Patents by Inventor Miho NARITOMI

Miho NARITOMI 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).

  • Patent number: 11406969
    Abstract: A metal oxide catalyst, which has a bulk composition represented by formula (1) below and which is used to produce a conjugated diolefin by an oxidative dehydrogenation reaction between a monoolefin, having 4 or more carbon atoms, and molecular oxygen, wherein standard deviation obtained by dividing a ratio of Bi molar concentration relative to Mo molar concentration at the surface of a catalyst particle by a ratio of the Bi molar concentration relative to the Mo molar concentration in a catalyst bulk is 0.3 or less.
    Type: Grant
    Filed: May 24, 2017
    Date of Patent: August 9, 2022
    Assignee: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Miho Naritomi, Kenji Akagishi, Hiroyuki Yanagi, Hiroyuki Yano
  • Publication number: 20190118166
    Abstract: A metal oxide catalyst, which has a bulk composition represented by formula (1) below and which is used to produce a conjugated diolefin by an oxidative dehydrogenation reaction between a monoolefin, having 4 or more carbon atoms, and molecular oxygen, wherein standard deviation obtained by dividing a ratio of Bi molar concentration relative to Mo molar concentration at the surface of a catalyst particle by a ratio of the Bi molar concentration relative to the Mo molar concentration in a catalyst bulk is 0.3 or less.
    Type: Application
    Filed: May 24, 2017
    Publication date: April 25, 2019
    Applicant: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Miho NARITOMI, Kenji AKAGISHI, Hiroyuki YANAGI, Hiroyuki YANO