Patents by Inventor Yusuke Maruoka

Yusuke Maruoka 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).

  • Composition for polyurethane foam, preparation for polyurethane foam, polymer polyol preparation for polyurethane foam, production processes therefor, and polyurethane foam
    Patent number: 10494469
    Abstract: This invention relates to a preparation for a polyurethane foam and a polymer polyol preparation for a polyurethane foam, each of which exhibits high coloration and discoloration inhibition properties over a long period of time when stored, and to a composition for a polyurethane foam, which is excellent in storage stability and is preferable as a resin premix. The composition comprises (i) at least one polyol, (ii) a compound having a P?N bond, (iii) an antioxidant having a hydroxyphenyl group, (iv) at least an acid and/or its salt, (v) a catalyst for polyurethane foam production and (vi) a blowing agent.
    Type: Grant
    Filed: July 23, 2012
    Date of Patent: December 3, 2019
    Assignee: MITSUI CHEMICALS & SKC POLYURETHANES INC.
    Inventors: Yusuke Maruoka, Atsushi Miyata, Kazuhiko Okubo, Tsukuru Izukawa, Toru Hiraide, Shinsuke Matsumoto
  • METHOD FOR REDUCING VOLATILE ORGANIC COMPOUND, METHOD FOR PRODUCING POLYURETHANE FOAM, AND RESIN PREMIX
    Publication number: 20190161596
    Abstract: In a method for reducing a volatile organic compound, a polyurethane foam contains a compound represented by the following formula (1). (wherein, —N?R represents the following partial structural formula (A) or the following partial structural formula (B), and X? represents an anion.) (wherein, R1 is preferably a methyl group.) (wherein, R2 is preferably a methyl group and “n” preferably represents 1.
    Type: Application
    Filed: July 31, 2017
    Publication date: May 30, 2019
    Applicants: MITSUI CHEMICALS & SKC POLYURETHANES INC., MITSUI CHEMICALS & SKC POLYURETHANES INC.
    Inventors: Yusuke MARUOKA, Yasuhiro MATSUZAKA, Kazuto USAKA, Changha PARK, Sungho LEE, Joonseok KANG
  • COMPOSITION FOR POLYURETHANE FOAM, PREPARATION FOR POLYURETHANE FOAM, POLYMER POLYOL PREPARATION FOR POLYURETHANE FOAM, PRODUCTION PROCESSES THEREFOR, AND POLYURETHANE FOAM
    Publication number: 20140155506
    Abstract: The present invention relates to a preparation for a polyurethane foam and a polymer polyol preparation for a polyurethane foam, each of which exhibits high coloration and discoloration inhibition properties over a long period of time when stored, and to a composition for a polyurethane foam, which is excellent in storage stability and is preferable as a resin premix.
    Type: Application
    Filed: July 23, 2012
    Publication date: June 5, 2014
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Yusuke Maruoka, Atsushi Miyata, Kazuhiko Okubo, Tsukuru Izukawa, Toru Hiraide, Shinsuke Matsumoto