US2854404A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic reforming with a mixed base catalyst
Assignee: ExxonMobil Oil Corp
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Filing: 1955-09-26
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Granted: 1958-09-30
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Expires: 1975-09-26
Abstract
No abstract record available.
Inventors
- 👤 Charles D Prater
- 👤 Paul B Weisz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:02
CPC Classifications
C; C10; C10G; C10G35/00; C10G35/04; C10G35/06; C10G35/085; C10G35/09; B; B01; B01J; B01J23/00; B01J23/38; B01J23/40; B01J23/42; B01J2229/00; B01J2229/30; B01J2229/36; B01J31/00; B01J31/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
A PROCESS FOR REFORMING A HYDROCARBON MIXTURE BOILING IN THE GASOLINE RANGE, WHICH COMPRISES CONTACTING THE SAME UNDER REFORNING CONDITION WITH A CATALYST CONSISTING ESSENTIALLY OF A MECHANICAL MIXTURE OF PARTICLES OF LESS THAN ABOUT 100 MICRONS IN DIAMETER OF : (1) A POROUS INERT CARRIER HAVING DEPOSITED THEREON AN AMOUNT OF PLATINUM METAL SUCH THAT THE ULTIMATE CATALYST HAS A PLATINUM METAL CONTENT OF BETWEEN ABOUT 0.05 AND ABOUT 5 PERCENT BY WEIGHT AND (2) ETA ALUMINA ACTIVATED WITH HALOGEN IN AN AMOUNT SUCH THAT THE ULTIMATE CATALYST HAS A HALOGEN CONTENT OF BETWEEN ABOUT 0.1 AND ABOUT 8 PERCENT BY WEIGHT, THE RELATIVE WEIGHT FRACTIONS OF THE TWO COMPONENTS BEING BETWEEN ABOUT 0.1 AND ABOUT 0.9 AND THE RELATIONSHIP BETWEEN SAID COMPONENTS BEING SUCH THAT THE RESULTANT MIXTURE IS CHARACTERIZED BY A DEHYDROGENATION ACTIVITY OF AT LEAST 50 AND AN ACID ACTIVITY OF AT LEAST 0.2.
Claim 2
Dependent Claim
148 words
A PROCESS FOR REFORMING A HYDROCARBON MIXTURE BOILING IN THE GASOLINE RANGE, WHICH COMPRISES CONTACTING THE SAME UNDER REFORNING CONDITION WITH A CATALYST CONSISTING ESSENTIALLY OF A MECHANICAL MIXTURE OF PARTICLES OF LESS THAN ABOUT 100 MICRONS IN DIAMETER OF : (1) A POROUS INERT CARRIER HAVING DEPOSITED THEREON AN AMOUNT OF PLATINUM METAL SUCH THAT THE ULTIMATE CATALYST HAS A PLATINUM METAL CONTENT OF BETWEEN ABOUT 0.05 AND ABOUT 5 PERCENT BY WEIGHT AND (2) ETA ALUMINA ACTIVATED WITH HALOGEN IN AN AMOUNT SUCH THAT THE ULTIMATE CATALYST HAS A HALOGEN CONTENT OF BETWEEN ABOUT 0.1 AND ABOUT 8 PERCENT BY WEIGHT, THE RELATIVE WEIGHT FRACTIONS OF THE TWO COMPONENTS BEING BETWEEN ABOUT 0.1 AND ABOUT 0.9 AND THE RELATIONSHIP BETWEEN SAID COMPONENTS BEING SUCH THAT THE RESULTANT MIXTURE IS CHARACTERIZED BY A DEHYDROGENATION ACTIVITY OF AT LEAST 50 AND AN ACID ACTIVITY OF AT LEAST 0.2.
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) | 1961-09-29 | 1962-03-31 | 1962-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-29 | 1966-03-31 | 1966-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-29 | 1970-03-31 | 1970-09-30 | $7700.00 | Window Closed / Lapsed |