US2651654A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of hydrocarbon synthesis naphtha
Assignee: Standard Oil Development Co
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Filing: 1949-01-21
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Granted: 1953-09-08
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Expires: 1969-01-21
Abstract
No abstract record available.
Inventors
- 👤 Boyd N Hill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:07
CPC Classifications
C; C07; C07C; C07C9/00; C07C9/14; C10; C10G; C10G53/00; C10G53/02; C10G53/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
A METHOD FOR REMOVING CONTAMINATING COMPOUNDS FROM A NAPHTHA FRACTION OBTAINED BY CONTACTING A GASEOUS MIXTURE OF CARBON MONOXIDE AND HYDROGEN WITH A SUITABLE CATALYST UNDER CONVERSION CONDITIONS TO FORM A MIXTURE OF HYDROCARBONS AND OXYGENATED ORGANIC COMPOUNDS WHICH COMPRISES WASHING A CONTAMINATED NAPHTHA FRACTION CONSISTING OF SAID MIXTURE OF HYDROCARBONS AND OXYGENATED ORGANIC COMPOUNDS WITH AN AQUEOUS SOLUTION OF AN ALXXX METAL HYDROXIDE, REMOVING SAID AQUEOUS SOLUTION FROM CONTACT WITH SAID NAPHTHA FRACTION CONTACTING THE WASHED NAPHTHA FRACTION WITH AN ALCOHOLIC SOLUTION CONTAINING NO MORE THAN 30% OF WATER IN WHICH HAS BEEN DISSOLVED A TREATING REAGENT SELECTED FROM THE CLASS CONSISTING OF HYDROXYLAMINE AND ITS INORGANIC SALTS IN AN AMOUNT WIHTIN THE RANGE OF .2 TO 2 PARTS OF ALCO-
Claim 2
Independent Claim
122 words
A METHOD FOR REMOVING CONTAMINATING COMPOUNDS FROM A NAPHTHA FRACTION OBTAINED BY CONTACTING A GASEOUS MIXTURE OF CARBON MONOXIDE AND HYDROGEN WITH A SUITABLE CATALYST UNDER CONVERSION CONDITIONS TO FORM A MIXTURE OF HYDROCARBONS AND OXYGENATED ORGANIC COMPOUNDS WHICH COMPRISES WASHING A CONTAMINATED NAPHTHA FRACTION CONSISTING OF SAID MIXTURE OF HYDROCARBONS AND OXYGENATED ORGANIC COMPOUNDS WITH AN AQUEOUS SOLUTION OF AN ALXXX METAL HYDROXIDE, REMOVING SAID AQUEOUS SOLUTION FROM CONTACT WITH SAID NAPHTHA FRACTION CONTACTING THE WASHED NAPHTHA FRACTION WITH AN ALCOHOLIC SOLUTION CONTAINING NO MORE THAN 30% OF WATER IN WHICH HAS BEEN DISSOLVED A TREATING REAGENT SELECTED FROM THE CLASS CONSISTING OF HYDROXYLAMINE AND ITS INORGANIC SALTS IN AN AMOUNT WIHTIN THE RANGE OF .2 TO 2 PARTS OF ALCO-
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) | 1956-09-07 | 1957-03-09 | 1957-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-07 | 1961-03-09 | 1961-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-07 | 1965-03-09 | 1965-09-08 | $7700.00 | Window Closed / Lapsed |