Patents by Inventor Axel Jochum

Axel Jochum 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 print material
    Patent number: 6900005
    Abstract: A color photographic print material having at least one red-sensitive silver halide emulsion layer containing at least one cyan coupler, at least one green-sensitive silver halide emulsion layer containing at least one magenta coupler and at least one blue-sensitive silver halide emulsion layer containing at least one yellow coupler, characterized in that the cyan coupler is of the formula in which R6-R9, X and Z are defined in the specification, and the magenta coupler is of the formula in which R1-R5, Y, A, B and n are defined in the specification, and is distinguished by good color reproduction, dark stability and light stability.
    Type: Grant
    Filed: July 2, 2003
    Date of Patent: May 31, 2005
    Assignee: Agfa-Gevaert
    Inventors: Ralf Weimann, Markus Geiger, Axel Jochum
  • Colour photographic print material
    Publication number: 20040023172
    Abstract: A colour photographic print material having at least one red-sensitive silver halide emulsion layer containing at least one cyan coupler, at least one green-sensitive silver halide emulsion layer containing at least one magenta coupler and at least one blue-sensitive silver halide emulsion layer containing at least one yellow coupler, characterised in that the cyan coupler is of the formula 1
    Type: Application
    Filed: July 2, 2003
    Publication date: February 5, 2004
    Applicant: Agfa-Gevaert
    Inventors: Ralf Weimann, Markus Geiger, Axel Jochum
  • Colour photographic print material
    Publication number: 20040018455
    Abstract: A colour photographic print material having at least one red-sensitive silver halide emulsion layer containing at least one cyan coupler, at least one green-sensitive silver halide emulsion layer containing at least one magenta coupler and at least one blue-sensitive silver halide emulsion layer containing at least one yellow coupler, characterised in that the magenta coupler is of the formula 1
    Type: Application
    Filed: June 27, 2003
    Publication date: January 29, 2004
    Inventors: Markus Geiger, Axel Jochum, Ralf Weimann