US2849378A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic reforming with a high surface area catalyst
Assignee: ExxonMobil Oil Corp
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Filing: 1954-03-31
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Granted: 1958-08-26
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Expires: 1974-03-31
Abstract
No abstract record available.
Inventors
- 👤 Richard W Baker
- 👤 Frank G Ciapetta
- 👤 Robert M Dobres
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:41
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; B01J23/44; B01J21/00; B01J21/06; B01J21/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
A PROCESS FOR REFORMING HYDROCARBON FRACTIONS HAVING AN INITIAL BOILING POINT OF AT LEAST ABOUT 60*F. AND AN END BOILING POINT OF LESS THAN ABOUT 450*F. AND BOILING SUBSTANTIALLY CONTINUOUSLY BETWEEN SAID INITIAL BOILING POINT AND SAID END BOILING POINT, WHICH COMPRISES CONTACTING SAID FRACTIONS WITH A CATALYST THAT HAS A SURFACE AREA THAT VARIES BETWEEN ABOUT 650 SQUARE METERS PER GRAM AND ABOUT 100 SQUARE METERS PER GRAM AND WHICH INCLUDES AT LEAST ONE METAL SELECTED FROM THE GROUPS CONSISTING OF PLATINUM AND PALLADIUM, IN AMOUNTS THAT VARY BETWEEN ABOUT 0.05 PERCENT, BY WEIGHT, AND ABOUT 2 PERCENT, BY WEIGHT, DEPOSITED UPON SILICA THAT CONTAINS ALUMINA IN AMOUNTS THAT VARY BETWEEN ABOUT 0.025 PERCENT AND
Claim 2
Dependent Claim
116 words
A PROCESS FOR REFORMING HYDROCARBON FRACTIONS HAVING AN INITIAL BOILING POINT OF AT LEAST ABOUT 60*F. AND AN END BOILING POINT OF LESS THAN ABOUT 450*F. AND BOILING SUBSTANTIALLY CONTINUOUSLY BETWEEN SAID INITIAL BOILING POINT AND SAID END BOILING POINT, WHICH COMPRISES CONTACTING SAID FRACTIONS WITH A CATALYST THAT HAS A SURFACE AREA THAT VARIES BETWEEN ABOUT 650 SQUARE METERS PER GRAM AND ABOUT 100 SQUARE METERS PER GRAM AND WHICH INCLUDES AT LEAST ONE METAL SELECTED FROM THE GROUPS CONSISTING OF PLATINUM AND PALLADIUM, IN AMOUNTS THAT VARY BETWEEN ABOUT 0.05 PERCENT, BY WEIGHT, AND ABOUT 2 PERCENT, BY WEIGHT, DEPOSITED UPON SILICA THAT CONTAINS ALUMINA IN AMOUNTS THAT VARY BETWEEN ABOUT 0.025 PERCENT AND
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) | 1961-08-25 | 1962-02-24 | 1962-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-25 | 1966-02-24 | 1966-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-25 | 1970-02-24 | 1970-08-26 | $7700.00 | Window Closed / Lapsed |