Patents Assigned to SHIRAISHI CALCIUM KAISHA, LTD.
  • Patent number: 11485844
    Abstract: The present invention relates to a resin composition containing: 100 parts by weight of a polypropylene resin; 0.2 parts by weight to 2 parts by weight of an olefinic elastomer; 2 parts by weight to 5 parts by weight of a talc having an aspect ratio in a range of 35 to 60; 2 parts by weight to 5 parts by weight of a fibrous magnesium sulfate having an average fiber diameter of 0.1 ?m to 2 ?m and an average fiber length of 8 ?m to 30 ?m; and 0.01 parts by weight to 1 part by weight of a metallic soap that is at least one selected from the group consisting of a magnesium salt of a fatty acid and an aluminum salt of a fatty acid.
    Type: Grant
    Filed: January 27, 2020
    Date of Patent: November 1, 2022
    Assignees: TOYODA GOSEI CO., LTD., SHIRAISHI CALCIUM KAISHA, LTD.
    Inventors: Atsumasa Sasaki, Yutaka Minamino, Kenichiro Eguchi, Yasuaki Tanaka, Hitoshi Uchida