Patent US2678320A successfully refreshed from Google Patents.
US2678320A
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Phosphatide preparations
Assignee: American Lecithin Co Inc
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Filing: 1949-02-25
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Granted: 1954-05-11
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Expires: 1969-02-25
Abstract
No abstract record available.
Inventors
- 👤 Scharf Erwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 04:15
CPC Classifications
A; A23; A23J; A23J7/00; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/03; Y10S516/05; Y10S516/905; Y10S516/907
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
46 words
A METHOD OF MAKING A PHOSPHATIDE-SULFONATED CASTOR OIL WHICH COMPRISES HEATING A PHOSPHATIDE AND A SULFONATED CASTOR OIL FOR ONE TO SIX HOURS AT 50* TO 150* C. THERE BEING ABOUT 1 TO 3 PARTS BY WEIGHT OF SULFONATED OIL FOR EACH ONE PART OF PHOSPHATIDE.
Claim 2
Independent Claim
46 words
A METHOD OF MAKING A PHOSPHATIDE-SULFONATED CASTOR OIL WHICH COMPRISES HEATING A PHOSPHATIDE AND A SULFONATED CASTOR OIL FOR ONE TO SIX HOURS AT 50* TO 150* C. THERE BEING ABOUT 1 TO 3 PARTS BY WEIGHT OF SULFONATED OIL FOR EACH ONE PART OF PHOSPHATIDE.
Claim 3
Dependent Claim
85 words
A PROCESS FOR FORMING A PHOSPHATIDE-SULFONATED FATTY GYLCERIDE COMPOUND WHICH COMPRISES HEATING A MIXTURE OF THE PHOSPHATIDS AND SULFONATED FATTY GLYCERIDE UNTIL THE RESULTANT COMBINATION GIVES A SLIGHTLY HAZY SOLUTION IN WATER AND THEN DILUTING WITH WATER AND FINALLY CLEARING THE SOLUTION BY ADDITION OF A SMALL AMOUNT OF A GLYCOL SAID COMPOUND BEING PREPARED BY HEATING AT 70 TO 100* C. FOR SEVERAL HOURS, 50 TO 150 PARTS BY WEIGHT OF THE SULFONATED FATTY GLYCERIDE BEING USED FOR EACH 50 PARTS OF THE PHOSPHATIDES.
Claim 4
Dependent Claim
85 words
A PROCESS FOR FORMING A PHOSPHATIDE-SULFONATED FATTY GYLCERIDE COMPOUND WHICH COMPRISES HEATING A MIXTURE OF THE PHOSPHATIDS AND SULFONATED FATTY GLYCERIDE UNTIL THE RESULTANT COMBINATION GIVES A SLIGHTLY HAZY SOLUTION IN WATER AND THEN DILUTING WITH WATER AND FINALLY CLEARING THE SOLUTION BY ADDITION OF A SMALL AMOUNT OF A GLYCOL SAID COMPOUND BEING PREPARED BY HEATING AT 70 TO 100* C. FOR SEVERAL HOURS, 50 TO 150 PARTS BY WEIGHT OF THE SULFONATED FATTY GLYCERIDE BEING USED FOR EACH 50 PARTS OF THE PHOSPHATIDES.
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) | 1957-05-10 | 1957-11-09 | 1958-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-10 | 1961-11-09 | 1962-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-10 | 1965-11-09 | 1966-05-11 | $7700.00 | Window Closed / Lapsed |