US2898289A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of catalyst particles
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1954-12-01
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Granted: 1959-08-04
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Expires: 1974-12-01
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles Newton Kimberlin
- 👤 Fred J Buchmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:10
CPC Classifications
B; B01; B01J; B01J37/00; B01J37/02; B01J37/0201; B01J23/00; B01J23/38; B01J23/40; B01J23/42; B01J37/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
9. A PROCESS FOR HYDROFORMING HYDROCARBONS WHICH COMPRISES CONTACTING THE HYDROCARBONS IN ADMIXTURE WITH HYDROGEN UNDER ACTIVE CONVERSION CONDITIONS WITH CATALYST OBTAINED BY SUBMERGING PREFORMED BODIES OF ADSORPTIVE ALUMINA IN A LARGE QUANTITY OF WATER, CIRCULATING THE WATER THROUGH A BED OF SAID PREFORMED BODIES, SLOWLY ADDING A SOLUTION OF A PLATIUM GROUP METAL COMPOUND TO SAID WATER IN SUFFICIENT AMOUNT TO INCORPORATE THE DESIRED AMOUNT OF PLATINUM METAL IN THE SUPPORT, CONTINUING THE CIRCULATION OF THE SLUTION FOR A PERIOD OF AT LEAST ABOUT ONE-HALF HOUR AFTER ADDITION OF THE SOLUTION OF THE
Claim 2
Dependent Claim
94 words
9. A PROCESS FOR HYDROFORMING HYDROCARBONS WHICH COMPRISES CONTACTING THE HYDROCARBONS IN ADMIXTURE WITH HYDROGEN UNDER ACTIVE CONVERSION CONDITIONS WITH CATALYST OBTAINED BY SUBMERGING PREFORMED BODIES OF ADSORPTIVE ALUMINA IN A LARGE QUANTITY OF WATER, CIRCULATING THE WATER THROUGH A BED OF SAID PREFORMED BODIES, SLOWLY ADDING A SOLUTION OF A PLATIUM GROUP METAL COMPOUND TO SAID WATER IN SUFFICIENT AMOUNT TO INCORPORATE THE DESIRED AMOUNT OF PLATINUM METAL IN THE SUPPORT, CONTINUING THE CIRCULATION OF THE SLUTION FOR A PERIOD OF AT LEAST ABOUT ONE-HALF HOUR AFTER ADDITION OF THE SOLUTION OF THE
References Cited (Backward Citations)
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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) | 1962-08-03 | 1963-02-02 | 1963-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-03 | 1967-02-02 | 1967-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-03 | 1971-02-02 | 1971-08-04 | $7700.00 | Window Closed / Lapsed |