Patents Assigned to Shiuji Kimura
  • Method for protecting metallic surfaces from corrosion
    Patent number: 4812174
    Abstract: Rust preventing resin composition comprising a condensate of tannic acid, a phenol and an aldehyde or a ketone formed in the presence of an acid catalyst. The composition may be used as anticorrosive or rust preventing coating compositions.
    Type: Grant
    Filed: August 31, 1987
    Date of Patent: March 14, 1989
    Assignees: Teikoku Kako Co., Ltd., Shiuji Kimura
    Inventor: Shiuji Kimura