Patents by Inventor Ryousuke Nishibata

Ryousuke Nishibata 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).

  • 2-oxetanone derivative and process for production thereof
    Patent number: 7999123
    Abstract: An aldehyde derivative represented by the general formula (2) is reacted with ketene in the presence of a Lewis acid catalyst to produce a novel 2-oxetanone derivative (1), which is then purified to a 2-oxetanone derivative having a high trans-isomer purity, and then converted to a vinyl derivative (3) through decarboxylation reaction.
    Type: Grant
    Filed: May 17, 2007
    Date of Patent: August 16, 2011
    Assignees: JNC Corporation, Chisso Petrochemical Corporation
    Inventors: Yasuo Urata, Shunji Oshima, Ryousuke Nishibata, Keiichi Kodaki, Hiroyuki Takeuchi, Shuichi Matsui
  • 2-OXETANONE DERIVATIVE AND PROCESS FOR PRODUCTION THEREOF
    Publication number: 20090275756
    Abstract: An aldehyde derivative represented by the general formula (2) is reacted with ketene in the presence of a Lewis acid catalyst to produce a novel 2-oxetanone derivative (1), which is then purified to a 2-oxetanone derivative having a high trans-isomer purity, and then converted to a vinyl derivative (3) through decarboxylation reaction.
    Type: Application
    Filed: May 17, 2007
    Publication date: November 5, 2009
    Applicants: CHISSO CORPORATION, CHISSO PETROCHEMICAL CORPORATION
    Inventors: Yasuo Urata, Shunji Oshima, Ryousuke Nishibata, Keiichi Kodaki, Hiroyuki Takeuchi, Shuichi Matsui