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:
May. 01, 2018
Filed:
Dec. 22, 2015
Shenzhen Neptunus Pharmaceutical Research Institute Co., Ltd., Shenzhen, CN;
Tian Tang, Shenzhen, CN;
Feng Jin, Shenzhen, CN;
Yanqing Wang, Shenzhen, CN;
Jing Wu, Shenzhen, CN;
Xiarou Liu, Shenzhen, CN;
Jing'an Yang, Shenzhen, CN;
Hanlin Feng, Shenzhen, CN;
Lin Yu, Shenzhen, CN;
Abstract
Provided is a composition of N-[4-[(3-chloro-4-fluorophenyl)amino]-7-[3-(ethoxy)-6-quinazolinyl]-4-(dimethylamino)-2-butenamide p-toluene sulfonate 1.5 hydrate α-polymorph. The α-polymorph has a stable form, a defined melting point, a good chemical stability, and a good endurance to high temperature and light irradiation, and is suitable for pharmaceutical use.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile