Patents by Inventor Masahiro Nagasaki

Masahiro Nagasaki 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).

  • Water-based paint composition
    Patent number: 5319017
    Abstract: A water-based paint composition suitable for re-use with the retention of the intended coating property when recovered from a flushing water utilized to collect the paint composition remain undeposited on an article in a painting process. The water-based paint composition comprises a water-soluble resin selected from the group consisting of alkyd resin and acrylic resin to have an acid value of 25 to 100, a hydroxyl value of 35 to 200, and a solubility parameter (SP) of 10.0 to 11.0. The paint composition also incorporate a curing agent having a solubility parameter (SP) which is higher than that of the water-soluble resin by 0.5 to 3.0.
    Type: Grant
    Filed: February 5, 1993
    Date of Patent: June 7, 1994
    Assignee: Nippon Paint Co., Ltd.
    Inventors: Kazuo Uenoyama, Takayuki Shibata, Tetsuro Kajino, Masahiro Nagasaki, Nobuhiro Sudo