US3304268A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing a supported copper oxide catalyst composition
Assignee: Universal Oil Products Co
•
Filing: 1965-09-20
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Granted: 1967-02-14
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Expires: 1985-09-20
Abstract
No abstract record available.
Inventors
- 👤 George R Lester
- 👤 Cecelia J Adams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:08
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/70; B01J23/72
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A METHOD OF PREPARING A CATALYST WHICH COMPRISES CONTACTING AN OXIDE OF A METAL SELECTED FROM A GROUP CONSISTING OF MAGNESIUM, CALCIUM, AND ZINC WITH AN AQUEOUS SOLUTION OF A CUPRIHYDROXYCARBOXYLATE OF A METAL SELECTED FROM THE GROUP CONSISTING OF ALKALI METALS AND ALKALINE EARTH METALS, THE CONCENTRATION OF SAID CUPRIHYDROXYCARBOXYLATE, IN SAID SOLUTION BEING SUCH THAT THE FINAL CATALYST COMPOSITE HAS THE HEREINAFTER RECITED COMPOSITION, SORBING SAID CUPRIHYDROXYCARBOXYLATE ON SAID OXIDE, DRYING AND CALCINING THE RESULTING COMPOSITE AND FORMING A FINAL CATALYST COMPOSITE COMPRISING AN OXIDE OF A METAL SELECTED FROM THE GROUP CONSISTING OF MAGNESIUM, CALCIUM, AND ZINC, AND FROM ABOUT 0.1 WT. PERCENT TO ABOUT 15 WT. PERCENT COPPER AS COPPER OXIDE.
Claim 2
Independent Claim
115 words
A METHOD OF PREPARING A CATALYST WHICH COMPRISES CONTACTING AN OXIDE OF A METAL SELECTED FROM A GROUP CONSISTING OF MAGNESIUM, CALCIUM, AND ZINC WITH AN AQUEOUS SOLUTION OF A CUPRIHYDROXYCARBOXYLATE OF A METAL SELECTED FROM THE GROUP CONSISTING OF ALKALI METALS AND ALKALINE EARTH METALS, THE CONCENTRATION OF SAID CUPRIHYDROXYCARBOXYLATE, IN SAID SOLUTION BEING SUCH THAT THE FINAL CATALYST COMPOSITE HAS THE HEREINAFTER RECITED COMPOSITION, SORBING SAID CUPRIHYDROXYCARBOXYLATE ON SAID OXIDE, DRYING AND CALCINING THE RESULTING COMPOSITE AND FORMING A FINAL CATALYST COMPOSITE COMPRISING AN OXIDE OF A METAL SELECTED FROM THE GROUP CONSISTING OF MAGNESIUM, CALCIUM, AND ZINC, AND FROM ABOUT 0.1 WT. PERCENT TO ABOUT 15 WT. PERCENT COPPER AS COPPER OXIDE.
References Cited (Backward Citations)
US1914558A
Cited
US1913774A
Cited
US2773839A
Cited
US2927088A
Cited
US3068303A
Cited
US3133029A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-13 | 1970-08-15 | 1971-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-13 | 1974-08-15 | 1975-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-13 | 1978-08-15 | 1979-02-14 | $7700.00 | Window Closed / Lapsed |