Patents Assigned to CP & P Co., Ltd.
  • Method for preparing pulp from cornstalk
    Patent number: 7186316
    Abstract: Disclosed is a method for preparing paper pulp from cornstalks comprising the steps of cooking, washing, screening, thickening, bleaching, beating and drying performed under moderate conditions which have little noxious effects on the environment. By using cornstalks as raw materials for paper pulp, it becomes possible to replace import of wood raw materials, to save foreign currency, to increase rural income, and to make high quality paper.
    Type: Grant
    Filed: June 29, 2000
    Date of Patent: March 6, 2007
    Assignee: CP & P Co., Ltd.
    Inventors: Haiil Ryu, Chul Kap Kim, Jong-Myoung Won