Patents Examined by Sam Silverberger
  • Composition and process for treatment of metallic surfaces
    Patent number: 5376189
    Abstract: Disclosed is a composition and process for the treatment of metallic surfaces, which comprises treating said surface with an aqueous solution comprising a benzimidazole compound which has at least one carboxylic or sulfonic acid group directly or indirectly attached to said benzimidazole compound.
    Type: Grant
    Filed: November 8, 1993
    Date of Patent: December 27, 1994
    Assignee: MacDermid, Incorporated
    Inventor: Peter E. Kukanskis