MUMBAI, India, Oct. 26 -- Intellectual Property India has published a patent application (202647122848 A) filed by Kyowa Kirin Co. , Ltd. on October 14, 2026, for Tivozanib Drug Substance And Method For Producing Same.
Inventors include Taga Masashi; Takahashi Shuhei; and Shamoto Otoka.
The application for the patent was published on October 23, 2026, under issue no. 43/2026.
Abstract: The present invention relates to a method for producing tivozanib hydrochloride crystalline form I and the like, the method comprising: a step A for obtaining tivozanib crystalline form II by solvent-mediated transformation of tivozanib hydrochloride crystalline form I; and a step B for obtaining tivozanib hydrochloride crystalline form I by solvent-mediat...