US2687381A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing a cobalt, molybdenum impregnated catalyst composite
Assignee: Union Oil Company of California
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Filing: 1949-04-16
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Granted: 1954-08-24
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Expires: 1969-04-16
Abstract
No abstract record available.
Inventors
- 👤 Grant W Hendricks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:47
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/70; B01J23/76; B01J23/84; B01J23/85; B01J23/88; B01J23/882
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A METHOD OF PREPARING A CATALYST CONSISTING ESSENTIALLY OF A MINOR PROPORTION OF COBALT OXIDE PLUS MOLYBDENUM OXIDE AND A MAJOR PROPORTION OF A CARRIER WHICH COMPRISES IMPREGNANTING AN ADSORBENT CARRIER WITH AN AQUEOUS SOLUTION OF A COMPOUND OF ONE METAL SELECTED FROM THE CLASS CONSISTING OF COBALT AND MOLYBDENUM, DECOMPOSING SAID COMPOUND DURING HEATING TO FORM POSING SAID COMPOUND DURING HEATING TO FORM IMPREGNATING SAID CARRIER WITH AN AQUEOUS SOLUTION OF A COMPOUND OF THE OTHER OF SAID METALS AND DECOMPOSING SAID COMPOUND DURING HEATING TO FORM THE CORRESPONDING METAL OXIDE OF SAID OTHER METAL.
Claim 2
Independent Claim
96 words
A METHOD OF PREPARING A CATALYST CONSISTING ESSENTIALLY OF A MINOR PROPORTION OF COBALT OXIDE PLUS MOLYBDENUM OXIDE AND A MAJOR PROPORTION OF A CARRIER WHICH COMPRISES IMPREGNANTING AN ADSORBENT CARRIER WITH AN AQUEOUS SOLUTION OF A COMPOUND OF ONE METAL SELECTED FROM THE CLASS CONSISTING OF COBALT AND MOLYBDENUM, DECOMPOSING SAID COMPOUND DURING HEATING TO FORM POSING SAID COMPOUND DURING HEATING TO FORM IMPREGNATING SAID CARRIER WITH AN AQUEOUS SOLUTION OF A COMPOUND OF THE OTHER OF SAID METALS AND DECOMPOSING SAID COMPOUND DURING HEATING TO FORM THE CORRESPONDING METAL OXIDE OF SAID OTHER METAL.
References Cited (Backward Citations)
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Cited
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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) | 1957-08-23 | 1958-02-22 | 1958-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-23 | 1962-02-22 | 1962-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-23 | 1966-02-22 | 1966-08-24 | $7700.00 | Window Closed / Lapsed |