US3097155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the conversion of paraffin hydrocarbons with isobutane utilizing hydrogen fluoride as a catalyst
Assignee: Sinclair Research Inc
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Filing: 1959-04-03
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Granted: 1963-07-09
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Expires: 1979-04-03
Abstract
No abstract record available.
Inventors
- 👤 Bernard S Friedman
- 👤 Robert P Zmitrovis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:36
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/22; C07C5/27; C07C5/2702; C07C5/271; C07C5/2718
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
80 words
IN A METHOD OF CONVERTING A STRAIGHT RUN HYDROCARBON PETROLEUM FRACTION BOILING IN THE MOTOR FUEL RANGE, THE STEPS WHICH COMPRISES CONTACTING SAID HYDROCARBON FRACTION WITH A PLATINUM METAL-ALUMINA CATALYST IN THE PRESENCE OF FREE HYDROGEN AT A TEMPERARTURE OF ABOUT 750 TO 1000*F. AND A PRESSURE OF ABOUT 50 TO 1000 P.S.I.G. TO PROVIDE A PRODUCT BOILING IN THE MOTOR FUEL RANGE WITH INCREASED OCTANE VALUE, SEPARATING FROM THIS PRODUCT PARAFFINIC HYDROCARBON BOILING IN THE C7+ MOTOR FUEL RANGE,
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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) | 1966-07-08 | 1967-01-07 | 1967-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-08 | 1971-01-07 | 1971-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-08 | 1975-01-07 | 1975-07-09 | $7700.00 | Window Closed / Lapsed |