Patent US2787647A successfully refreshed from Google Patents.
US2787647A
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Removal of alkali metals from viscous hydrocarbon liquids
Assignee: Phillips Petroleum Co
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Filing: 1949-06-23
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Granted: 1957-04-02
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Expires: 1969-06-23
Abstract
No abstract record available.
Inventors
- 👤 Willie W Crouch
- 👤 Ted F Crosnoe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:25
CPC Classifications
C; C07; C07C; C07C7/00; C07C7/148; C07C7/17; C08; C08C; C08C2/00; C08C2/02; C08C2/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
AN IMPROVED PROCESS FOR REMOVING ALKALI METAL FROM A LIQUID HYDROCARBON CONTAINING SAME AND INERT WITH RESPECT TO ACETIC ACID UNDER CONDITIONS OF THE SAID PROCESS, WHICH COMPRISES INTIMELY ADMIXING WITH SAID LIQUID ACETIC ACID IN AN AMOUNT BETWEEN 100 AND 200 PER CENT OF THAT STOICHOMETRICALLY EQUIVALENT TO SAID ALKALI METAL, SETTLING RESULTING REACTION PRODUCTS FROM SAID LIQUID, AND SEPARATING HYDROCARBON LIQUID FREED FROM ALKALI-METAL FROM SAID RESULTING REACTING PRODUCTS.
Claim 2
Dependent Claim
71 words
AN IMPROVED PROCESS FOR REMOVING ALKALI METAL FROM A LIQUID HYDROCARBON CONTAINING SAME AND INERT WITH RESPECT TO ACETIC ACID UNDER CONDITIONS OF THE SAID PROCESS, WHICH COMPRISES INTIMELY ADMIXING WITH SAID LIQUID ACETIC ACID IN AN AMOUNT BETWEEN 100 AND 200 PER CENT OF THAT STOICHOMETRICALLY EQUIVALENT TO SAID ALKALI METAL, SETTLING RESULTING REACTION PRODUCTS FROM SAID LIQUID, AND SEPARATING HYDROCARBON LIQUID FREED FROM ALKALI-METAL FROM SAID RESULTING REACTING PRODUCTS.
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) | 1960-04-01 | 1960-10-01 | 1961-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-01 | 1964-10-01 | 1965-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-01 | 1968-10-01 | 1969-04-02 | $7700.00 | Window Closed / Lapsed |