Patents by Inventor Minako YOKOMORI

Minako YOKOMORI 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).

  • LIGHT STABILIZER COMPOSITION AND RESIN COMPOSITION CONTAINING SAME
    Publication number: 20160237241
    Abstract: A light stabilizer composition containing a hindered amine compound obtained by the reaction between a 2,2,6,6-tetramethylpiperidinol and a carbonic ester and having improved handling properties. The composition contains (A) 100 parts by mass of silica having a water content of 2 to 7 wt % impregnated with (B) 10 to 300 parts by mass of a hindered amine compound represented by general formula (1). The composition preferably contains (C) 5 to 500 parts by mass of a benzotriazole light stabilizer represented by general formula (3). The symbols used in formulae (1) and (3) are as defined in the description.
    Type: Application
    Filed: November 10, 2014
    Publication date: August 18, 2016
    Inventors: Takashi AYABE, Takashi USUI, Minako YOKOMORI