Method for stabilizing isothiazolinones

Details Method for stabilizing isothiazolinones Method for stabilizing isothiazolinones

C - Chemistry, Metallurgy

07

D

167/9.2, 260/310

C07D 275/02 (2006.01) A01N 25/22 (2006.01) A01N 43/80 (2006.01) C07D 275/03 (2006.01)

Patent

CA 1338821

A method is disclosed, for stabilizing isothiszolinones of the formula (1): Image (1) wherein X represents hydrogen or a halogen, Y is an alkyl, alkenyl, cycloalkyl, aralkyl or aryl group and R is hydrogen, halogen or an alkyl radical, which comprises adding to a composition containing a 3- isothiazolinone or two or more 3-isothiazolinones a stabilizing effective amount of a stabilizing compound of the formula (3): Image (3) wherein: R, R1 and R2 each independently represents hydrogen, a straight-chained or branched or cyclic alkyl radical, aralkyl or aryl; A is oxygen or nitrogen; Z represents ARx, R1, R2, alkoxy methylene, methylene or alkylidene; n=1 or 2; x=1 or 2; and y=1 or 2; or a derivative thereof.

572830

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