Patents by Inventor Gerhard Krag

Gerhard Krag 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).

  • Packaging casing based on cellulose having improved processing characteristics
    Patent number: 4967798
    Abstract: The tubular packaging casing, in particular a synthetic sausage casing, comprised of fiber-reinforced cellulose, in which the fiber-reinforcement is coated at least on the outside with a cellulose layer, and a surface layer on the cellulose layer. The surface layer comprises a water-insoluble cationic resin containing particles of fibers of synthetic resin or cellulose, in particular particles of a vinyl chloride homopolymer or copolymer.
    Type: Grant
    Filed: March 19, 1990
    Date of Patent: November 6, 1990
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Klaus-Dieter Hammer, Hermann Winter, Gerhard Krag