Patents Assigned to Shinto Paint Co.
  • Surface treatment agent for steel material
    Patent number: 6342554
    Abstract: Disclosed herein is a surface treatment agent for steel, characterized in that, said agent contains 0.1-15% by mass of chromium sulfate and 10-40% by mass of a binder resin containing butyral resin or a mixture of butyral resin with another resin which is compatible with butyral resin.
    Type: Grant
    Filed: May 10, 1999
    Date of Patent: January 29, 2002
    Assignees: Sumitomo Metal Industries, Ltd., Shinto Paint Co.
    Inventors: Hirofumi Kishikawa, Masato Yamashita, Atsumu Kanda, Hiroshi Ono