Patents by Inventor Yukihiko Morimoto

Yukihiko Morimoto 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 reactivation of platinum group metal catalyst with aqueous alkaline and/or reducing solutions
    Patent number: 4228033
    Abstract: A method for reactivation of a platinum group metal catalyst which comprises treating the platinum group metal catalyst lowered in catalytic activity as the result of having been used for the catalytic reaction of hydrocarbons optionally containing an oxygen atom with at least one agent selected from an inorganic alkaline substance and a reducing substance in an aqueous medium.
    Type: Grant
    Filed: July 18, 1979
    Date of Patent: October 14, 1980
    Assignee: Osaka Gas Company, Limited
    Inventors: Kiaki Yamauchi, Yukihiko Morimoto, Toshikatu Sasaki, Katsumi Nakai
  • Method for reactivation of platinum group metal catalyst with aqueous alkaline and/or reducing solutions
    Patent number: 4190554
    Abstract: A method for reactivation of a platinum group metal catalyst which comprises treating the platinum group metal catalyst lowered in catalytic activity as the result of having been used for the catalytic reaction of hydrocarbons optionally containing an oxygen atom with at least one agent selected from an inorganic alkaline substance and a reducing substance in an aqueous medium.
    Type: Grant
    Filed: December 26, 1978
    Date of Patent: February 26, 1980
    Assignee: Osaka Gas Company, Ltd.
    Inventors: Kiaki Yamauchi, Yukihiko Morimoto, Toshikatu Sasaki, Katsumi Nakai
  • Method for reactivation of platinum group metal catalyst with aqueous alkaline and/or reducing solutions
    Patent number: 4147660
    Abstract: A method for reactivation of a platinum group metal catalyst which comprises treating the platinum group metal catalyst lowered in catalytic activity as the result of having been used for the catalytic reaction of hydrocarbons optionally containing an oxygen atom with at least one agent selected from an inorganic alkaline substance and a reducing substance in an aqueous medium.
    Type: Grant
    Filed: December 16, 1977
    Date of Patent: April 3, 1979
    Assignee: Osaka Gas Company, Ltd.
    Inventors: Kiaki Yamauchi, Yukihiko Morimoto, Toshikatu Sasaki, Katsumi Nakai