| abstract |
The invention relates to hydroxylamine derivatives of the general formula ##STR1## in which A denotes a divalent connecting link, R 1 can be a hydrogen atom or a C 1 -C 4 alkyl group, Z stands for an n-valent organic radical, which contains a copolymerizable ethylenically unsaturated group, and n is an integer from 1 to 3, and salts thereof and copolymers thereof. |