Patents Assigned to 501 Dai-Ichi Kogyo Seiyaku Co., Ltd.
  • Method for preparing a flame-retardant triallyl isocyanurate prepolymer
    Patent number: 4962168
    Abstract: A flame-retardant TAIC is polymerized in the presence of a polymerization modifier and a polymerization initiator. As the polymerization modifier, 6H-dibenz [c,e] [1,2] oxaphosphorine-6-oxide is used in an amount of 1 to 200% by weight on the basis on the weight of triallyl isocyanurate.
    Type: Grant
    Filed: January 2, 1990
    Date of Patent: October 9, 1990
    Assignee: 501 Dai-Ichi Kogyo Seiyaku Co., Ltd.
    Inventors: Satoshi Hiratsuna, Hiroshi Hotta, Hayashi Tomomi, Hayashi Tomomi