US2510015A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of separating higher fatty acids
Assignee: Wilson and Co Inc
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Filing: 1946-04-01
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Granted: 1950-05-30
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Expires: 1966-04-01
Abstract
No abstract record available.
Inventors
- 👤 Norman V Feldpush
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:34
CPC Classifications
C; C11; C11C; C11C1/00; C11C1/007
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
81 words
A METHOD OF SEPARATING NORMALLY LIQUID UNSATURATED HIGHER FATTY ACIDS AND NORMALLY SOLID SATURATED FATTY ACIDS FROM A MIXTURE OF THE SAME WHICH COMPRISES CONTACTING PRECHILLED SOLIDIFIED PARTICLES OF SAID MIXTURE OF FATTY ACIDS HAVING A SIZE OF FROM ABOUT 10 TO 300 MESH WITH A SOLVENT THEREFOR AT A TEMPERATURE OF FROM 0*C. TO -10*C., THE TEMPERATURE OF PRECHILLING OF SAID PARTICLES BEING APPROXIMATELY THAT OF SUCH CONTACTING, AND SEPARATING UNDISSOLVED FATTY ACIDS FROM THE SOLUTION OF LIQUID FATTY ACIDS.
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) | 1953-05-29 | 1953-11-28 | 1954-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-29 | 1957-11-28 | 1958-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-29 | 1961-11-28 | 1962-05-30 | $7700.00 | Window Closed / Lapsed |