Patents by Inventor Richard E. Kremp

Richard E. Kremp 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: 4213782
    Abstract: Processes and apparatus for removal of silver from exposed photographic film by transporting the film through hypochlorite solution in a reagent tank for a predetermined time, draining off precipitated silver chloride, washing the treated film in a wash tank, and drying the treated film in a dryer. Another embodiment of the process involves masking one side of exposed radiograph film, and removing the emulsion and/or the silver on only one side of the exposed radiograph.
    Type: Grant
    Filed: February 3, 1977
    Date of Patent: July 22, 1980
    Inventors: Richard E. Kremp, Fred N. Vandeman