Patents by Inventor Mari Nakatani

Mari Nakatani 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).

  • Imidazothiazole derivatives and process for producing the same
    Patent number: 7662841
    Abstract: The present invention relates to compounds of formula (I) and a process for producing the same. In formula (I), X represents a halogen atom, and R1 represents group —COR2 wherein R2 represents group OM or C1-12 alkyloxy wherein M represents a hydrogen atom, an alkali metal, an alkaline earth metal, or quaternary ammonium. The use of this compound as a synthetic intermediate can realize the production of carbapenem derivatives having potent antimicrobial activity in an efficient and safe manner at low cost.
    Type: Grant
    Filed: January 19, 2006
    Date of Patent: February 16, 2010
    Assignees: Meiji Seika Kaisha, Ltd., Sagami Chemical Research Center
    Inventors: Eiki Shitara, Kunio Atsumi, Keiichi Ajito, Shinya Ikeda, Tadashi Katoh, Munenori Inoue, Mari Nakatani
  • Imidazothiazole Derivatives and Process for Producing the Same
    Publication number: 20080114164
    Abstract: The present invention relates to compounds of formula (I) and a process for producing the same. In formula (I), X represents a halogen atom, and R1 represents group —COR2 wherein R2 represents group OM or C1-12 alkyloxy wherein M represents a hydrogen atom, an alkali metal, an alkaline earth metal, or quaternary ammonium. The use of this compound as a synthetic intermediate can realize the production of carbapenem derivatives having potent antimicrobial activity in an efficient and safe manner at low cost.
    Type: Application
    Filed: January 19, 2006
    Publication date: May 15, 2008
    Inventors: Eiki Shitara, Kunio Atsumi, Keiichi Ajito, Shinya Ikeda, Tadashi Katoh, Munenori Inoue, Mari Nakatani