Patents by Inventor Akio Yayano

Akio Yayano has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • METHOD FOR PRODUCING 1, 2-DIHYDROPYRIDINE-2-ONE COMPOUND
    Publication number: 20100324297
    Abstract: The present inventions provide a method for commercially producing a 1,2-dihydropyridine-2-one compound represented by the following formula (III-a) wherein the ring A represents an optionally substituted 2-pyridyl group, the ring B represents an optionally substituted phenyl group, and the ring C represents an optionally substituted phenyl group. Further, the invention provides crystals of 3-(2-cyanophenyl)-5-(2-pyridyl)-1-phenyl-1,2-dihydropyridin-2-one and production processes therefore.
    Type: Application
    Filed: August 27, 2010
    Publication date: December 23, 2010
    Inventors: Itaru ARIMOTO, Satoshi Nagato, Yukiko Sugaya, Yoshio Urawa, Koichi Ito, Hiroyuki Naka, Takao Omae, Akio Yayano, Katsutoshi Nishiura