发明名称 |
COATING SOLUBLE OR SWELLABLE IN GASTRIC JUICE, AND ITS USE IN A PROCESS FOR COATING PHARMACEUTICAL PREPARATIONS |
摘要 |
Coating materials for pharmaceutical dosage forms contain, besides the conventional liquid or solid additives for pharmaceutical coatings, a binder comprising a synthetic polymer, prepared by emulsion polymerization, having 5 to 100% by weight of units derived from monomers of the formula <IMAGE> wherein R1 is a hydrogen atom or a lower alkyl group, R2 is an alkylene or aralkylene group having at least 3 carbon atoms in the chain between the amino nitrogen and the ester oxygen atom of which at least one is tertiary or quaternary, and R3 and R4 are lower alkyl radicals or together with the amino-nitrogen atom form a heteroaliphatic ring, and, optionally, additional comonomer units. |
申请公布号 |
EP0058765(B1) |
申请公布日期 |
1985.02.20 |
申请号 |
EP19810109502 |
申请日期 |
1981.11.04 |
申请人 |
ROHM GMBH |
发明人 |
MARKERT, GERHARD, DR.;DREHER, DIETER;LEHMANN, KLAUS, DR.;SIOL, WERNER, DR.;RAUCH, HUBERT |
分类号 |
A61K9/58;A61K9/28;A61K9/32;A61K47/32;(IPC1-7):A61K9/32 |
主分类号 |
A61K9/58 |
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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