C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 55/02 (2006.01) C07C 51/34 (2006.01) C07C 51/43 (2006.01) C07C 55/18 (2006.01) C07C 231/12 (2006.01) C07C 231/24 (2006.01) C07C 233/36 (2006.01) C07C 235/74 (2006.01)
Patent
CA 2314943
A method is described for producing saturated dicarboxylic acids with a chain length of C6 to C21 or the corresponding diamidic dicarbvxylic acids from fatty acid cleavage of unsaturated fatty acids or the bis-fatty acid diamides of these unsaturated tatty acids by oxidative ozonolysis and subsequent separation and purification of the dicarboxylic acids, whereby after oxidative ozonolysis, the reaction products are dissolved at a high temperature in a carboxylic acid or a mixture of several carboxylic acids with a medium chain length of C6 to C12 or esters of short-chain alcohols of these carboxylic acids as the recrystallization solvent.
Frische Rainer
Hegwein Katja
Volkheimer Jurgen
Dr. Frische Gmbh
Macrae & Co.
T. + T. Oleochemie Gmbh
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