US Patent Issued to TAIHO PHARMACEUTICAL on Dec. 9 for "Crystal of pyrimidine compound" (Japanese Inventors)

ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,492,208, issued on Dec. 9, was assigned to TAIHO PHARMACEUTICAL Co. LTD. (Tokyo).

"Crystal of pyrimidine compound" was invented by Hiroyuki Nakamura (Ibaraki, Japan), Hiroyoshi Yamanaka (Ibaraki, Japan) and Takahiro Asai (Ibaraki, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A crystal of 7-((3R,5S)-1-acryloyl-5-methylpyrrolidin-3-yl)-4-amino-6-(cyclopropylethynyl)-N-((R)-1-phenylethyl)-7H-pyrrolo[2,3-d]pyrimidine-5-carboxamide (compound (I)), and a crystal thereof with an acid (salt crystal or co-crystal) are provided.There are provided: a type II crystal of compound (I) with fumaric acid, having characteristic peaks at three or more diffraction ...