Patents by Inventor Kenichi Wakimura

Kenichi Wakimura 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).

  • Process for producing 4-bromothioanisole
    Patent number: 7041853
    Abstract: It is an object of the present invention to provide a process for producing highly pure 4-bromothioanisole, which is useful in the manufacture of medicinal chemicals, agrochemicals or functional materials, in a simple and industrially advantageous manner. The present invention is related to a process for producing 4-bromothioanisole which comprises adding an alcoholic solvent to a 4-bromothioanisole-containing product resulting from the reaction of thioanisole with bromine to cause crystallization of 4-bromothioanisole.
    Type: Grant
    Filed: March 21, 2001
    Date of Patent: May 9, 2006
    Assignee: Sumitomo Seika Chemicals Co., Ltd.
    Inventors: Kenichi Wakimura, Hitoshi Karino, Hirokazu Kagano
  • Process for producing 4-bromothioanisole
    Publication number: 20030166971
    Abstract: It is an object of the present invention to provide a process for producing highly pure 4-bromothioanisole, which is useful in the manufacture of medicinal chemicals, agrochemicals or functional materials, in a simple and industrially advantageous manner.
    Type: Application
    Filed: March 25, 2003
    Publication date: September 4, 2003
    Inventors: Kenichi Wakimura, Hitoshi Karino, Hirokazu Kagano