Invention Grant
US09278902B2 Crystal form of prostaglandin analogue, and preparation method and use thereof
有权
前列腺素类似物的晶体形式及其制备方法和用途
- Patent Title: Crystal form of prostaglandin analogue, and preparation method and use thereof
- Patent Title (中): 前列腺素类似物的晶体形式及其制备方法和用途
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Application No.: US14371400Application Date: 2013-01-10
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Publication No.: US09278902B2Publication Date: 2016-03-08
- Inventor: Zhijun Tang , Yubin Liu , Bingming He , Jun Yang , Xiaoming Ji
- Applicant: Shanghai Techwell Biopharmaceutical Co., Ltd.
- Applicant Address: CN Shanghai
- Assignee: Shanghai Techwell Biopharmaceutical Co., Ltd.
- Current Assignee: Shanghai Techwell Biopharmaceutical Co., Ltd.
- Current Assignee Address: CN Shanghai
- Agency: Kilpatrick Townsend & Stockton LLP
- Priority: CN201210005635 20120110
- International Application: PCT/CN2013/070295 WO 20130110
- International Announcement: WO2013/104317 WO 20130718
- Main IPC: C07C59/72
- IPC: C07C59/72 ; C07C59/66
Abstract:
Provided are a crystal form B of a compound having the structure as represented by formula I, and preparation method and use thereof. The X-ray powder diffraction (XRPD) chart of the crystal form B has characteristic peaks at the following diffraction angles: 2.9±0.2°, 6.5±0.2°, 12.6±0.2°, 13.1±0.2° and 20.6±0.2°.
Public/Granted literature
- US20150011637A1 CRYSTAL FORM OF PROSTAGLANDIN ANALOGUE, AND PREPARATION METHOD AND USE THEREOF Public/Granted day:2015-01-08
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