Patents by Inventor Tetsuaki Furushima

Tetsuaki Furushima 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 polyoxyalkylene triamine
    Patent number: 7161038
    Abstract: The present invention is a process for producing polyoxyalkylene triamine by bringing polyoxyalkylene triol having at its terminal a hydroxyl group into contact with ammonia and hydrogen in the presence of a catalyst comprising ruthenium metal at an amount of 0.5 to 20% by weight of the total of the catalyst, the ruthenium metal being carried on at least one carrier selected from alumina, silica, silica-alumina, titanium dioxide, and titanium dioxide-silica.
    Type: Grant
    Filed: July 23, 2004
    Date of Patent: January 9, 2007
    Assignee: Kao Corporation
    Inventors: Tetsuaki Furushima, Masaharu Jono
  • Process for producing polyoxyalkylene triamine
    Publication number: 20050027141
    Abstract: The present invention is a process for producing polyoxyalkylene triamine by bringing polyoxyalkylene triol having at its terminal a hydroxyl group into contact with ammonia and hydrogen in the presence of a catalyst comprising ruthenium metal at an amount of 0.5 to 20% by weight of the total of the catalyst, the ruthenium metal being carried on at least one carrier selected from alumina, silica, silica-alumina, titanium dioxide, and titanium dioxide-silica.
    Type: Application
    Filed: July 23, 2004
    Publication date: February 3, 2005
    Applicant: KAO CORPORATION
    Inventors: Tetsuaki Furushima, Masaharu Jono