US2935545A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydroisomerization process
Assignee: Universal Oil Products Co
•
Filing: 1958-04-30
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Granted: 1960-05-03
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Expires: 1978-04-30
Abstract
No abstract record available.
Inventors
- 👤 Herman S Bloch
- 👤 Haensel Vladimir
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:53
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/22; C07C5/27; C07C5/2767; C07C5/277; C07C5/2778; C07C5/2786; C07C5/2702; C07C5/271; C07C5/2718; C07C5/2724; C07C5/2791; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/582
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A PROCESS FOR THE HYDROISOMERIZATION OF AN ISOMERIZABLE HYDROCARBON WHICH COMPRISES CONTACTING SAID ISOMERIZABLE HYDROCARBON AND HYDRPGEN AT HYDRPISOMERIZATION CONDITIONS AND A MOLAR RATIO OF HYDROGEN TO HYDROCARBON OF FROM ABOUT 0.25 TO TO ABOUT 10 WITH A CATALYST PREPARED BY REACTING BORON TRIFLUORIDE WITH A REFRACTORY OXIDE CONTAINING CHEMICALLY COMBINED HYDROXYL GROUPS, WHICH OXIDE HAS BEEN COMPOSITED PREVIOUSLY WITH AN INORGANIC HYDROGENATION COMPONENT AND CALCINED, SAID REACTION BEING CONTROLLED TO FROM AT LEAST 0.5 MOL BUT NOT MORE THAN 2.0 MOLS OF HYDROGEN FLUORIDE PER MOL OF BORON TRIFLUORIDE ADSORBED ON THE CARALYST.
Claim 2
Dependent Claim
94 words
A PROCESS FOR THE HYDROISOMERIZATION OF AN ISOMERIZABLE HYDROCARBON WHICH COMPRISES CONTACTING SAID ISOMERIZABLE HYDROCARBON AND HYDRPGEN AT HYDRPISOMERIZATION CONDITIONS AND A MOLAR RATIO OF HYDROGEN TO HYDROCARBON OF FROM ABOUT 0.25 TO TO ABOUT 10 WITH A CATALYST PREPARED BY REACTING BORON TRIFLUORIDE WITH A REFRACTORY OXIDE CONTAINING CHEMICALLY COMBINED HYDROXYL GROUPS, WHICH OXIDE HAS BEEN COMPOSITED PREVIOUSLY WITH AN INORGANIC HYDROGENATION COMPONENT AND CALCINED, SAID REACTION BEING CONTROLLED TO FROM AT LEAST 0.5 MOL BUT NOT MORE THAN 2.0 MOLS OF HYDROGEN FLUORIDE PER MOL OF BORON TRIFLUORIDE ADSORBED ON THE CARALYST.
References Cited (Backward Citations)
US2351577A
Cited
US2748090A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-03 | 1963-11-02 | 1964-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-03 | 1967-11-02 | 1968-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-03 | 1971-11-02 | 1972-05-03 | $7700.00 | Window Closed / Lapsed |