Patents by Inventor Guy M. Warth

Guy M. Warth 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).

  • Nickel recovery process
    Patent number: 4131641
    Abstract: Disclosed is a process for the recovery of nickel from nickel-containing wastes, which comprises the steps of slurrying the waste with a nickel brine solution; reacting the slurry by addition of an oxidizing agent solution, followed by anhydrous hydrogen chloride to obtain a nickel chloride containing reaction mixture; and, filtering the reaction mix to obtain the nickel chloride solution.
    Type: Grant
    Filed: November 14, 1977
    Date of Patent: December 26, 1978
    Assignee: Rohm and Haas Company
    Inventors: Milton S. Brown, Richard M. Burch, Guy M. Warth