US2765356A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Distillation of hydrocarbons from solvent extract in the presence of water
Assignee: Union Oil Company of California
•
Filing: 1952-01-29
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Granted: 1956-10-02
•
Expires: 1972-01-29
Abstract
No abstract record available.
Inventors
- 👤 Davis A Skinner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:58
CPC Classifications
C; C07; C07C; C07C7/00; C07C7/10; C07C7/005; C07C7/04; C07C7/05; C07C7/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
26 words
A PROCESS FOR SEPARATING AN AROMATIC MONOCYLIC HYDROCARBON CONTAINING BETWEEN 6 AND 10 CARBONS ATOMS FROM A LYOPHLLIC SOLUTION THEREOF IN A SOLVENT HAVING THE FORMULA:
Claim 2
Dependent Claim
26 words
A PROCESS FOR SEPARATING AN AROMATIC MONOCYLIC HYDROCARBON CONTAINING BETWEEN 6 AND 10 CARBONS ATOMS FROM A LYOPHLLIC SOLUTION THEREOF IN A SOLVENT HAVING THE FORMULA:
References Cited (Backward Citations)
US2363158A
Cited
US2388834A
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US2415921A
Cited
US2439534A
Cited
US2568176A
Cited
US2568159A
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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) | 1959-10-02 | 1960-04-02 | 1960-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-02 | 1964-04-02 | 1964-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-02 | 1968-04-02 | 1968-10-02 | $7700.00 | Window Closed / Lapsed |