Patents by Inventor Sosuke Miyaoka

Sosuke Miyaoka 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 purifying a pyrazolinone derivative
    Patent number: 9296700
    Abstract: A method for purifying a pyrazolinone derivative comprising a step of mixing a solution containing a mixture containing the pyrazolinone derivative and a good solvent which can dissolve the pyrazolinone derivative with a poor solvent to crystallize the pyrazolinone derivative.
    Type: Grant
    Filed: June 1, 2010
    Date of Patent: March 29, 2016
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Ryo Hatano, Sosuke Miyaoka, Shinsuke Abe
  • Method for Purifying a Pyrazolinone Derivative
    Publication number: 20120071666
    Abstract: A method for purifying a pyrazolinone derivative comprising a step of mixing a solution containing a mixture containing the pyrazolinone derivative and a good solvent which can dissolve the pyrazolinone derivative with a poor solvent to crystallize the pyrazolinone derivative.
    Type: Application
    Filed: June 1, 2010
    Publication date: March 22, 2012
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Ryo Hatano, Sosuke Miyaoka, Shinsuke Abe