发明名称 Wasserlösliche, flockbare und biologisch abbaubare Hydroxyalkylcellulose-2-hydroxycarbonsäureester
摘要 The invention relates to water-soluble biodegradable hydroxyalkyl cellulose-2-hydroxycarboxylic acid esters with a molecular degree of substitution of the hydroxyalkyl group of less than 1.5 (MShydroxyalkyl<1.5) and a molecular degree of substitution of the 2-hydroxycarboxylic acid group of greater then 0.4 and less than 3 (0.4<MS2-hydroxycarboxylic acid<3).
申请公布号 DE19731575(A1) 申请公布日期 1999.01.28
申请号 DE19971031575 申请日期 1997.07.23
申请人 WOLFF WALSRODE AG, 29699 BOMLITZ, DE 发明人 SIMON, JOACHIM, DIPL.-CHEM. DR., 40589 DUESSELDORF, DE;MUELLER, HANNS-PETER, DIPL.-CHEM. DR., 51519 ODENTHAL, DE;KOCH, RAINHARD, DIPL.-BIOL. DR., 51065 KOELN, DE;MUELLER, VOLKHARD, DIPL.-CHEM. DR., 29699 BOMLITZ, DE;ENGELHARDT, JUERGEN, DIPL.-CHEM. DR., 51373 LEVERKUSEN, DE;SZABLIKOWSKI, KLAUS, DIPL.-CHEM. DR., 29664 WALSRODE, DE;KOCH, WOLFGANG, DIPL.-CHEM. DR., 29699 BOMLITZ, DE
分类号 A61K8/73;A61Q19/00;C04B24/38;C08B11/20;C08B13/00;C09D7/00;C09D9/00;(IPC1-7):C08B13/00;C09D7/02;A61K7/48;C04B24/04 主分类号 A61K8/73
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