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. 09, 2019
Filed:
Jul. 05, 2013
Guangzhou Baiyunshan Pharmaceutical Holdings Co., Ltd. Baiyunshan Pharmaceutical General Factory, Guangzhou, CN;
Guangzhou Institute of Respiratory Disease, Guangzhou, CN;
Mao Chen, Guangzhou, CN;
Shaoxuan Zhu, Guangzhou, CN;
Ping Wan, Guangzhou, CN;
Wei Wang, Guangzhou, CN;
Wei Liao, Guangzhou, CN;
Hairong Hu, Guangzhou, CN;
Xianglin Fu, Guangzhou, CN;
Jin Feng, Guangzhou, CN;
Binge Huang, Guangzhou, CN;
Lin Zhang, Guangzhou, CN;
Nanshan Zhong, Guangzhou, CN;
Jinping Zheng, Guangzhou, CN;
Hongying Mo, Guangzhou, CN;
Abstract
Disclosed are an S-(carboxymethyl)-cysteine pharmaceutical compound (I), and a preparation method and use thereof. Also disclosed are an S-(carboxymethyl)-D-cysteine ammonium salt monohydrate, and use thereof in preparation of medicines for preventing and treating respiratory system diseases such as chronic obstructive pulmonary diseases, in particular in preparation of expectorants. The compounds can reduce airway resistance and production of oxides in rat COPD models, increase the level of antioxidants, and alleviate damage caused by the oxides and inflammatory mediators to lungs.