Patent US2628981A successfully refreshed from Google Patents.
US2628981A
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Preparation of improved motor fuel
Assignee: Standard Oil Co
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Filing: 1947-11-29
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Granted: 1953-02-17
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Expires: 1967-11-29
Abstract
No abstract record available.
Inventors
- 👤 Donald E Burney
- 👤 Bernard H Shoemaker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:13
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/49; C07C45/50; C10; C10L; C10L1/00; C10L1/04; C10L1/06; Y; Y10; Y10S; Y10S585/00; Y10S585/929; Y10S585/943
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
IN A PROCESS FOR PRODUCING A SUPERIOR MOTOR FUEL FROM A SECONDARY OLEFIN-TERTIARY OLEFIN COPOLYMER, SAID COPOLYMER CONTAINING A SUBSTANTIAL PROPORTION OF GASOLINE-BOILING-RANGE COMPONENTS, THE STEPS WHICH COMPRISE CONTACTING SAID COPOLYMER WITH CARBON MONOXIDE AND HYDROGEN IN THE PRESENCE OF A CATALYST CONTAINING AS THE ACTIVE CONSTITUENT A METAL SELECTED FROM THE GROUP CONSISTING OF COBALT AND IRON UNDER CONDITIONS OF TEMPERATURE AND PRESSURE WHEREAT A PORTION, BUT NOT ALL, OF SAID GASOLINE-BOILING-RANGE COMPONENTS ARE CONVERTED INTO OXYGENATED DERIVATIVES, CONTACTING THE RESULTING REACTION PRODUCT WITH HYDROGEN UNDER HYDROGENATING CONDITIONS IN THE PRESENCE OF A CATALYST EFFECTIVE FOR THE HYDROGENATION OF THE UNCONVERTED PORTION OF SAID COPOLYMER, WHEREBY THE UNCOVERTED PORTION OF SAID GASOLINE-BOILING-RANGE COMPONENTS ARE CONVERTED INTO A SATURATED MOTOR FUEL OF IMPROVED SENSITIVITY AND PERFORMANCE NUMBER, AND SEPARATING SAID MOTOR FUEL THEREFROM.
Claim 2
Dependent Claim
133 words
IN A PROCESS FOR PRODUCING A SUPERIOR MOTOR FUEL FROM A SECONDARY OLEFIN-TERTIARY OLEFIN COPOLYMER, SAID COPOLYMER CONTAINING A SUBSTANTIAL PROPORTION OF GASOLINE-BOILING-RANGE COMPONENTS, THE STEPS WHICH COMPRISE CONTACTING SAID COPOLYMER WITH CARBON MONOXIDE AND HYDROGEN IN THE PRESENCE OF A CATALYST CONTAINING AS THE ACTIVE CONSTITUENT A METAL SELECTED FROM THE GROUP CONSISTING OF COBALT AND IRON UNDER CONDITIONS OF TEMPERATURE AND PRESSURE WHEREAT A PORTION, BUT NOT ALL, OF SAID GASOLINE-BOILING-RANGE COMPONENTS ARE CONVERTED INTO OXYGENATED DERIVATIVES, CONTACTING THE RESULTING REACTION PRODUCT WITH HYDROGEN UNDER HYDROGENATING CONDITIONS IN THE PRESENCE OF A CATALYST EFFECTIVE FOR THE HYDROGENATION OF THE UNCONVERTED PORTION OF SAID COPOLYMER, WHEREBY THE UNCOVERTED PORTION OF SAID GASOLINE-BOILING-RANGE COMPONENTS ARE CONVERTED INTO A SATURATED MOTOR FUEL OF IMPROVED SENSITIVITY AND PERFORMANCE NUMBER, AND SEPARATING SAID MOTOR FUEL THEREFROM.
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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) | 1956-02-17 | 1956-08-18 | 1957-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-17 | 1960-08-18 | 1961-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-17 | 1964-08-18 | 1965-02-17 | $7700.00 | Window Closed / Lapsed |