Patent ID: 6190825
Filing Date: 2001-02-20
Classification: C08F,G03F

Abstract:
A copolymer comprising 10 to 90 mol % of units of the formula 1 ##STR6##in whichR.sup.1, R.sup.2, R.sup.3, and R.sup.4 are identical or different and are selected from a hydrogen, a halogen atom, a hydroxyl, an alkoxy group, or an unsubstituted or substituted alkyl or aryl group, and is selected from a hydrogen atom, an alkyl group, an alkanoyl group, a group of the formula C(.dbd.NH)--NHR.sup.1, or an iso- or heterocyclic, saturated or unsaturated, unsubstituted or substituted radical having 1 to 20 carbon atoms, which may be linked to one another to form a monocyclic or bicyclic ring system having at least 3 carbon atoms, wherein the thiazolyl group is excluded; and90 to 10 mol % of one or more additional units.