Process for preparing conjugated linoleic acid

Details Process for preparing conjugated linoleic acid Process for preparing conjugated linoleic acid

2006-12-26

2006-12-26

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

07153989

ABSTRACT:
Trans-9,cis-11-octadecadienoic acid is produced by forming a urea inclusion complex with cis-linoleic acid, treating the complex with a catalytic amount of a base, and recovering the trans-9,cis-11 octadecadienoic acid. Tans-10,cis-12-octadecadienoic acid is produced by iodinating cis-linoleic acid at temperatures of about −5–20° C. A mixture of trans-9,cis-11 octadecadienoic acid and trans-10,cis-12-octadecadienoic acid comprising is produced by iodinating cis-linoleic acid at temperatures ranging from about 50 to about 90° C.

REFERENCES:
patent: 2838480 (1958-06-01), Swern et al.
patent: 4481145 (1984-11-01), Timms
patent: 4792418 (1988-12-01), Rubin et al.
patent: 6303547 (2001-10-01), Balasubramaniam
patent: 6602908 (2003-08-01), Seidel

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