发明名称 |
AN ORGANOSOLUBLE CHITOSAN DERIVATIVE, PREPARATION AND USE THEREOF |
摘要 |
Novel organosoluble derivatives of chitosan, useful in coating biologically active feedstuff additives intended for ruminants, to provide coatings which are stable at a pH greater than 5 and which release the biologically active substance at a pH below 3.5, consist of a random chain of units represented by the formulae: <IMAGE> in which: R1 represents an alkylcarbonyl radical (2 to 4 carbon atoms), R2 represents an alkyl radical (2 to 21 carbon atoms) or an optionally substituted phenyl radical, and R3 and R4 represent a hydrogen atom or alkylcarbonyl radicals (2 to 4 carbon atoms). |
申请公布号 |
NZ231575(A) |
申请公布日期 |
1992.04.28 |
申请号 |
NZ19890231575 |
申请日期 |
1989.11.29 |
申请人 |
RHONE-POULENC SANTE |
发明人 |
FRANZONI, CHRISTINE;GAGNIEU, CHRISTIAN;PORTE, HUGUES |
分类号 |
A23K1/18;A23K1/00;A23K1/16;A61K8/72;A61K8/73;A61K9/50;A61K31/715;A61K47/36;A61Q19/00;B01J13/02;C08B37/08;D06M15/03 |
主分类号 |
A23K1/18 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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