Patents Assigned to KEPEC Chemische Fabrik GmbH
  • Leather dressing composition of an aqueous emulsion of solvent solutions of substituted celluloses and polyurethanes
    Patent number: 4066818
    Abstract: A composition for dressing leather and leather substitutes comprising an aqueous emulsion of (A) an organic solvent solution of nitrocellulose or cellulose acetate butyrate and (B) an organic solvent solution of a linear polyurethane resin, in a ratio of A : B of 1 : 0.1 to 1 : 10.
    Type: Grant
    Filed: September 20, 1976
    Date of Patent: January 3, 1978
    Assignee: KEPEC Chemische Fabrik GmbH
    Inventors: Peter Junge, Horst Schulz, Rainer Schneider, Werner Dreke, Gerhard Rieger