Patents Represented by Attorney W. N. Hogg

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  • Method and composition for electroplating chromium and its alloys and the method of manufacture of the composition
    Patent number: 4141803
    Abstract: A plating solution, the making thereof and the use for chromium plating is disclosed. The solution is an equilibrated essentially aqueous solution of a hexavalent thiocyanatochromium III complex wherein the ratio of the total chromium III to the total thiocyanate is about 1:6. A preferred and improved method of making the solution from a hexathiocyanatochromium salt is also disclosed.
    Type: Grant
    Filed: September 15, 1977
    Date of Patent: February 27, 1979
    Assignee: International Business Machines Corporation
    Inventors: Donald J. Barclay, William M. Morgan