US Patent Issued to CHENGDU EASTON BIOPHARMACEUTICALS on May 12 for "Hydrate of VEGFR inhibitor, crystal form thereof and preparation method therefor" (Chinese Inventors)

ALEXANDRIA, Va., May 12 -- United States Patent no. 12,624,009, issued on May 12, was assigned to CHENGDU EASTON BIOPHARMACEUTICALS Co. LTD (Chengdu, China).

"Hydrate of VEGFR inhibitor, crystal form thereof and preparation method therefor" was invented by Leixin Wang (Chengdu, China), Huike Gu (Chengdu, China), Xiaochao Xian (Chengdu, China), Hong Chen (Chengdu, China) and Ying Wang (Chengdu, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A hydrate of a VEGFR inhibitor, a crystal form thereof and a preparation method therefor are provided. The VEGFR inhibitor is 6-(6,7-dimethoxyquinazolin-4-yl-oxy)-N,2-dimethylbenzofuran-3-carboxamide, and the hydrate and the crystal form thereof have good physicochem...