Patents by Inventor Bruno E. Unzens

Bruno E. Unzens 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).

  • Patent number: 4367092
    Abstract: A metal finishing composition particularly useful for burnishing of metallic components while subjecting said metallic components to the action of a solid finishing media, said composition comprising an acidic burnishing media and, as a rust and discoloration inhibitor component thereof, a mixture of the compounds 6-[methyl(phenylsulfonyl)amino] hexanoic acid and 2,2', 2"-nitrilotris(ethanol), is disclosed.
    Type: Grant
    Filed: July 16, 1981
    Date of Patent: January 4, 1983
    Assignee: Roto-Finish Company, Inc.
    Inventor: Bruno E. Unzens