US2610977A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recovery of alcohols from hydrocarbon oils
Assignee: Standard Oil Development Co
•
Filing: 1947-12-06
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Granted: 1952-09-16
•
Expires: 1967-12-06
Abstract
No abstract record available.
Inventors
- 👤 Salvatore G Gallo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:50
CPC Classifications
C; C07; C07C; C07C29/00; C07C29/74; C07C29/76; C07C29/86
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A PROCESS FOR THE SEPARATION OF PREFERENTIALLY OIL-SOLUBLE ALIPHATIC ALCOHOLS FROM A SOLUTION THEREOF IN HYDROCARBONS WHICH COMPRISES EXTRACTING SAID SOLUTION WITH AN AQUEOUS ALIPHATIC ALCOHOL SOLVENT TO FORM A FIRST EXTRACT PHASE COMPRISING THE ALCOHOLS PHYSICALLY DISSOLVED IN THE AQUEOUS SOLVENT AND A FIRST RAFFINATE PHASE COMPRISING THE HYDROCARBONS, SEPARATING THE PHASES, CONTACTING THE FIRST EXTRACT PHASE WITH A LOW BOILING HYDROCARBON WHEREBY THE ALCOHOLS BECOME SEPARATED FROM THE AQUEOUS SOLVENT AND CONCENTRATE IN THE LOW BOILING HYDROCARBON FORMING A SECOND EXTRACT PHASE, SEPARATING THE AQUEOUS SOLVENT FROM THE SECOND EXTRACT PHASE, AND REMOVING THE LOW BOILING HYDROCARBON FROM THE SECOND EXTRACT PHASE.
Claim 2
Dependent Claim
104 words
A PROCESS FOR THE SEPARATION OF PREFERENTIALLY OIL-SOLUBLE ALIPHATIC ALCOHOLS FROM A SOLUTION THEREOF IN HYDROCARBONS WHICH COMPRISES EXTRACTING SAID SOLUTION WITH AN AQUEOUS ALIPHATIC ALCOHOL SOLVENT TO FORM A FIRST EXTRACT PHASE COMPRISING THE ALCOHOLS PHYSICALLY DISSOLVED IN THE AQUEOUS SOLVENT AND A FIRST RAFFINATE PHASE COMPRISING THE HYDROCARBONS, SEPARATING THE PHASES, CONTACTING THE FIRST EXTRACT PHASE WITH A LOW BOILING HYDROCARBON WHEREBY THE ALCOHOLS BECOME SEPARATED FROM THE AQUEOUS SOLVENT AND CONCENTRATE IN THE LOW BOILING HYDROCARBON FORMING A SECOND EXTRACT PHASE, SEPARATING THE AQUEOUS SOLVENT FROM THE SECOND EXTRACT PHASE, AND REMOVING THE LOW BOILING HYDROCARBON FROM THE SECOND EXTRACT PHASE.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-16 | 1956-03-17 | 1956-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-16 | 1960-03-17 | 1960-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-16 | 1964-03-17 | 1964-09-16 | $7700.00 | Window Closed / Lapsed |