Patents by Inventor Robert Cisler

Robert Cisler 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).

  • Process for producing bismuth dithiocarbamates and dithiophosphorates
    Publication number: 20020183534
    Abstract: A process for producing a bismuth dithiocarbamate or dithiophosphorate by the reaction of a bismuth hydroxide, bismuth oxide or bismuth oxynitrate with a dithiocarbamate or a dithiophosphoric acid. The bismuth dithiocarbamates and dithiophosphorates exhibit very good EP and antiwear properties and are useful in lubricant formulations.
    Type: Application
    Filed: May 6, 2002
    Publication date: December 5, 2002
    Inventors: Robert Cisler, Hocine Faci, Shih-Ying Hsu, Randall Krinker, Curtis Lege, Bill Pastore, Andrew Phillips