Patent ID: 6087414
Filing Date: 2000-07-11
Classification: B41J,C08G,C08L,G03F,Y10S

Abstract:
A process which comprises reacting a polymer of the formula ##STR91## wherein x is an integer of 0 or 1, A is ##STR92## or mixtures thereof, B is ##STR93## wherein v is an integer of from 1 to about 20, ##STR94## wherein z is an integer of from 2 to about 20, ##STR95## wherein u is an integer of from 1 to about 20, ##STR96## wherein w is an integer of from 1 to about 20, ##STR97## or mixtures thereof, and n is an integer representing the number of repeating monomer units, with (i) a formaldehyde source, and (ii) an unsaturated acid in the presence of an acid catalyst, thereby forming a photopatternable polymer with unsaturated ester groups.