Patent US2865837A successfully refreshed from Google Patents.
US2865837A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reforming hydrocarbons for enhanced yields
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1956-09-04
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Granted: 1958-12-23
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Expires: 1976-09-04
Abstract
No abstract record available.
Inventors
- 👤 Henry A Holcomb
- 👤 Robert M Love
- 👤 James F Mathis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:05
CPC Classifications
C; C10; C10G; C10G35/00; C10G35/04; C10G35/06; C10G35/085
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
172 words
A METHOD FOR PRODUCING ENHANCED YIELDS OF HIGH OCTANE HYDROGEN IN WHICH A NAPHTHENIC HYDROCARBON FRACTION IS CHARGED IN SERIES TO A PLURALITY OF REACTION ZONES EACH CONTAUNUNG A BED OF SUPPORTED PLATINUM CATALYST AND MAINTAINED AT HYDROGEN C/NVERSION CONDITIONS WHICH COMPRISES ADDIING A NORMALPARAFFIN IN A SUFFICIENT AMOUNT WITHIN THE RANGE FROM ABOUT 10 TO ABOUT 60, BY VOLUME OF THE NAPHTHENIC HYDROCARBON TO THE NAPHTHENIC HYDROCARBON FEED TO THE LEAD REACTION ZONE OF SAID PLURALITY OF ZONES AND ADDING AN ISOOLEFIN IN A SUFFICIENT AMOUNT WITHIN THE RANGE FROM ABOUT 10 TO ABOUT 60% BY VOLUME OF THE NAPHTHENIC HYDROCARBON TO THE CONVERTED HYDROCARBON CHARGED TO THE RAIL REACTION ZONE OF SAID PLURALITY OF ZONES SUCH THAT THE NORMAL PARAFFIN IS CONTACTED WITH THE CATALYST FOR A TIME WITHIN THE RANGE FROM ABOUT 10 TO ABOUT 20 SECONDS AND SUCH THAT THE ISOOLEFIN IS CONTACTED WITH THE CATALYST FOR A TIME WITHIN THE RANGE FROM ABOUT 2 TO ABOUT 5 SECONDS WHEREBY ENHANCED YIELDS OF HIGH OCTANE HYDROCARBONS ARE OBTAINED.
Claim 2
Independent Claim
172 words
A METHOD FOR PRODUCING ENHANCED YIELDS OF HIGH OCTANE HYDROGEN IN WHICH A NAPHTHENIC HYDROCARBON FRACTION IS CHARGED IN SERIES TO A PLURALITY OF REACTION ZONES EACH CONTAUNUNG A BED OF SUPPORTED PLATINUM CATALYST AND MAINTAINED AT HYDROGEN C/NVERSION CONDITIONS WHICH COMPRISES ADDIING A NORMALPARAFFIN IN A SUFFICIENT AMOUNT WITHIN THE RANGE FROM ABOUT 10 TO ABOUT 60, BY VOLUME OF THE NAPHTHENIC HYDROCARBON TO THE NAPHTHENIC HYDROCARBON FEED TO THE LEAD REACTION ZONE OF SAID PLURALITY OF ZONES AND ADDING AN ISOOLEFIN IN A SUFFICIENT AMOUNT WITHIN THE RANGE FROM ABOUT 10 TO ABOUT 60% BY VOLUME OF THE NAPHTHENIC HYDROCARBON TO THE CONVERTED HYDROCARBON CHARGED TO THE RAIL REACTION ZONE OF SAID PLURALITY OF ZONES SUCH THAT THE NORMAL PARAFFIN IS CONTACTED WITH THE CATALYST FOR A TIME WITHIN THE RANGE FROM ABOUT 10 TO ABOUT 20 SECONDS AND SUCH THAT THE ISOOLEFIN IS CONTACTED WITH THE CATALYST FOR A TIME WITHIN THE RANGE FROM ABOUT 2 TO ABOUT 5 SECONDS WHEREBY ENHANCED YIELDS OF HIGH OCTANE HYDROCARBONS ARE OBTAINED.
References Cited (Backward Citations)
US2740751A
Cited
US2768126A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-22 | 1962-06-23 | 1962-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-22 | 1966-06-23 | 1966-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-22 | 1970-06-23 | 1970-12-23 | $7700.00 | Window Closed / Lapsed |