Patents Assigned to Sumitomo Chemical Limited., Co.
  • Resin composition pellet
    Patent number: 6331593
    Abstract: A resin composition pellet comprising: (i): 15 to 65% by weight of a polyolefin-based resin, and (ii): 85 to 35% by weight of anolefin-based copolymer obtained by copolymerizing two or more olefins selected from ethylene, propylene and &agr;-olefins having 4 to 20 carbon atoms in the presence of a catalyst for olefin polymerization, the total number of carbon atoms in the selected olefins being 7 or more.
    Type: Grant
    Filed: June 14, 1999
    Date of Patent: December 18, 2001
    Assignee: Sumitomo Chemical Limited., Co.
    Inventors: Hirofumi Johoji, Toshiyuki Kuwabara