Patents by Inventor Atusi Watanabe

Atusi Watanabe 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 alcohol and/or ketone
    Patent number: 7291755
    Abstract: The present invention relates to a method for producing an alcohol and/or a ketone from a corresponding alkene(s) in a gas phase in the presence of water vapor by the use of an oxide catalyst. According to the present invention, there is provided a method for producing an alcohol and/or a ketone by bringing a starting material containing an alkene(s), as a gas phase into contact with an oxide catalyst in the presence of water vapor to carry out the reaction, wherein the oxide catalyst satisfies the following requirements: (a) it comprises an oxide(s) of molybdenum and/or tin, and (b) the amount of carbonaceous substances accumulated on the oxide catalyst is controlled to be within a range of 0.1 to 10% by mass, during the reaction.
    Type: Grant
    Filed: December 25, 2003
    Date of Patent: November 6, 2007
    Assignee: Asahi Kasei Chemicals Corporation
    Inventors: Takashi Tsunoda, Kenji Akagishi, Atusi Watanabe
  • Process for producing alcohol and/or ketone
    Publication number: 20060173220
    Abstract: The present invention relates to a method for producing an alcohol and/or a ketone from a corresponding alkene(s) in a gas phase in the presence of water vapor by the use of an oxide catalyst. According to the present invention, there is provided a method for producing an alcohol and/or a ketone by bringing a starting material containing an alkene(s), as a gas phase into contact with an oxide catalyst in the presence of water vapor to carry out the reaction, wherein the oxide catalyst satisfies the following requirements: (a) it comprises an oxide(s) of molybdenum and/or tin, and (b) the amount of carbonaceous substances accumulated on the oxide catalyst is controlled to be within a range of 0.1 to 10% by mass, during the reaction.
    Type: Application
    Filed: December 25, 2003
    Publication date: August 3, 2006
    Inventors: Takashi Tsunoda, Kenji Akagishi, Atusi Watanabe