US2505752A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separation of organic compounds
Assignee: MW Kellogg Co
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Filing: 1947-06-19
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Granted: 1950-05-02
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Expires: 1967-06-19
Abstract
No abstract record available.
Inventors
- 👤 William P Burton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:18
CPC Classifications
C; C10; C10G; C10G21/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
135 words
A PROCESS FOR TREATING THE PRODUCT OF HYDROGENATION OF OXIDES OF CARBON WHEREIN SAID PRODUCT COMPRISES A MIXTURE OF HYDROCARBONS, WATERSOLUBLE AND OIL SOLUBLE OXYGENATED ORGANIC COMPOUNDS, SAID OXYGENATED COMPOUNDS COMPRISING ORGANIC ACIDS, ALDEHYDES AND OTHER NON-ACIDIC ORGANIC COMPOUNDS, WHICH COMPRISES COOLING SAID PRODUCT TO EFFECT SUBSTANTIAL CONDENSATION OF NORMALLY LIQUID COMPONENTS CONTAINED THEREIN TO FORM AN OIL PRODUCT LIQUID PHASE AND A WATER PRODUCT LIQUID PHASE, SEPARATING SAID PHASES, SEPARATING ACIDS FROM NON-ACIDIC COMPOUNDS, CONTAINED IN SAID WATER PRODUCT LIQUID PHASE TO PRODUCE A MIXTURE COMPRISING ALDEHYDES AND OTHER NON-ACIDIC ORGANIC COMPOUNDS, SEPARATING ALDEHYDES NOT HIGHER BOILING THAN PROPIONALDEHYDE FROM THE MIXTURE THUS PRODUCED, AND SUBJECTING SAID OIL PRODUCT LIQUID PHASE TO EXTRACTION TREATMENT WITH THE REMAINDER OF SAID LAST-MENTIONED MIXTURE TO OBTAIN A RAFFINATE COMPRISING HYDROCARBONS AND AN EXTRACT COMPRISING OXYGENATED ORGANIC COMPOUNDS.
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) | 1953-05-01 | 1953-10-31 | 1954-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-01 | 1957-10-31 | 1958-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-01 | 1961-10-31 | 1962-05-02 | $7700.00 | Window Closed / Lapsed |