Patent ID: 9182664
Filing Date: 2015-11-10
Classification: C07C,C08F,G03F

Abstract:
1. A sulfonate resin having a repeating unit of the following general formula (3): where X each independently represents a hydrogen atom or a fluorine atom; n represents an integer of 1 to 10; R 1 represents a hydrogen atom, a halogen atom, a C 1 -C 3 alkyl group or a C 1 -C 3 fluorine-containing alkyl group; R 2 represents either R A O or R B R C N; R A , R B and R C each independently represents a hydrogen atom, a C 1 -C 20 alkyl group, a C 2 -C 20 alkenyl group, a C 2 -C 20 oxoalkyl group, a C 6 -C 18 aryl group, a C 6 -C 18 aralkyl group or a C 3 -C 30 lactone group; R B and R C may be bonded to each other to form a 3- to 18-membered heterocyclic ring with a nitrogen atom in R B R C N; any of hydrogen atoms on carbons in R A , R B and R C may be substituted with a substituent; and M + represents a monovalent cation.