdenum-antimony catalysts for hydrocarbon treating
Assignee: Phillips Petroleum Co
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Filing: 1970-09-08
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Granted: 1972-07-18
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Expires: 1990-09-08
Abstract
Abstract HYDROCARBONS ARE HYDROCRACKED AND DESULFURIZED BY CONTACTING WITH SUPPORTED MOLYBDENUM-ANTIMONY CATALYSTS.
Inventors
- 👤 Marvin M Johnson
- 👤 Donald C Tabler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:04
CPC Classifications
C; C10; C10G; C10G47/00; C10G47/02; C10G47/10; B; B01; B01J; B01J23/00; B01J23/16; B01J23/24; B01J23/28; C10G45/00; C10G45/02; C10G45/04; C10G47/12
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) | 1975-07-18 | 1976-01-17 | 1976-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-18 | 1980-01-17 | 1980-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-18 | 1984-01-17 | 1984-07-18 | $7700.00 | Window Closed / Lapsed |