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:
Apr. 21, 2020
Filed:
Jun. 15, 2017
Chia Tai Tianqing Pharmaceutical Group Co., Ltd., Lianyungang, CN;
Lianyungang Runzhong Pharmaceutical Co., Ltd., Lianyungang, CN;
Centaurus Biopharma Co., Ltd., Beijing, CN;
Zhou Zhou, Lianyungang, CN;
Aiming Zhang, Lianyungang, CN;
Xiquan Zhang, Lianyungang, CN;
Huadong Yao, Lianyungang, CN;
Abstract
The present application relates to the field of pharmaceutical chemistry. The application specifically relates to a crystal form A and crystal form B of a pyrrolopyrimidine (formula I) for preparing a JAK inhibitor. The application further relates to a method for preparing the crystal form A and crystal form B, a crystalline composition comprising the crystal form A or crystal form B, a pharmaceutical composition comprising the crystal form A, crystal form B, or crystalline composition, and a pharmaceutical application of the pharmaceutical composition, the crystal form A, and the crystal form B. The crystal form A and crystal form B of the application has the advantages of high purity, high crystallinity, and good stability.