Patents by Inventor Masashi Teramori

Masashi Teramori 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).

  • Production method of ?-caprolactam
    Patent number: 10457636
    Abstract: A method for producing ?-caprolactam involves a step of Beckmann-rearranging cyclohexanone oxime in a gas phase in the presence of a zeolite catalyst containing silicon and at least one element selected from alkaline earth metal elements and magnesium. The concentration of the above-described element in the zeolite catalyst is 3 ppm by mass or more and 10000 ppm by mass or less.
    Type: Grant
    Filed: September 7, 2017
    Date of Patent: October 29, 2019
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Kazuaki Yoshimura, Nobufumi Watanabe, Kohei Seki, Masashi Teramori, Keisuke Tanaka
  • PRODUCTION METHOD OF EPSILON-CAPROLACTAM
    Publication number: 20190241513
    Abstract: A method for producing ?-caprolactam involves a step of Beckmann-rearranging cyclohexanone oxime in a gas phase in the presence of a zeolite catalyst containing silicon and at least one element selected from alkaline earth metal elements and magnesium. The concentration of the above-described element in the zeolite catalyst is 3 ppm by mass or more and 10000 ppm by mass or less.
    Type: Application
    Filed: September 7, 2017
    Publication date: August 8, 2019
    Inventors: Kazuaki YOSHIMURA, Nobufumi WATANABE, Kohei SEKI, Masashi TERAMORI, Keisuke TANAKA