Polymorphic forms of icotinib maleate and uses thereof

US9505774B2 · kind B2 · utility

Assignee

• Betta Pharmaceuticals Co., Ltd · CN

Inventors

• Shaojing Hu · Beijing, CN
• Wei Long · Beijing, CN
• Fei Wang · Beijing, CN
• Yinxiang Wang · Beijing, CN
• Lieming DING · Zhejiang, CN

Key dates

• Filing date: Jun 9, 2014
• Grant date: Nov 29, 2016
• Expiry date: Jun 9, 2034

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07B2200/13
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

Provided are Icotinib maleate (the compound of Formula I) and polymorph forms thereof, and methods of preparing and using them.