US2824898A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Removal of soap from oxo bottoms by solid adsorbents
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1956-02-24
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Granted: 1958-02-25
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Expires: 1976-02-24
Abstract
No abstract record available.
Inventors
- 👤 Rhea N Watts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:58
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/49; C07C45/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
A METHOD OF TREATING AN OXYGENATED SOLVENT CONTAINING ALCOHOL AS A PRINCIPAL COMPONENT, SAID SOLVENT BEING CONTAMINATED WITH A MINOR AMOUNT OF PRECIPITATE-FORMING SOAP WHICH COMPRISES CONTACTING SAID SOLVENT WITH A SOLID ADSORBENT HAVING AN AVERAGE PORE DIAMETER BETWEEN ABOUT 60-110 A. TO SELECTIVELY ADSORB SAID SOAP AND SEPARATING THE SOAP FREE SOLVENT FROM THE ADSORBENT.
Claim 2
Independent Claim
56 words
A METHOD OF TREATING AN OXYGENATED SOLVENT CONTAINING ALCOHOL AS A PRINCIPAL COMPONENT, SAID SOLVENT BEING CONTAMINATED WITH A MINOR AMOUNT OF PRECIPITATE-FORMING SOAP WHICH COMPRISES CONTACTING SAID SOLVENT WITH A SOLID ADSORBENT HAVING AN AVERAGE PORE DIAMETER BETWEEN ABOUT 60-110 A. TO SELECTIVELY ADSORB SAID SOAP AND SEPARATING THE SOAP FREE SOLVENT FROM THE ADSORBENT.
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) | 1961-02-24 | 1961-08-26 | 1962-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-24 | 1965-08-26 | 1966-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-24 | 1969-08-26 | 1970-02-25 | $7700.00 | Window Closed / Lapsed |