Patents by Inventor Yasuhiro HOSAGI

Yasuhiro HOSAGI 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).

  • Publication number: 20230330636
    Abstract: Provided is a method for producing an ethyl acetate production catalyst that has high producibility and exceptional catalytic performance, the catalyst being such that a heteropolyacid and/or a salt thereof is carried near the surface of a carrier. A method for producing an ethyl acetate production catalyst, the method including, in the stated order: (1) an impregnation step in which a silica carrier is impregnated with an aqueous solution of a heteropolyacid or a salt thereof, constituting 80-105 vol % of the saturation absorption capacity of the carrier, to form an impregnated body; and (2) a drying step in which the impregnated body is dried at a fixed-rate drying speed of 5-300 gH2O/kgsupcat·min.
    Type: Application
    Filed: August 23, 2021
    Publication date: October 19, 2023
    Applicant: Resonac Corporation
    Inventors: Takuro SASAKI, Shintaro ITAGAKI, Yasuhiro HOSAGI, Yasuhiro IWAMA