Patents Assigned to Sun-Esu Co., Ltd.
  • Patent number: 4584421
    Abstract: Plastic scraps are subjected to thermal decomposition in the presence of zeolite type catalyst and converted into a liquid hydrocarbon oil.
    Type: Grant
    Filed: March 26, 1984
    Date of Patent: April 22, 1986
    Assignees: Agency of Industrial Science and Technology, Ministry of International Trade and Industry, Sun-Esu Co., Ltd.
    Inventors: Kiyoshi Saito, Mitsuo Nanba