| http://www.w3.org/ns/prov#value | - d in an aqueous alkaline solution by interacting with an acid, the resinous compound as the component (B) having, in the molecule, two kinds of functional groups capable of reacting each with the other by dehydration or dealcoholation to form an ester linkage in the presence of an acid whereby the resinous compound is insolubilized in an aqueous alkaline solution. [0011] In particular, the resinou
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