Patents by Inventor Werner A. Lidy

Werner A. Lidy 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).

  • Patent number: 4267078
    Abstract: A method for easily degrading wastes consisting of the reaction products of organic materials containing isocyanate groups and specifically foamed polyurethane wastes by comminuting the waste and reacting it with alkylene oxide at 120.degree. C. to 200.degree. C. and removing the unreacted alkylene oxide. The products obtained are homogeneous liquids which can be added to polyols for reaction with isocyanates to form foamed polyurethanes.
    Type: Grant
    Filed: July 5, 1979
    Date of Patent: May 12, 1981
    Assignee: Th. Goldschmidt AG
    Inventors: Werner Lidy, Gerd Rossmy, Hans-Joachim Kollmeier