Patents Represented by Law Firm Oblon, Spivak, McClelland, Maier & Neustadt Oblon, Spivak, McClelland, Maier & Neustadt
  • Patent number: 5346950
    Abstract: A resin composition comprising 5 to 95 parts by weight of a saponified product of an ethylene-vinyl acetate copolymer (A) having an ethylene content of 20 to 60 mol % and a degree of saponification of at least 90% and 95 to 5 parts by weight of a styrene-based polymer (B) having mainly syndiotactic configuration. The resin composition has gas barrier properties and a markedly improved heat resistance.
    Type: Grant
    Filed: October 25, 1993
    Date of Patent: September 13, 1994
    Assignees: Kuraray Co., Ltd., Idemitsu Petrochemical Co., Ltd.
    Inventors: Taichi Negi, Akira Mochizuki, Shiro Nagata, Komei Yamasaki, Keisuke Funaki, Takashi Sumitomo