Appeal No. 2005-1907 Page 2
Application No. 09/909,898
INTRODUCTION
The claims are directed to an anionic exchange membrane, a process for producing the
membrane, and solution treating apparatus employing the membrane. Claims 1 and 5 are
illustrative:
1. An anion exchange membrane comprising a resin phase which contains from 20 to
96 mass% of a polymer having repeating units represented by the following formula (1):
wherein A is a C3-8 alkylene group or an alkyleneoxyalkyl group having a total carbon
number of from 4 to 9, each of R1, R2 and R3 is a hydrogen atom, a C1-6 alkyl group or a
hydroxyalkyl group, and X- is an anion, and wherein any hydrogen atom bonded to the benzene
ring may be substituted by an alkyl group or a halogen atom, and from 4 to 80 mass% of a
thermoplastic polymer having no ion exchange groups, mixed substantially uniformly.
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Last modified: November 3, 2007