CN105859608B — 一种制备哌马色林半酒石酸盐晶型b的方法
Assigned to Chengdu Baiyu Pharmaceutical Co Ltd · Expires 2018-12-28 · 7y expired
What this patent protects
本发明公开了一种制备哌马色林半酒石酸盐晶型B的方法,包括以下步骤:将哌马色林半酒石酸盐加入到水中,溶解后,浓缩,干燥,即得哌马色林半酒石酸盐晶型B;其中,所述哌马色林半酒石酸盐与水的重量体积比为1:4~6g/ml。本发明方法采用无毒无害的水作为溶剂,成功地制备得到了哌马色林半酒石酸盐晶型B,而且,本发明方法简便、安全、环保,生产效率高,经济效益好,非常适合产业化生产。
USPTO Abstract
本发明公开了一种制备哌马色林半酒石酸盐晶型B的方法,包括以下步骤:将哌马色林半酒石酸盐加入到水中,溶解后,浓缩,干燥,即得哌马色林半酒石酸盐晶型B;其中,所述哌马色林半酒石酸盐与水的重量体积比为1:4~6g/ml。本发明方法采用无毒无害的水作为溶剂,成功地制备得到了哌马色林半酒石酸盐晶型B,而且,本发明方法简便、安全、环保,生产效率高,经济效益好,非常适合产业化生产。
Drugs covered by this patent
Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.
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