Patents by Inventor Masami Sawai

Masami Sawai 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).

  • POLYCARBONATE/POLYORGANOSILOXANE COPOLYMER AND RESIN COMPOSITION INCLUDING SAID COPOLYMER
    Publication number: 20230046996
    Abstract: Provided is a polycarbonate-polyorganosiloxane copolymer, including: a polyorganosiloxane block (A-1) including a specific structural unit; and a polycarbonate block (A-2) formed of a specific repeating unit, wherein the polycarbonate-polyorganosiloxane copolymer satisfies the following condition (A) or (B): condition (A): a hexane extraction amount of the polycarbonate-polyorganosiloxane copolymer is 150 ppm or less; and condition (B): average weights of polyorganosiloxane blocks in polycarbonate-polyorganosiloxane copolymers obtained by separating the polycarbonate-polyorganosiloxane copolymer with a gel permeation chromatograph satisfy a specific expression.
    Type: Application
    Filed: December 7, 2020
    Publication date: February 16, 2023
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Minoru YABUKAMI, Shinobu YAMAO, Takafumi AKIMOTO, Masami SAWAI
  • CATALYST FOR PRODUCING A LIGHT OLEFIN AND METHOD FOR PRODUCING A LIGHT OLEFIN
    Publication number: 20100210887
    Abstract: A catalyst for producing a light olefin including a pentasil-type zeolite, alkaline earth metal atoms and aluminum atoms contained in the pentasil-type zeolite satisfying the following atomic ratio: [alkaline earth metal atom/aluminum atom]=0.2 to 15, the average value of the gradient of an adsorption isotherm of the pentasil-type zeolite measured by the nitrogen adsorption method being 30 or more at a relative pressure of 0.2 to 0.7.
    Type: Application
    Filed: October 16, 2008
    Publication date: August 19, 2010
    Applicants: IDEMITSU KOSAN CO., LTD., NIKKI-UNIVERSAL CO., LTD.
    Inventors: Tomoko Shibata, Kenichi Wakui, Kinsho Furusawa, Tetsuya Saruwatari, Takashi Umeki, Masami Sawai, Nobuyuki Aoi, Kazuo Osada