Patents by Inventor Isamu Masumotoi

Isamu Masumotoi 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 oxymethylene
    Publication number: 20020007044
    Abstract: A process for producing an oxymethylene copolymer by polymerizing trioxan and 1,3-dioxolan in the presence of a cationically active catalyst, wherein
    Type: Application
    Filed: May 16, 2001
    Publication date: January 17, 2002
    Applicant: MITSUBISHI GAS CHEMICAL CO., INC.
    Inventors: Takahiro Nakamura, Akira Okamura, Masanori Furukawa, Isamu Masumotoi, Kaneo Yoshioka, Kazumasa Maji