Patent US2805269A successfully refreshed from Google Patents.
US2805269A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for isomerization of liquid hydrocarbons
Assignee: Phillips Petroleum Co
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Filing: 1951-05-22
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Granted: 1957-09-03
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Expires: 1971-05-22
Abstract
No abstract record available.
Inventors
- 👤 Norman C Carter
- 👤 John S Cromeans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:27
CPC Classifications
C; C10; C10G; C10G61/00; C10G61/02; C10G61/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
A PROCESS FOR THE PREPARATION IN IMPROVED YIELD OF A MOTOR FUEL HAVING IMPROVED OCTANE CHARCTERISTICS FROM AN ISOMERIZABLE HYDROCARBON FRACTION CONTAINING HYDROCARBONS SUITABLE AS COMPONENTS OF A MOTOR FUEL AND CONTAINING AT LEAST ONE OF AN AROMATIC HYDROCARBON AND A CYCLOPARAFFIN HYDROCARBON WHICH COMPRISES THE STEPS OF TREATING SAID HYDROCARBON FRACTION TO PROVIDE A PORTION RICH IN SAID AROMATIC HYDROCARBON AND CYCLOPARAFFINS HYDROCARBON AND A PORTION POOR IN SAID AROMATIC HYDROCARBON AND SAID CYCLOPARAFFINS HYDROCARBON AND ISOMERIZING THE SAID PORTION POOR IN SAID AROMATIC HYDROCARBON AND CYCLOPARAFFIN HYDROCARBON IN PRESENCE OF A MOLYBDENUM OXIDE CATALYST SUPPORTED UPON A MATERIAL SELECTED FROM THE GROUP CONSISTING OF ALUMINA AND SILICAALUMINA, AT A TEMPERATURE CONSISTING OF ALUMINA AND SILICAA PRESSURE IN THE RANGE 100 TO 950 P.S.I. A. AND A HYDROGEN TO HYDROCARBON MOL RATIO OF 0.03:1 TO 10:1.
Claim 2
Dependent Claim
137 words
A PROCESS FOR THE PREPARATION IN IMPROVED YIELD OF A MOTOR FUEL HAVING IMPROVED OCTANE CHARCTERISTICS FROM AN ISOMERIZABLE HYDROCARBON FRACTION CONTAINING HYDROCARBONS SUITABLE AS COMPONENTS OF A MOTOR FUEL AND CONTAINING AT LEAST ONE OF AN AROMATIC HYDROCARBON AND A CYCLOPARAFFIN HYDROCARBON WHICH COMPRISES THE STEPS OF TREATING SAID HYDROCARBON FRACTION TO PROVIDE A PORTION RICH IN SAID AROMATIC HYDROCARBON AND CYCLOPARAFFINS HYDROCARBON AND A PORTION POOR IN SAID AROMATIC HYDROCARBON AND SAID CYCLOPARAFFINS HYDROCARBON AND ISOMERIZING THE SAID PORTION POOR IN SAID AROMATIC HYDROCARBON AND CYCLOPARAFFIN HYDROCARBON IN PRESENCE OF A MOLYBDENUM OXIDE CATALYST SUPPORTED UPON A MATERIAL SELECTED FROM THE GROUP CONSISTING OF ALUMINA AND SILICAALUMINA, AT A TEMPERATURE CONSISTING OF ALUMINA AND SILICAA PRESSURE IN THE RANGE 100 TO 950 P.S.I. A. AND A HYDROGEN TO HYDROCARBON MOL RATIO OF 0.03:1 TO 10:1.
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) | 1960-09-02 | 1961-03-04 | 1961-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-02 | 1965-03-04 | 1965-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-02 | 1969-03-04 | 1969-09-03 | $7700.00 | Window Closed / Lapsed |