Patents by Inventor Takeshi Nakasuka

Takeshi Nakasuka 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).

  • Emulsion and production process therefor
    Patent number: 6258889
    Abstract: An object of the present invention is to provide an emulsion and its production process, which is used for coating of plastic materials such as polyolefin and has enough coating and adhesion to polyolefin materials and is excellent in compatibility with an acrylic resin and other resins and has high storage stability. An emulsion includes: A styrene-acryl-acid grafted polyolefin chloride, which includes a polyolefin chloride structure moiety (1), an acid anhydride and/or carboxylic acid structure moiety (2) bonded to the moiety (1) and a styrene-acryl based polymerization chain moiety (3) bonded to the moiety (2) excluding some of the acid anhydride groups and/or carboxylic acid groups, wherein a ratio of the moiety (2) to a sum of the moiety (1) and the moiety (2) is 1-10 weight %; an emulsifier; a basic substance made of at least one of amine compound and ammonia; and water.
    Type: Grant
    Filed: March 9, 1999
    Date of Patent: July 10, 2001
    Assignee: Nippon Bee Chemical Co., Ltd.
    Inventors: Katsumi Mizuguchi, Yukiko Iida, Takeshi Nakasuka, Yoshihiko Saito