Patents by Inventor Manabu MIZUSHIMA

Manabu MIZUSHIMA 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).

  • Patent number: 10844252
    Abstract: A latex composition shows storage stability and spray coating characteristics and gives a soft adhesive layer after drying and a one-pack type aqueous adhesive. The latex composition includes a chloroprene-based polymer latex (A) containing a chloroprene-based polymer in an amount of 50 to 85 mass % as solid matter and an acrylic polymer latex (B) having a glass transition temperature of ?52 to ?9° C. and containing an acrylic polymer containing a sodium alkylbenzenesulfonate having a structure represented by the Chemical Formula (1) or a sodium alkyl diphenyl ether disulfonate in an amount of 15 to 50 mass % as solid matter, in a total amount of 100 parts by mass, and additionally at least one pH regulator (C) selected from boric acid, ammonium sulfate, and amino acids having an isoelectric point of 5.5 to 6.5 in an amount of 3 to 13 parts by mass as solid matter.
    Type: Grant
    Filed: June 29, 2017
    Date of Patent: November 24, 2020
    Assignee: DENKA COMPANY LIMITED
    Inventors: Gaito Kiyofuji, Masao Onozuka, Manabu Mizushima, Shogo Hagiwara, Hironori Konishi, Daisuke Shimiya, Kazuhiro Kote
  • Publication number: 20190309195
    Abstract: A latex composition gives favorable initial adhesive strength after short drying period, shows storage stability and spray coating characteristics and gives a soft adhesive layer after drying and a one-pack type aqueous adhesive. The latex composition includes a chloroprene-based polymer latex (A) containing a chloroprene-based polymer in an amount of 50 to 85 mass % as solid matter and an acrylic polymer latex (B) having a glass transition temperature of ?52 to ?9° C. and containing an acrylic polymer containing a sodium alkylbenzenesulfonate having a structure represented by the Chemical Formula (1) in an amount of 15 to 50 mass % as solid matter, in a total amount of 100 parts by mass, and additionally at least one pH regulator (C) selected from boric acid, ammonium sulfate, and amino acids having an isoelectric point of 5.5 to 6.5 in an amount of 3 to 13 parts by mass as solid matter.
    Type: Application
    Filed: June 29, 2017
    Publication date: October 10, 2019
    Inventors: Gaito KIYOFUJI, Masao ONOZUKA, Manabu MIZUSHIMA, Shogo HAGIWARA, Hironori KONISHI, Daisuke SHIMIYA, Kazuhiro KOTE