Patents by Inventor Viktor V. Terenko

Viktor V. Terenko 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).

  • Process for separating low molecular weight compounds from polycaproamide melt with superheated steam
    Patent number: 4963650
    Abstract: A process for separating low molecular weight compounds from a crude polycaproamide melt comprises heat treating the melt in vacuo with superheated steam, in an extruder having a plurality of degassing zones, under precise conditions of temperature, pressure and configuration, such that the occurrence of side reactions and dehydration of the melt are substantially eliminated, the molecular weight of the polymer during the heat treatment in vacuo, during transport and subsequent processing remains substantially unchanged, a residual content of low molecular weight compounds of .ltoreq.1.8% is achieved, and the operating flexibility of the process is increased.
    Type: Grant
    Filed: October 6, 1989
    Date of Patent: October 16, 1990
    Assignees: Nautschno-Proisvodstvennoje Objedinenije "Plastmassy" Research Institute of Plastics, Allunions-Wissenschafts- und Forschungsinstitut fuer synthetische Fasern (VNIISV), Werner & Pfleiderer
    Inventors: Elvina Z. Bokareva, Jelena V. Schinkorenko, Viktor V. Terenko, Larisa A. Nosova, Garri I. Faidel, Sijar N. Nurmuchomedov, Anatolij V. Beljakov, Ivan M. Vlasov, Anton Fuerst, Heinz Herrmann, Eckart Pantzer, Bernhard Stoehrer, Eberhard Uhland, Hans Werner