method for the preparation of a new year that can be applied to a litho graphic pressure system.

摘要

A developer for use with a lithographic photo-sensitive medium of a polyether resin, comprising a compound of the formula: RO-CH2-CH2-O-kR1 or ROCH2CH2OR2 (wherein R represents an alkyl group with carbon number of 1 to 4, R1 represents hydrogen or an acyl group, R2 represents an acyl group with a carbon number of 2 to 5, and k represents an integer of 2 to 3).