Patents Assigned to Nankyo Efnica Co., Ltd.
  • Use of flame retardant aqueous liquid composition in making flame retardant polyurethane foam article
    Patent number: 8076385
    Abstract: A flame retardant aqueous liquid composition containing water, guanidine sulfamate, a citric acid compound including a metal salt of citric acid, and a water soluble polymer. A flame retardant polyurethane foam is produced by a process including the steps of providing a mixture of the above flame retardant aqueous liquid composition with a polyol and an isocyanate, and reacting the mixture in the presence of a catalyst.
    Type: Grant
    Filed: December 15, 2009
    Date of Patent: December 13, 2011
    Assignee: Nankyo Efnica Co., Ltd.
    Inventor: Chiaki Ohama
  • FLAME RETARDANT AQUEOUS LIQUID COMPOSITION, USE THEREOF FOR PRODUCING FLAME RETARDANT POLYURETHANE FOAM, AND FLAME RETARDANT POLYURETHANE FOAM ARTICLE
    Publication number: 20100093882
    Abstract: A flame retardant aqueous liquid composition containing water, guanidine sulfamate, a citric acid compound including a metal salt of citric acid, and a water soluble polymer. A flame retardant polyurethane foam is produced by a process including the steps of providing a mixture of the above flame retardant aqueous liquid composition with a polyol and an isocyanate, and reacting the mixture in the presence of a catalyst.
    Type: Application
    Filed: December 15, 2009
    Publication date: April 15, 2010
    Applicant: Nankyo Efnica CO., LTD.
    Inventor: CHIAKI OHAMA