发明名称 PROCESS FOR PREPARING STERILE BRINZOLAMIDE
摘要 Process of preparing sterile brinzolamide using ethylene-oxide gas sterilisation, sterile brinzolamide obtainable by said process and pharmaceutical compositions comprising said sterile brinzolamide.
申请公布号 US2015065493(A1) 申请公布日期 2015.03.05
申请号 US201314385232 申请日期 2013.03.15
申请人 AZAD Pharmaceutical Ingredients AG 发明人 Khov-Tran Van Van;Porstmann Frank;Ondracek Jan;Grams Gregory
分类号 A61L2/18;A61K31/542 主分类号 A61L2/18
代理机构 代理人
主权项 1. A process for sterilizing an active pharmaceutical ingredient (API) comprising the steps of (i) providing a API product, and (ii) contacting said API product with ethylene oxide, under conditions that at most 0.5% by weight of degradation products are formed during step (ii),wherein the concentration of ethylene oxide in step (ii) is in the range of 300-450 mg/1, and wherein the contacting time in step (ii) is in the range of 20-100 minutes.
地址 Schaffhausen CH