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US09422437B2 Copolymer, aqueous ink, and ink cartridge 有权
共聚物,水性墨水和墨盒

Copolymer, aqueous ink, and ink cartridge
摘要:
A copolymer contains a structure unit represented by Chemical formula 1 and a structure unit represented by Chemical formula 2, where R represents a hydrogen atom or a methyl group, X represents a hydrogen atom or a cation, L1 and L2 each, independently represent alkylene groups having 2 to 18 carbon atoms.
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