Method for producing conjugated linoleic acid glycerides

Details Method for producing conjugated linoleic acid glycerides Method for producing conjugated linoleic acid glycerides

2007-02-20

2007-02-20

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...

Reexamination Certificate

active

10513314

ABSTRACT:
Processes for preparing conjugated fatty acid glycerides comprising: (a) isomerizing a fatty acid lower alkyl ester corresponding to the general formula (I) in the presence of a basic catalyst at a temperature of from 100 to 160° C., to form a conjugated fatty acid lower alkyl ester:in-line-formulae description="In-line Formulae" end="lead"?R1CO—OR2  (I)in-line-formulae description="In-line Formulae" end="tail"?wherein R1CO represents an acyl radical having from 16 to 22 carbon atoms and at least two carbon-carbon unsaturations and R2represents an alkyl radical having from 1 to 4 carbon atoms; and (b) transesterifying the conjugated fatty acid lower alkyl ester with glycerol to form a conjugated fatty acid glyceride, wherein a lower alkanol corresponding to the general formula R2OH is formed, wherein R2is as defined above, and the lower alkanol is continuously removed from the transesterification reaction; are described.

REFERENCES:
patent: 3162658 (1964-12-01), Wechmann et al.
patent: 6177580 (2001-01-01), Timmermann et al.
patent: 2001/0025113 (2001-09-01), Ageir et al.
patent: 197 18 245 (1998-07-01), None
patent: WO 03/022964 (2003-03-01), None

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