Patents by Inventor Franz-Bernhard Knop

Franz-Bernhard Knop 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).

  • Aqueous contact adhesive containing EVA copolymers
    Patent number: 4975481
    Abstract: An aqueous contact adhesive containing an aqueous dispersion of a water-immiscible solvent. The aqueous contact adhesive can contain additives such as preservatives, anti-oxidants, thickeners and thixotropicizing agents, emulsifiers and protective colloids. The contact adhesive has outstanding properties, particularly in regard to the absence of surface tackiness of substrate surfaces coated with the contact adhesive and a high initial tack of the substrate surfaces fitted together under pressure.
    Type: Grant
    Filed: November 2, 1988
    Date of Patent: December 4, 1990
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Horst Tamm, Franz-Bernhard Knop, Claus Kirchner