Patents by Inventor Ernst Knust

Ernst Knust 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).

  • Impregnating agent and its use
    Patent number: 4294715
    Abstract: A dielectric composition comprising a mixture of monoisopropylated diphenyls and polyisopropylated diphenyls, especially a mixture of 30 to 60 parts by weight of monoisopropylated diphenyls and 70 to 40 parts by weight of polyisopropylated diphenyls, the polyisopropylated diphenyls preferably being made up in turn of 60 to 85 parts by weight of diisopropylated diphenyls, 10 to 35 parts by weight of triisopropylated diphenyls and 0.5 to 5 parts by weight of tetraisopropylated diphenyls, these latter amounts being based upon the total amount of the polyisopropylated diphenyls.
    Type: Grant
    Filed: October 11, 1979
    Date of Patent: October 13, 1981
    Assignee: Bayer Aktiengesellschaft
    Inventors: Alfons Klein, Rudolf Kron, Karlfried Wedemeyer, Ernst Knust, Lothar Havenith
  • Chloro-diphenyl
    Patent number: 4203145
    Abstract: An improvement in an electrical device containing a functional liquid wherein the functional liquid is a compound of the formula ##STR1## and the use of such compounds as dielectrics.
    Type: Grant
    Filed: January 6, 1978
    Date of Patent: May 13, 1980
    Assignee: Bayer Aktiengesellschaft
    Inventors: Alfons Klein, Ernst Knust, Rudolf Kron, Karlfried Wedemeyer