US3061555A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilization of catalysts of molybdena-cobalt oxide on alumina hydrogel carriers
Assignee: ChampionX LLC
•
Filing: 1958-12-15
•
Granted: 1962-10-30
•
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 11:35
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)
CA533525A
Cited
US2422372A
Cited
US2422172A
Cited
US2371088A
Cited
US2692846A
Cited
US2692293A
Cited
US2799661A
Cited
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 |