US2626276A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recovery of organic oxygen-containing compounds from mixtures of hydrocarbon oils
Assignee: Standard Oil Development Co
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Filing: 1947-12-13
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Granted: 1953-01-20
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Expires: 1967-12-13
Abstract
No abstract record available.
Inventors
- 👤 Henry J Hibshman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:46
CPC Classifications
C; C07; C07C; C07C29/00; C07C29/74
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
AN IMPROVED PROCESS FOR THE SEPARATION OF PARAFFINIC HYDROCARBONS AND ALIPHATIC OXYGENATED COMPOUNDS PRODUCED BY THE CATALYST HYDROGENATION OF OXIDES OF CARBON WHICH COMPRISES SCRUBBING THE GASEOUS HYDROGENATION PRODUCTS WITH A SULFUR DIOXIDE-INSOLUBLE SUBSTANTIALLY NONAROMATIC HYDROCARBON TO FORM AN ABSORBATE CONTAINING THE HYDROCARBONS AND OXYGENATED COMPOUNDS FORMED IN THE HYDROGENATION REACTION, EXTRACTING THE ABSORBATE THEREFROM WITH LIQUID SULFUR DIOXIDE IN A COUNTERCURRENT OPERATION, SEPARATING AN EXTRACT PHASE CONTAINING THE OXYGENATED COMPOUNDS AND A RAFFINATE PHASE CONTAINING THE HYDROCARBONS PRODUCED BY THE HYDROGENATION REACTION, AND RECOVERING THE OXYGENATED COMPOUNDS FROM THE EXTRACT PHASE.
Claim 2
Dependent Claim
92 words
AN IMPROVED PROCESS FOR THE SEPARATION OF PARAFFINIC HYDROCARBONS AND ALIPHATIC OXYGENATED COMPOUNDS PRODUCED BY THE CATALYST HYDROGENATION OF OXIDES OF CARBON WHICH COMPRISES SCRUBBING THE GASEOUS HYDROGENATION PRODUCTS WITH A SULFUR DIOXIDE-INSOLUBLE SUBSTANTIALLY NONAROMATIC HYDROCARBON TO FORM AN ABSORBATE CONTAINING THE HYDROCARBONS AND OXYGENATED COMPOUNDS FORMED IN THE HYDROGENATION REACTION, EXTRACTING THE ABSORBATE THEREFROM WITH LIQUID SULFUR DIOXIDE IN A COUNTERCURRENT OPERATION, SEPARATING AN EXTRACT PHASE CONTAINING THE OXYGENATED COMPOUNDS AND A RAFFINATE PHASE CONTAINING THE HYDROCARBONS PRODUCED BY THE HYDROGENATION REACTION, AND RECOVERING THE OXYGENATED COMPOUNDS FROM THE EXTRACT PHASE.
References Cited (Backward Citations)
US1746641A
Cited
US1970535A
Cited
US1925525A
Cited
US2004131A
Cited
GB441104A
Cited
GB459189A
Cited
GB585352A
Cited
US2457257A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-20 | 1956-07-21 | 1957-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-20 | 1960-07-21 | 1961-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-20 | 1964-07-21 | 1965-01-20 | $7700.00 | Window Closed / Lapsed |