Patents by Inventor Hans-Georg Wollmer

Hans-Georg Wollmer 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).

  • Waterproof photographic paper support
    Patent number: 4645736
    Abstract: A multilayer, waterproof photographic paper support includes a paper which is coated with a layer of radiation hardened varnish or varnish color and a barrier layer is positioned between the paper and varnish layer. The barrier layer comprises a polymer, film-forming material, produced either by extrusion coating, a coating of an aqueous solution or dispersion.
    Type: Grant
    Filed: October 4, 1985
    Date of Patent: February 24, 1987
    Assignee: Felix Schoeller Jr. GmbH & Co. KG
    Inventors: Reiner Anthonsen, Wieland Sack, Heinz Trentmann, Hans-Georg Wollmer