Patents by Inventor Ludwig Klinger

Ludwig Klinger 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).

  • Inner shoe material such as insoles and middle sole material in the form of breadths or blanks therefrom
    Patent number: 4241124
    Abstract: There is provided inner shoe material in the form of breadths or blanks therefrom consisting of a textile fiber structure which is loaded with 50 to 400 parts by weight based on 100 parts by weight of the textile fibre structure of a mixture of synthetic materials comprising at least one styrene--butadiene copolymer and at least one polyvinyl alcohol obtained by substantial or complete hydrolysis of a polyvinyl ester in an amount of 8 to 102 parts by weight based on 100 parts by weight of the styrene--butadiene copolymer wherein the synthetic material optionally additionally contains fillers, pigments, plasticizers, natural resins, synthetic resins and/or stabilizers against heat, light and/or mechanical influences.
    Type: Grant
    Filed: June 21, 1978
    Date of Patent: December 23, 1980
    Assignee: Deutsche Gold- und Silber-Scheideanstalt vormals Roesseler
    Inventors: Paul Kremer, Bernhard Gora, Ludwig Klinger