US2761819A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for converting hydrocarbons with a platinum-on-alumina catalyst
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1953-03-06
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Granted: 1956-09-04
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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
2026-11-04 00:46
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/38; B01J23/40; B01J23/42; B01J37/00; B01J37/02; B01J37/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
A METHOD FOR CONVERTING HYDROCARBONS WHICH COMPRISES CONTAINING A CATALYST CONSISTING OF PLATINUM ON ALUMINA WITH HYDROGEN IN AN AMOUNT IN THE RANGE FROM ABOUT 1000 TO 5000 VOLUMES PER VOLUME OF CATALYST PER HOUR AT A TEMPERATURE IN THE RANGE FROM ABOUT 1000* F. TO 1300* F. FOR A SUFFICIENT LENGTH OF TIME IN THE RANGE FROM ABOUT 2 TO 24 HOURS, TERMINATING CONTACT OF HYDROGEN WITH SAID CATALYST, AND THEN CONTACTING SAID HYDROGENCONTACTED CATALYST WITH A HYDROCARBON AT A TEMPERATURE IN THE RANGE FROM 850* TO 1000* F. IN THE PRESENCE OF HYDROGEN TO CONVERT SAID HYDROCARBON TO A PRODUCT OF HIGHER OCTANE NUMBER AND YIELD THAN THAT OBTAINABLE WITHOUT SAID HYDROGEN CONTACT TIME, THE HYDROGEN CONTACT TIME BEING IN THE RANGE FROM ABOUT 1% TO 10% OF THE TOTAL CONTACT TIME AND THE REMAINDER OF THE TOTAL CONTACT TIME BEING CONTACT WITH HYDROGEN AND SAID HYDROCARBON.
Claim 2
Independent Claim
149 words
A METHOD FOR CONVERTING HYDROCARBONS WHICH COMPRISES CONTAINING A CATALYST CONSISTING OF PLATINUM ON ALUMINA WITH HYDROGEN IN AN AMOUNT IN THE RANGE FROM ABOUT 1000 TO 5000 VOLUMES PER VOLUME OF CATALYST PER HOUR AT A TEMPERATURE IN THE RANGE FROM ABOUT 1000* F. TO 1300* F. FOR A SUFFICIENT LENGTH OF TIME IN THE RANGE FROM ABOUT 2 TO 24 HOURS, TERMINATING CONTACT OF HYDROGEN WITH SAID CATALYST, AND THEN CONTACTING SAID HYDROGENCONTACTED CATALYST WITH A HYDROCARBON AT A TEMPERATURE IN THE RANGE FROM 850* TO 1000* F. IN THE PRESENCE OF HYDROGEN TO CONVERT SAID HYDROCARBON TO A PRODUCT OF HIGHER OCTANE NUMBER AND YIELD THAN THAT OBTAINABLE WITHOUT SAID HYDROGEN CONTACT TIME, THE HYDROGEN CONTACT TIME BEING IN THE RANGE FROM ABOUT 1% TO 10% OF THE TOTAL CONTACT TIME AND THE REMAINDER OF THE TOTAL CONTACT TIME BEING CONTACT WITH HYDROGEN AND SAID HYDROCARBON.
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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) | 1959-09-04 | 1960-03-05 | 1960-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-04 | 1964-03-05 | 1964-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-04 | 1968-03-05 | 1968-09-04 | $7700.00 | Window Closed / Lapsed |