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. 06, 2021
Filed:
Feb. 28, 2017
Jiangsu Hengrui Medicine Co., Ltd., Jiangsu, CN;
Yun Lu, Jiangsu, CN;
Xinhua Zhang, Jiangsu, CN;
Chenyang Wang, Jiangsu, CN;
Tonghui Liu, Jiangsu, CN;
Jiangsu Hengrui Medicine Co., Ltd., Jiangsu, CN;
Abstract
The present invention provides a method for preparing a pharmaceutical composition containing a pyrrolo-fused six-membered heterocyclic compound or a pharmaceutically acceptable salt thereof. Specifically, the invention provides a preparation method of a pharmaceutical composition, the method containing: mixing 5-(2-diethylamino-ethyl)-2-(5-fluoro-2-oxo-1,2-dihydro-indol-3-ylidene-methyl)-3-methyl-1,5,6,7-tetrahydro-pyrrolo[3,2-c]pyridin-4-one or a pharmaceutically acceptable salt thereof with at least one filler, and then granulating the mixture. The pharmaceutical composition of the invention features a rapid dissolution and good stability.