Patent US3699035A successfully refreshed from Google Patents.
US3699035A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of gasoline by averaging and reforming
Assignee: Chevron USA Inc
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Filing: 1970-07-01
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Granted: 1972-10-17
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Expires: 1990-07-01
Abstract
Abstract A PROCESS FOR PRODUCING GASOLINE FROM A HEXANE-RICH HYDROCARBON FEED WHICH COMPRISES AVERAGING HEXANE WITH ONE OR MORE ALKANES SELECTED FROM THE GROUP CONSISTING OF PROPANE OR BUTANES OR C10+HYDROCARBONS OR MIXTURES OF THE FOREGOING HYDROCARBONS TO OBTAIN AT LEAST C7+HYDROCARBONS, AND CATALYTICALLY REFORMING THE C7+HYDROCARBONS TO OBTAIN REFORMATE. PREFERABLY AT LEAST A PORTION OF THE HYDROCARBONS AVERAGED WITH THE HEXANE IS RAFFINATE DERIVED FROM EXTRACTION FOLLOWING THE CATALYTIC REFORMING STEP. PREFERABLY, A PORTION OF THE N-PENTANE PRODUCED IN HEXANE AVERAGING IS ISOMERIZED TO ISOPENTANE.
Inventors
- 👤 Thomas R Hughes
- 👤 Robert P Sieg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:19
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/04; C10L1/06; C10G; C10G35/00; C10G35/04; C10G35/06; C10G35/085; C10G61/00; C10G61/02; C10G61/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-10-17 | 1976-04-17 | 1976-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-17 | 1980-04-17 | 1980-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-17 | 1984-04-17 | 1984-10-17 | $7700.00 | Window Closed / Lapsed |