Patent US2580478A successfully refreshed from Google Patents.
US2580478A
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Combination process for the catalytic hydrodesulfurization and reforming of hydrocarbon mixtures
Assignee: Standard Oil Co
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Filing: 1949-05-28
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Granted: 1952-01-01
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Expires: 1969-05-28
Abstract
No abstract record available.
Inventors
- 👤 Harrison M Stine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:53
CPC Classifications
C; C10; C10G; C10G49/00; C10G49/007; C10G2400/00; C10G2400/02; C10G2400/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A PROCESS OF TREATING NAPHTHA AND GAS OIL FRACTIONS, WHICH COMPRISES REFORMING NAPHTHA TO FORM GASOLINE OF HIGHER OCTANE NUMBER AND PRODUCE A BY-PRODUCT GAS CONTAINING HYDROGEN AND GASEOUS HYDROCARBONS, SCRUBBING SAID REFORMED BY-PRODUCT GAS AT AN AMBIENT TEMPERATURE WITH GAS OIL FEED STOCK TO REMOVE GASEOUS HYDROCARBONS FROM THE GAS AND TO PROVIDE A HYDROGEN ENRICHED BY-PRODUCT GAS, SEPARATING AND HEATING THE GAS OIL FEED STOCK TO DRIVE OFF ABSORBED GASEOUS HYDROCARBONS, AND THEN HYDRODESULFURIZING THE HEATED GAS OIL FEED STOCK WITH SAID HYDROGEN ENRICHED BY-PRODUCT GAS.
Claim 2
Dependent Claim
88 words
A PROCESS OF TREATING NAPHTHA AND GAS OIL FRACTIONS, WHICH COMPRISES REFORMING NAPHTHA TO FORM GASOLINE OF HIGHER OCTANE NUMBER AND PRODUCE A BY-PRODUCT GAS CONTAINING HYDROGEN AND GASEOUS HYDROCARBONS, SCRUBBING SAID REFORMED BY-PRODUCT GAS AT AN AMBIENT TEMPERATURE WITH GAS OIL FEED STOCK TO REMOVE GASEOUS HYDROCARBONS FROM THE GAS AND TO PROVIDE A HYDROGEN ENRICHED BY-PRODUCT GAS, SEPARATING AND HEATING THE GAS OIL FEED STOCK TO DRIVE OFF ABSORBED GASEOUS HYDROCARBONS, AND THEN HYDRODESULFURIZING THE HEATED GAS OIL FEED STOCK WITH SAID HYDROGEN ENRICHED BY-PRODUCT GAS.
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) | 1954-12-31 | 1955-07-02 | 1956-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-31 | 1959-07-02 | 1960-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-31 | 1963-07-02 | 1964-01-01 | $7700.00 | Window Closed / Lapsed |