US3133029A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing a copper, cobalt or nickel catalyst
Assignee: Universal Oil Products Co
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Filing: 1960-12-27
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Granted: 1964-05-12
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Expires: 1980-12-27
Abstract
No abstract record available.
Inventors
- 👤 Hoekstra James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:07
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/70; B01J37/00; B01J37/02; B01J37/0201
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A METHOD FOR PRODUCING A CATALYST WHICH COMPRISES COMMINGLING AQUEOUS AMMONIA AND A CARBONATE OF A METAL SELECTED FROM THE GROUP CONSISTING OF COPPER, COBALT AND NICKEL, IMPREGNATING AN ALUMINA BASE WITH THE RESULTANT MIXTURE, DRYING THE IMPREGNATED BASE TO COMPOSITE WITH THE BASE A COMPOUND OF SAID METAL, AND THEN CALCINING THE DRIED BASE TO FORM A COMPOSITE OF ALUMINA AND AN OXIDE OF SAID METAL.
Claim 2
Independent Claim
67 words
A METHOD FOR PRODUCING A CATALYST WHICH COMPRISES COMMINGLING AQUEOUS AMMONIA AND A CARBONATE OF A METAL SELECTED FROM THE GROUP CONSISTING OF COPPER, COBALT AND NICKEL, IMPREGNATING AN ALUMINA BASE WITH THE RESULTANT MIXTURE, DRYING THE IMPREGNATED BASE TO COMPOSITE WITH THE BASE A COMPOUND OF SAID METAL, AND THEN CALCINING THE DRIED BASE TO FORM A COMPOSITE OF ALUMINA AND AN OXIDE OF SAID METAL.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-12 | 1967-11-11 | 1968-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-12 | 1971-11-11 | 1972-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-12 | 1975-11-11 | 1976-05-12 | $7700.00 | Window Closed / Lapsed |