Patents by Inventor Kenichi SENO

Kenichi SENO 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: 20210115234
    Abstract: Provided is a propylene polymer composition capable of implementing a molded article containing excellent impact resistance. Provided is a propylene polymer composition containing components (A) to (C), satisfying all of requirements (1) to (5), (A) a propylene polymer containing 90 wt % or more of a propylene structural unit; (B) an ethylene-?-olefin copolymer or hydrogenated conjugated diene polymer containing more than 10 wt % and 99 wt % or less of an ethylene structural unit; (C) a propylene block copolymer or graft copolymer containing a propylene polymer segment and an ethylene-?-olefin copolymer segment or a hydrogenated conjugated diene polymer segment; (1) an intrinsic viscosity being 0.5 dl/g or more; (2) CXIS having a number average molecular weight of 40,000 or more; (3) a ratio of the number average molecular weight of CXIS to a number average molecular weight of CXS being 0.
    Type: Application
    Filed: July 2, 2019
    Publication date: April 22, 2021
    Inventors: Kenichi SENO, Yohei KASHIWAME, Kazuya INOUE