US2849318A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing dispersions of vegetal phosphatide fractions
Assignee: Akzo Nobel Paints LLC
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Filing: 1951-06-21
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Granted: 1958-08-26
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Expires: 1971-06-21
Abstract
No abstract record available.
Inventors
- 👤 Percy L Julian
- 👤 Herbert T Iveson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:39
CPC Classifications
A; A23; A23J; A23J7/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
THE METHOD OF PREPARISNG SEPARATE CONCENTRATED DISPERSIONS IN CARRIERS OF TH ALCOHOL-SOLUBLE MOIETY AND THE ALCOHOL-INSOLUBLE MOIETY OF CRUDE VEGETAL PHOSPHATIDES WHICH COMPRISES THE STEPS OF: EXTRACTING CRUDE VEGETAL PHOSPHATIDES WITH AN ALIPHATIC ALCOHOL HAVING UP TO 3 CARBONS AND SEPARATING THE CRUDE MATERIAL INTO AN ALCOHOLSOLUBLE MOIETY AND AN ALOCHOL-INSOSLUBLE MOIETY; THEREAFTER DISPERSING BOTHE SEPARASTED MOIETIES INTO SEPARATE CARRIERS SELECTED FROM THE GROUP CONSISTING OF ORGANIC SOLVENTS BOILING ABOVE ABOUT 150*C. AND GLYCERIDE OILS WHILE EACH MOIETY IS STILL WET WITHS THE ALIPHATIC ALCOHOL EMPLOYED IN SAID EXTRACTION AND SEPARATION, THE WEIGHT OF EACH MOIETYS BEING SUCH IN RELATION TO THE WEIGHT OF CARRIER EMPLOYED THAT THE MOIETY CONSTITUTES BETWEEN 50% AND 80% OF THE RESULTISNG DISPERSION BY WEIGHT, AND FINALLY HEATING BOTH DISPERSIONS TO REMOVE THE ALIPHATIC ALCOHOL THEREFROM AND TO RECOVER SEPARATE, HOMOGENEOUS, STABLE, DISPERSIONS OF THE SEPARATED MOIETIES.
Claim 2
Independent Claim
142 words
THE METHOD OF PREPARISNG SEPARATE CONCENTRATED DISPERSIONS IN CARRIERS OF TH ALCOHOL-SOLUBLE MOIETY AND THE ALCOHOL-INSOLUBLE MOIETY OF CRUDE VEGETAL PHOSPHATIDES WHICH COMPRISES THE STEPS OF: EXTRACTING CRUDE VEGETAL PHOSPHATIDES WITH AN ALIPHATIC ALCOHOL HAVING UP TO 3 CARBONS AND SEPARATING THE CRUDE MATERIAL INTO AN ALCOHOLSOLUBLE MOIETY AND AN ALOCHOL-INSOSLUBLE MOIETY; THEREAFTER DISPERSING BOTHE SEPARASTED MOIETIES INTO SEPARATE CARRIERS SELECTED FROM THE GROUP CONSISTING OF ORGANIC SOLVENTS BOILING ABOVE ABOUT 150*C. AND GLYCERIDE OILS WHILE EACH MOIETY IS STILL WET WITHS THE ALIPHATIC ALCOHOL EMPLOYED IN SAID EXTRACTION AND SEPARATION, THE WEIGHT OF EACH MOIETYS BEING SUCH IN RELATION TO THE WEIGHT OF CARRIER EMPLOYED THAT THE MOIETY CONSTITUTES BETWEEN 50% AND 80% OF THE RESULTISNG DISPERSION BY WEIGHT, AND FINALLY HEATING BOTH DISPERSIONS TO REMOVE THE ALIPHATIC ALCOHOL THEREFROM AND TO RECOVER SEPARATE, HOMOGENEOUS, STABLE, DISPERSIONS OF THE SEPARATED MOIETIES.
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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) | 1961-08-25 | 1962-02-24 | 1962-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-25 | 1966-02-24 | 1966-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-25 | 1970-02-24 | 1970-08-26 | $7700.00 | Window Closed / Lapsed |