Patent US2958645A successfully refreshed from Google Patents.
US2958645A
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Naphtha reforming process
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1956-12-31
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Granted: 1960-11-01
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Expires: 1976-12-31
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles Newton Kimberlin
- 👤 Mattox William Judson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:58
CPC Classifications
C; C10; C10G; C10G61/00; C10G61/02; C10G61/06; C10G25/00; C10G25/02; C10G25/03; C10G35/00; C10G35/04; C10G35/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A METHOD OF UPGRADING A WIDE BOILING RANGE LOW OCTANE NUMBER NAPHTHA INTO HIGH OCTANE NUMBER MOTOR FUELS IN HIGH YIELDS WHICH COMPRISES DISTILLING THE NAPHTHA BOILING IN THE RANGE OF ABOUT 125* TO 400*F. TO SEPARATE A LIGHT NAPHTHA FRACTION CONTAINING HYDROCARBON COMPONENTS BOILING UP TO ABOUT 200*F. FROM A HEAVY NAPHTHA FRACTION BOILING ABOVE 200*F., TREATING THE LIGHT NAPHTHA FRACTION WITH A MOLECULAR SIEVE OF THE 5 A. TYPE IN ORDER TO REMOVE RELATIVELY LOW OCTANE NUMBER, NORMAL
Claim 2
Independent Claim
80 words
A METHOD OF UPGRADING A WIDE BOILING RANGE LOW OCTANE NUMBER NAPHTHA INTO HIGH OCTANE NUMBER MOTOR FUELS IN HIGH YIELDS WHICH COMPRISES DISTILLING THE NAPHTHA BOILING IN THE RANGE OF ABOUT 125* TO 400*F. TO SEPARATE A LIGHT NAPHTHA FRACTION CONTAINING HYDROCARBON COMPONENTS BOILING UP TO ABOUT 200*F. FROM A HEAVY NAPHTHA FRACTION BOILING ABOVE 200*F., TREATING THE LIGHT NAPHTHA FRACTION WITH A MOLECULAR SIEVE OF THE 5 A. TYPE IN ORDER TO REMOVE RELATIVELY LOW OCTANE NUMBER, NORMAL
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) | 1963-11-01 | 1964-05-02 | 1964-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-01 | 1968-05-02 | 1968-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-01 | 1972-05-02 | 1972-11-01 | $7700.00 | Window Closed / Lapsed |