Patents by Inventor Peter Kruck

Peter Kruck 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 the production of matting layers
    Patent number: 4287299
    Abstract: For the production of matted outer layers of photographic silver halide recording materials particles of a copolymer of maleic acid anhydride and a C.sub.2 -C.sub.8 monoolefin are dispersed in an aqueous solution of a hydrophilic colloid and the dispersion thus formed is applied to one or both surfaces of the photographic recording material and the layer is dried.
    Type: Grant
    Filed: May 13, 1980
    Date of Patent: September 1, 1981
    Assignee: Agfa-Gevaert AG
    Inventors: Wolfgang Himmelmann, Rolf Bruck, Wolfgang Sauerteig, Peter Kruck, Gunter Kolb, Gunter Sackmann