发明名称 FREMGANGSMAADE TIL ADSKILLELSE AF DICARBOXYLSYRER
摘要 Mixtures of dicarboxylic acids are separated by subjecting an aqueous solution of the mixtures to membrane filtration, in which the pH of the solution is adjusted to such a value that the membrane is permeable to less than 5 % of the amount of substance used, relative to at least one component of the dicarboxylic acid mixture.
申请公布号 DK334488(A) 申请公布日期 1988.12.20
申请号 DK19880003344 申请日期 1988.06.17
申请人 HENKEL KOMMANDITGESELLSCHAFT AUF AKTIEN 发明人 WALDHOFF, HEINRICH;SCHINDLER, JOACHIM;VIEHWEG, HOLGER
分类号 C07C57/13;A42B3/10;B01D61/14;B01D61/16;B01D61/22;C07C51/00;C07C51/42;C07C55/02;C07C67/00;(IPC1-7):C07C51/42 主分类号 C07C57/13
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