Patents by Inventor Robert Ciamarra

Robert Ciamarra 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 recovering mercapto-s-triazines from silver precipitate
    Patent number: 5759410
    Abstract: There is provided a process for converting a silver-mercapto-s-triazine precipitate to a solid containing silver and a solution containing mercapto-s-triazine by contacting the silver-mercapto-s-triazine precipitate with one or more reducing agents. In preferred embodiments, at least one of the reducing agents has a redox potential more negative than about -0.9 V vs. Normal Hydrogen Electrode, NHE.
    Type: Grant
    Filed: March 5, 1997
    Date of Patent: June 2, 1998
    Assignee: Eastman Kodak Company
    Inventors: Charles S. Christ, Jr., Albert R. Szembrot, Robert Ciamarra