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:
Jan. 21, 2020
Filed:
Nov. 09, 2015
Jiangsu Hansoh Pharmaceutical Group Co., Ltd., Lianyungang, Jiangsu, CN;
Hongwei Tang, Lianyungang, CN;
Changan Sun, Lianyungang, CN;
Ruijun Wang, Lianyungang, CN;
Hengli Yuan, Lianyungang, CN;
Jiangsu Hansoh Pharmaceutical Group Co., Ltd., Lianyungang, Jiangsu, CN;
Abstract
The present invention relates to a crystal form of a potassium-competitive acid blocker, that is, 1-[5-(2-fluorophenyl)-1-(pyridine-3-sulfonyl)-1H-pyrrole-3-yl]-N-methyl methylamine fumaric acid salt (which is briefly referred to as a formula I) and a preparation method thereof. An X-ray powder diffraction characteristic peak thereof is shown in FIG.. The crystal form that is represented by formula I, provided in the present invention, is stable, reproducible, and is suitable for drug development.