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US4233397A Process for the preparation of coupler dispersions 失效
制备成色剂分散体的方法

Process for the preparation of coupler dispersions
摘要:
A process for preparing a coupler dispersion comprising contacting a coupler dispersion containing an auxiliary solvent with an auxiliary solvent carrying fluid medium through a hydrophobic macroporous film made of polytetrafluroethylene or polypropylene.
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