Patents by Inventor Rudolf Papesch

Rudolf Papesch 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).

  • Method for the chemical decontamination of metallic parts of a nuclear reactor
    Patent number: 4756768
    Abstract: Chemical decontamination of metallic parts of nuclear reactor installation in which an oxidative treatment with a permanganic acid solution is applied before dicarbonic acids are used for further treatment. Rinsing operations are eliminated and smaller amounts of dicarbonic acids needed. Also the primary system of the nuclear reactor no longer requires emptying before effecting decontamination treatment.
    Type: Grant
    Filed: December 1, 1986
    Date of Patent: July 12, 1988
    Assignee: Kraftwerk Union Aktiengesellschaft
    Inventors: Horst-Otto Bertholdt, Hans Hirning, Rudolf Papesch, Hubert Stamm