US2560362A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acid extraction of mixed olefin hydrocarbons
Assignee: Standard Oil Development Co
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Filing: 1948-09-02
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Granted: 1951-07-10
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Expires: 1968-09-02
Abstract
No abstract record available.
Inventors
- 👤 Charles E Morrell
- 👤 Richard F Robey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:30
CPC Classifications
C; C07; C07C; C07C7/00; C07C7/148; C07C7/17; C07C7/171
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A PROCESS FOR THE RECOVERY OF ISOMERIC TERTIARY AND NORMAL MONO-OLEFIN COMPONENTS FROM ACID EXTRACTS CONTAINING BOTH DISSOLVED ISOMERIC TERTIARY AND NORMAL MONO-OLEFINS, WHICH COMPRISES DILUTING THE ACID EXTRACT TO AN ACID CONCENTRATION OF 50-70 WT. PER CENT ON A HYDROCARBON FREE BASIS, RECOVERING TERTIARY OLEFINS FROM THE EXTRACT BY CONTACTING THE DILUTED ACID EXTRACT IN A STRIPPING ZONE WITH A STRIPPING AGENT WITHOUT FURTHER DILUTION OF THE ACID EXTRACT, AND SUBSEQUENTLY RECOVERING NORMAL OLEFIN COMPONENTS FROM THE STRIPPED TERTIARY OLEFIN-FREE ACID EXTRACT.
Claim 2
Dependent Claim
83 words
A PROCESS FOR THE RECOVERY OF ISOMERIC TERTIARY AND NORMAL MONO-OLEFIN COMPONENTS FROM ACID EXTRACTS CONTAINING BOTH DISSOLVED ISOMERIC TERTIARY AND NORMAL MONO-OLEFINS, WHICH COMPRISES DILUTING THE ACID EXTRACT TO AN ACID CONCENTRATION OF 50-70 WT. PER CENT ON A HYDROCARBON FREE BASIS, RECOVERING TERTIARY OLEFINS FROM THE EXTRACT BY CONTACTING THE DILUTED ACID EXTRACT IN A STRIPPING ZONE WITH A STRIPPING AGENT WITHOUT FURTHER DILUTION OF THE ACID EXTRACT, AND SUBSEQUENTLY RECOVERING NORMAL OLEFIN COMPONENTS FROM THE STRIPPED TERTIARY OLEFIN-FREE ACID EXTRACT.
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) | 1954-07-09 | 1955-01-08 | 1955-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-09 | 1959-01-08 | 1959-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-09 | 1963-01-08 | 1963-07-10 | $7700.00 | Window Closed / Lapsed |