US2776264A
Expired / Lapsed
US
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Preparation of platinum-on-alumina catalyst composite
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1953-03-06
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Granted: 1957-01-01
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Expires: 1973-03-06
Abstract
No abstract record available.
Inventors
- 👤 James A Dinwiddie
- 👤 Max A Mosesman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 01:32
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/38; B01J23/40; B01J23/42; B01J21/00; B01J21/02; B01J21/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A METHOD OF PREPARING A CATALYST SUITABLE FOR USE IN HYDROCARBON CONVERSION OPERATIONS WHICH COMPRISE ADMIXING A SOLUTION OF A PLATINUM-CONTAINING COMPOUND WITH GAMMA ALUMINA DERIVED FROM ALUMINA ALPHA MONOHYDRATE, SAID ALUMINUM WITH AN ALIPHATIC ALCOHOL TAINED BY REACTING ALUMINUM WITH AN ALIPHATIC ALCOHOL TO FORM AN ALCOHOLATE AND CONTACTING SAID ALCOHOLATE WITH WATER VAPOR UNDER CONDITIONS TO HYDROLYZE SAID ALCOHOLATE TO ALUMINA ALPHA MOIANCHYDRATE AND HEATING THE ADMIXTURE TO A TEMPERATURE IN THE RANGE FROM 600*
Claim 2
Independent Claim
77 words
A METHOD OF PREPARING A CATALYST SUITABLE FOR USE IN HYDROCARBON CONVERSION OPERATIONS WHICH COMPRISE ADMIXING A SOLUTION OF A PLATINUM-CONTAINING COMPOUND WITH GAMMA ALUMINA DERIVED FROM ALUMINA ALPHA MONOHYDRATE, SAID ALUMINUM WITH AN ALIPHATIC ALCOHOL TAINED BY REACTING ALUMINUM WITH AN ALIPHATIC ALCOHOL TO FORM AN ALCOHOLATE AND CONTACTING SAID ALCOHOLATE WITH WATER VAPOR UNDER CONDITIONS TO HYDROLYZE SAID ALCOHOLATE TO ALUMINA ALPHA MOIANCHYDRATE AND HEATING THE ADMIXTURE TO A TEMPERATURE IN THE RANGE FROM 600*
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) | 1960-01-01 | 1960-07-02 | 1961-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-01 | 1964-07-02 | 1965-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-01 | 1968-07-02 | 1969-01-01 | $7700.00 | Window Closed / Lapsed |