Patent number: 5359020
Abstract: Compositions comprisingA) compounds of formula I ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are identical or different and each is hydrogen or methyl, and X is a divalent organic radical comprising from 2 to 60 carbon atoms,B) compounds of formula II, III or IV ##STR2## wherein each of R.sub.11, R.sub.12 and R.sub.13, independently of the others, is a hydrogen atom or a C.sub.3 -C.sub.10 alkenyl group, at least one of the radicals R.sub.11 to R.sub.13 being an alkenyl group, ##STR3## wherein Q is a direct bond, methylene, 2,2-propylidene, --CO--, --O--, --S--, --SO-- or --SO.sub.2 -- and each of R.sub.14, R.sub.15, R.sub.16 and R.sub.17, independently of the others, is a hydrogen atom or a C.sub.3 -C.sub.10 alkenyl group, at least one of the radicals R.sub.14 to R.sub.17 being an alkenyl group, or ##STR4## wherein each of R.sub.18, R.sub.19, R.sub.20, R.sub.21, R.sub.22 and R.sub.23, independently of the others, is a hydrogen atom, C.sub.1 -C.sub.4 alkyl or C.sub.3 -C.sub.
Type:
Grant
Filed:
May 16, 1991
Date of Patent:
October 25, 1994
Assignee:
Ciba-Geigy Corporation
Inventors:
Rudolf Brunner, Rene Huwyler, Andreas Kramer