Patents by Inventor Helmut Ahne

Helmut Ahne 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: 3936523
    Abstract: In a method for the manufacture of formed elongated articles of cross-linked polyethylene in which the polyethylene is shaped in the non-cross-linked condition and is subsequently cross-linked by the application of heat in the presence of organic radical-forming agents, the improvement wherein 0.1 to 20% by weight of polyethylene of a cross-link promoting coagent selected from the group consisting of 2,4-dienoxy-6-amino-alkyl(ene)-s-triazines and N,N'-bis-(2,4-dienoxy-s-triazine-6)-diamines, is admixed with the polyethylene and is thereafter shaped and continuously cross-linked by application of heating at about atmospheric pressure and at a temperature above about 150.degree.C. and below the decomposition temperature of the components of the mixture.
    Type: Grant
    Filed: February 20, 1974
    Date of Patent: February 3, 1976
    Assignee: Siemens Aktiengesellschaft
    Inventors: Wolfgang Kleeberg, Rudolf Wiedenmann, Helmut Ahne