发明名称 TRAMADOL MULTIPLE UNIT FORMULATIONS AND PROCESS FOR PRODUCING THEM
摘要 A multiple unit formulation comprises similar or different retarded pellets comprising cores coated with tramadol or its salts, with one or more outer layers of material for delayed release applied over the coating.
申请公布号 HU9903053(A2) 申请公布日期 2000.01.28
申请号 HU19990003053 申请日期 1997.07.19
申请人 Asta Medica Aktiengesellschaft 发明人 KUHN, DIETER;MOMBERGER, HELMUT;RABER, MARC;SCHMID, WOLFGANG
分类号 A61P25/04;A61K9/22;A61K9/50;A61K9/52;A61K9/54;A61K9/60;A61K9/62;A61K31/135;A61K31/137;A61P29/00 主分类号 A61P25/04
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