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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.:

US 12648937 B1

PDFFull Text
Date of Patent:
Jun. 09, 2026

Filed:

Oct. 26, 2020

Composition containing levamlodipine besylate hydrate and its preparation method

Applicants:

Shihuida Pharmaceuticals Group (Jilin) Ltd., Baishan, CN;

Beijing Wuwei Erchuang Technology Co., Ltd., Beijing, CN;

Inventors:

Huan Li, Shanghai, CN;

Fuqing Yao, Beijing, CN;

Xitian Zhang, Changchun, CN;

Assignees:

SHIHUIDA PHARMACEUTICALS GROUP (JILIN) LTD., Baishan, CN;

BEIJING WUWEI ERCHUANG TECHNOLOGY CO., LTD., Beijing, CN;

Attorney:

Banner & Witcoff, Ltd.

Primary Examiner:

Genevieve S Alley

Int. Cl.
CPC ...
A61K 31/4422 (2006.01); A61K 9/00 (2006.01); A61K 9/16 (2006.01); A61K 47/32 (2006.01); A61K 47/38 (2006.01);
U.S. Cl.
CPC ...
A61K 31/4422 (2013.01); A61K 9/0004 (2013.01); A61K 9/1676 (2013.01); A61K 47/32 (2013.01); A61K 47/38 (2013.01);
Abstract

The present invention relates to a composition comprising levamlodipine besylate hydrate and its production, pharmaceutical preparations and use, especially the composition of (S)-2-[(2-aminoethoxy)methyl]-4-(2-chlorophenyl)-6-methyl-1,4-dihydro-3,5-pyridinedicarboxylic acid-3-ethyl ester, 5-methyl ester benzenesulfonic acid hydrate and its production method and use. The composition of levamlodipine besylate crystallized in pure water and dried is easy for industrial production, has no organic solvent residue, good thermal stability and good dissolution amount in solid-form preparations.

Find Patent Forward Citations

Li, Huan. (2026). Composition containing levamlodipine besylate hydrate and its preparation method (U.S. Patent No. 12648937). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12648937

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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