US2963527A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Isomerization of normal paraffins
Assignee: Phillips Petroleum Co
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Filing: 1957-09-13
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Granted: 1960-12-06
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Expires: 1977-09-13
Abstract
No abstract record available.
Inventors
- 👤 Paul H Johnson
- 👤 Jr King L Mills
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:31
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/22; C07C5/27; C07C5/2767; C07C5/2206; C07C5/2213; C07C5/2702; C07C5/2705; C07C5/277; C07C5/2772; C07C2521/00; C07C2521/02; C07C2521/04; C07C2523/00; C07C2523/70; C07C2523/76; C07C2523/84; C07C2523/85; C07C2523/88; C07C2523/882
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
THE ISOMERIZATION OF AN ISOMERIZABLE HYDROCARBON IN THE GASOLINE BOILING RANGE WHICH COMPRISES SUBJECTING SAID COMPOUND UNDER ISOMERIZING CONDITIONS TO THE ACTION OF AN ISOMERIZATION CATALYST PREPARED BY TREATING AN ALUMINA BASE WITH A FLUORIDE, IMPREGNATING SAID THUS TREATED BASE WITH COBALT-MOLYBDATE, DRYING, AND DEHYDRATING THE CATALYST THUS OBTAINED, SULFIDING THE SAME BY CONTACTING IT WITH A SULFUR-CONTAINING ORGANIC COMPOUND ADAPTED TO SULFIDE THE SURFACE OF THE CATALYST AND THEN REGENERATING SAID CATALYST IN A MIXTURE OF AIR AND NITROGEN AT A TEMPERATURE IN THE RANGE 900-1,050*F. PRIOR TO USE.
Claim 2
Dependent Claim
90 words
THE ISOMERIZATION OF AN ISOMERIZABLE HYDROCARBON IN THE GASOLINE BOILING RANGE WHICH COMPRISES SUBJECTING SAID COMPOUND UNDER ISOMERIZING CONDITIONS TO THE ACTION OF AN ISOMERIZATION CATALYST PREPARED BY TREATING AN ALUMINA BASE WITH A FLUORIDE, IMPREGNATING SAID THUS TREATED BASE WITH COBALT-MOLYBDATE, DRYING, AND DEHYDRATING THE CATALYST THUS OBTAINED, SULFIDING THE SAME BY CONTACTING IT WITH A SULFUR-CONTAINING ORGANIC COMPOUND ADAPTED TO SULFIDE THE SURFACE OF THE CATALYST AND THEN REGENERATING SAID CATALYST IN A MIXTURE OF AIR AND NITROGEN AT A TEMPERATURE IN THE RANGE 900-1,050*F. PRIOR TO USE.
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) | 1963-12-06 | 1964-06-06 | 1964-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-06 | 1968-06-06 | 1968-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-06 | 1972-06-06 | 1972-12-06 | $7700.00 | Window Closed / Lapsed |