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.

Date of Patent:
Dec. 08, 2020

Filed:

Aug. 24, 2017
Applicants:

Chia Tai Tianqing Pharmaceutical Group Co., Ltd., Lianyungang, CN;

Lianyungang Runzhong Pharmaceutical Co., Ltd., Lianyungang, CN;

Centaurus Biopharma Co., Ltd., Beijing, CN;

Inventors:

Song Tang, Lianyungang, CN;

Yizhong Zhu, Lianyungang, CN;

Fei Liu, Lianyungang, CN;

Jie Zhou, Lianyungang, CN;

Zhilin Chen, Lianyungang, CN;

Hongjiang Xu, Lianyungang, CN;

Xin Tian, Lianyungang, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 401/12 (2006.01); C07C 57/145 (2006.01); C07C 51/41 (2006.01); A61K 31/517 (2006.01); A61P 35/00 (2006.01);
U.S. Cl.
CPC ...
C07D 401/12 (2013.01); A61K 31/517 (2013.01); A61P 35/00 (2018.01); C07C 51/41 (2013.01); C07C 57/145 (2013.01); C07B 2200/13 (2013.01);
Abstract

Disclosed are a crystal of a maleate of a compound of formula (I), a preparation method for the crystal, a crystallization composition of same, a pharmaceutical composition of same, and uses thereof in preventing and treating a tumor.


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