The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 01, 2019
Filed:
Sep. 29, 2016
Hubei Bio-pharmaceutical Industrial Technological Institute Inc., Wuhan, Hubei, CN;
Humanwell Healthcare (Group) Co., Ltd., Wuhan, Hubei, CN;
Xuehai Wang, Hubei, CN;
Charles Z. Ding, Shanghai, CN;
Jie Shen, Hubei, CN;
Shuhui Chen, Shanghai, CN;
Lie Li, Hubei, CN;
Gang Li, Shanghai, CN;
Yong Xu, Hubei, CN;
Cailin Wang, Shanghai, CN;
Ronghua Tu, Hubei, CN;
Jimeng Wang, Shanghai, CN;
Yang Yue, Hubei, CN;
Biao Deng, Shanghai, CN;
Hailiang Chen, Hubei, CN;
Hui Liu, Shanghai, CN;
Wenjie Sun, Hubei, CN;
Cong Wang, Shanghai, CN;
Lu Huang, Hubei, CN;
Zheng Wang, Shanghai, CN;
Weidong Li, Shanghai, CN;
Abstract
Disclosed in the present invention are a salt type and crystal type of 4H-pyrazolo[1,5-alpha]benzimidazole compound and a preparation method and intermediate thereof. The 4H-pyrazolo[1,5-alpha]benzimidazole compound is represented by formula I: