Patents by Inventor Toyoshima NAOMI

Toyoshima NAOMI has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20150344658
    Abstract: Provided is a recyclable flame-retardant foamed styrene resin composition having high flame-retardancy and heat stability by adding little bromine-containing flame retardant. A flame-retardant foamed styrene resin composition containing (A) a styrene resin, (B) a mixture of (B1) tetrabromobisphenol A-bis(2,3-dibromo-2-methylpropyl ether) and (B2) another bromine-containing flame retardant, (C) zinc-modified hydrotalcite, (D) zeolite, and (G) a foaming agent, containing 0.005-0.08 parts by weight of (C) the zinc-modified hydrotalcite per 100 parts by weight of (A) the styrene resin.
    Type: Application
    Filed: December 13, 2013
    Publication date: December 3, 2015
    Applicant: DAI-ICHI KOGYO SEIYAKU CO., LTD.
    Inventors: Nishiura MASAHITO, Onishi HIDEAKI, Semori HISANORI, Toyoshima NAOMI