Patents by Inventor Yushin Takahashi

Yushin Takahashi 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 tertiary amine
    Patent number: 8481787
    Abstract: The present invention provides a method for producing a tertiary amine by using a secondary amine and an alcohol as starting materials to obtain a corresponding tertiary amine. The method of the present invention includes reacting a secondary amine with an alcohol in the presence of a catalyst, wherein the catalyst is previously used in the reaction of a primary amine with an alcohol to obtain a tertiary amine.
    Type: Grant
    Filed: December 20, 2010
    Date of Patent: July 9, 2013
    Assignee: Kao Corporation
    Inventors: Toru Nishimura, Wataru Nomura, Yushin Takahashi
  • METHOD FOR PRODUCING TERTIARY AMINE
    Publication number: 20120277470
    Abstract: The present invention provides a method for producing a tertiary amine by using a secondary amine and an alcohol as starting materials to obtain a corresponding tertiary amine. The method of the present invention includes reacting a secondary amine with an alcohol in the presence of a catalyst, wherein the catalyst is previously used in the reaction of a primary amine with an alcohol to obtain a tertiary amine.
    Type: Application
    Filed: December 20, 2010
    Publication date: November 1, 2012
    Applicant: KAO CORPORATION
    Inventors: Toru Nishimura, Wataru Nomura, Yushin Takahashi