Method for producing a fatty acid

Details Method for producing a fatty acid Method for producing a fatty acid

2005-01-11

2005-01-11

Carr, Deborah D. (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Fatty compounds having an acid moiety which contains the...

C554S211000

Reexamination Certificate

active

06841692

ABSTRACT:
The present invention provides a method for separating a saturated fatty acid and an unsaturated fatty acid from a mixture of fatty acids by a dry fractionation process with a superior efficiency. Namely, the present invention provides a method for producing a saturated fatty acid or an unsaturated fatty acid comprising a dry fractionation process to fractionate a saturated fatty acid and an unsaturated fatty acid in a raw fatty acids mixture by adding a polyglycerol ester of fatty acid to the raw fatty acids mixture, wherein the polyglycerol ester of fatty acid has a clear melting point (y) satisfying the following formula (1):in-line-formulae description="In-line Formulae" end="lead"?0.38x+13≦y≦0.54x+44  (1)in-line-formulae description="In-line Formulae" end="tail"?wherein x is a ratio (% by mass) of saturated fatty acids (C12to C22) in raw fatty acids, and y is a clear melting point (° C.) of a polyglycerol ester of fatty acid.

REFERENCES:
patent: 5952518 (1999-09-01), Sugiura et al.

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