Patents by Inventor Peter Berthaller

Peter Berthaller 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).

  • Color-photography silver halide material
    Patent number: 6451521
    Abstract: A color-photography silver halide material having a base and at least one photosensitive silver halide emulsion layer which is applied thereto and whose silver halide comprises at least 95 mol-%, preferably of 98.5%, of AgCl and contains 10−7 to 10−3 mol of at least one metal selected from indium, yttrium, lanthanum and the lanthanides per mol of silver halide is remarkable for improved low-density stability in the unexposed state.
    Type: Grant
    Filed: September 27, 2000
    Date of Patent: September 17, 2002
    Assignee: AGFA-Gevaert
    Inventors: Peter Berthaller, Matthias Feigl, Hans-Ulrich Borst