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:
Aug. 13, 2019
Filed:
Aug. 09, 2018
Chia Tai Tianqing Pharmaceutical Group Co., Ltd., Lianyungang, CN;
Lulu Wang, Lianyungang, CN;
Jianqiu Tang, Lianyungang, CN;
Yizhong Zhu, Lianyungang, CN;
Fei Liu, Lianyungang, CN;
Yan Zhu, Beijing, CN;
Chuanyu Zhang, Beijing, CN;
Limin Yang, Beijing, CN;
CHIA TAI TIANQING PHARMAEUTICAL GROUP CO., LTD., Lianyungang, Jiangsu Province, CN;
Abstract
The disclosure relates to a crystal of an aniline pyrimidine compound of trifluoroethyl substituted indole and a salt thereof as an EGFR inhibitor, specifically relates to a crystal of a compound represented by formula I, a crystal of monomethyl sulfonate of the compound represented by formula I or a crystal of dimethyl sulfonate of the compound represented by formula I, and further relates to a method for preparing the crystal, a crystalline composition comprising the crystal, or a pharmaceutical composition comprising the crystal or a crystalline composition thereof, and a medical use thereof.