Patent US3061555A successfully refreshed from Google Patents.
US3061555A
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Stabilization of catalysts of molybdena-cobalt oxide on alumina hydrogel carriers
Assignee: ChampionX LLC
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Filing: 1958-12-15
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Granted: 1962-10-30
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Expires: 1978-12-15
Abstract
No abstract record available.
Inventors
- 👤 Edwin H Mcgrew
- 👤 Jr William P Hettinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:25
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/70; B01J23/76; B01J23/84; B01J23/85; B01J23/88; B01J23/887; B01J23/8872; C; C10; C10G; C10G45/00; C10G45/02; C10G45/04; C10G45/06; C10G45/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
A HYDRODESULFURIZATION CATALYST CONSISTING ESSENTIALLY OF COBALT OXIDE AND MOLYBDENA ON A GAMMA ALUMINA HYDROGEL CARRIER AND WHEREIN THE WEIGHT RATIO OF MOLYBDENA TO COBALT OXIDE EXCEEDS 2.9:1, SAID CARRIER CONTAINING AN ALKALINE EARTH OXIDE SELECTED FROM THE GROUP CONSISTING OF CALCIUM OXIDE, MAGNESIUM OXIDE, AND MIXTURES THEREOF IN AN AMOUNT IN THE RANGE OF 0.1-5% BY WEIGHT OF SAID CARRIER AND AT LEAST STOICHIOMETRICALLY EQUAL TO THE EXCESS MOLYBDENA ABOVE SAID RATIO.
Claim 2
Dependent Claim
73 words
A HYDRODESULFURIZATION CATALYST CONSISTING ESSENTIALLY OF COBALT OXIDE AND MOLYBDENA ON A GAMMA ALUMINA HYDROGEL CARRIER AND WHEREIN THE WEIGHT RATIO OF MOLYBDENA TO COBALT OXIDE EXCEEDS 2.9:1, SAID CARRIER CONTAINING AN ALKALINE EARTH OXIDE SELECTED FROM THE GROUP CONSISTING OF CALCIUM OXIDE, MAGNESIUM OXIDE, AND MIXTURES THEREOF IN AN AMOUNT IN THE RANGE OF 0.1-5% BY WEIGHT OF SAID CARRIER AND AT LEAST STOICHIOMETRICALLY EQUAL TO THE EXCESS MOLYBDENA ABOVE SAID RATIO.
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) | 1965-10-29 | 1966-04-30 | 1966-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-29 | 1970-04-30 | 1970-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-29 | 1974-04-30 | 1974-10-30 | $7700.00 | Window Closed / Lapsed |