Patents by Inventor William C. Korbach

William C. Korbach 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).

  • High performance electrodeposited chromium layers
    Patent number: 4828656
    Abstract: A chromium plating bath which consists essentially of chromic acid and 40-100 g/l of sulfoacetic acid, and which is substantially free of carboxylic acid, fluoride, iodide, bromide and selenium ions, is described herein.
    Type: Grant
    Filed: February 9, 1987
    Date of Patent: May 9, 1989
    Assignee: M&T Chemicals Inc.
    Inventors: William C. Korbach, Warren H. McMullen
  • Two-step electrolytic activation process for chromium electrodeposition
    Patent number: 4717456
    Abstract: The two-step electrolytic activation process comprises anodic treatment in a polarizing solution followed sequentially by a cathodic treatment in an electrolyte solution. The activation process is useful for cast iron substrates to enable electrodeposition of chromium thereon which is adherent, bright, smooth and hard, particularly from high energy efficient chromium baths.
    Type: Grant
    Filed: January 6, 1986
    Date of Patent: January 5, 1988
    Assignee: M&T Chemicals
    Inventors: Hyman Chessin, William C. Korbach