Patents by Inventor Randolph Trommer

Randolph Trommer 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 photographic silver halide material
    Patent number: 6284447
    Abstract: A color photographic silver halide material which is developed as a negative, at least 90 mol % of the silver halides of which consist of AgCl, and which contains a compound of formula (I) or formula (II) in a light-insensitive layer which is further from the support than is each light—light sensitive layer, is distinguished by its improved color reproduction.
    Type: Grant
    Filed: April 7, 2000
    Date of Patent: September 4, 2001
    Assignee: Agfa-Gevaert
    Inventors: Cuong Ly, Dieter Rockser, Edgar Draber, Markus Geiger, Jürgen Heinecke, Randolph Trommer