Patent ID: 6020528
Filing Date: 2000-02-01
Classification: B33Y,C07F,C08F,C09D,G03F,Y10S

Abstract:
A compound of formula I ##STR25## in which R.sub.1 is C.sub.1 -C.sub.4 alkyl,R.sub.2 is hydrogen, methyl or C.sub.1 -C.sub.4 alkoxy,R.sub.3, R.sub.5 and R.sub.7 independently of one another are hydrogen, halogen, C.sub.1 -C.sub.20 alkyl, cyclopentyl, cyclohexyl, C.sub.2 -C.sub.12 alkenyl, or are phenyl-substituted C.sub.1 -C.sub.4 alkyl, or are phenyl which is unsubstituted or mono- or di-substituted by C.sub.1 -C.sub.4 alkyl and/or C.sub.1 -C.sub.4 alkoxy, andR.sub.4 and R.sub.6 independently of one another are hydrogen, halogen, cyclopentyl, cyclohexyl, C.sub.2 -C.sub.12 alkenyl, or are phenyl-substituted C.sub.1 -C.sub.4 alkyl, or are phenyl which is unsubstituted or mono- or di-substituted by C.sub.1 -C.sub.4 alkyl and/or C.sub.1 -C.sub.4 alkoxy, andwith the proviso that at least one of the radicals R.sub.3, R.sub.4, R.sub.5, R.sub.6 and R.sub.7 is other than hydrogen, and that, if R.sub.1 and R.sub.2 are methyl, R.sub.5 is not methyl.