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:
Jul. 28, 2020
Filed:
Jan. 23, 2017
Jiangsu Hengrui Medicine Co., Ltd., Lianyungang, Jiangsu, CN;
Jiangsu Hengrui Medicine Co., Ltd., Lianyungang, Jiangsu, CN;
Abstract
The present invention provides a method for preparing a pharmaceutical composition containing a quinoline derivative or a salt thereof. Specifically, the invention provides a method for preparing a pharmaceutical composition containing (R,E)-N-(4-(3-chloro-4-(pyridin-2-ylmethoxy)phenylamino)-3-cyano-7-ethoxyquinolin-6-yl)-3-(1-methylpyrrolidin-2-yl)-propeneamide or a pharmaceutically acceptable salt thereof. The method uses a wetting agent containing at least one organic solvent for a wet granulation in a preparation process of the pharmaceutical composition. The pharmaceutical composition prepared using the method has a uniform distribution of grain sizes during the preparation process and a property of rapid and uniform dissolution.