Patents by Inventor William R. Kelly, III

William R. Kelly, III 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).

  • Aqueous electroplating bath and method for electroplating tin and/or lead and a defoaming agent therefor
    Patent number: 4849059
    Abstract: Tin, lead or tin-lead alloy electroplating baths producing little or no foam during electroplating, even at conditions of high-speed plating using high current densities and/or vigorous bath circulation, are disclosed comprised of tin and/or lead salts of alkane sulfonic acids, free alkane sulfonic acid, brightening agent, a deforming agent comprised of silicone and silica and/or a silicate in polypropylene glycol, a first nonionic surfactant consisting of an ethoxylated arylphenol and a second nonionic surfactant consisting of an ethoxylated short-chain alcohol.
    Type: Grant
    Filed: September 13, 1988
    Date of Patent: July 18, 1989
    Assignee: MacDermid, Incorporated
    Inventors: Lev Deresh, William R. Kelly, III