Patents by Inventor Herbert Pusche

Herbert Pusche 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: 4672142
    Abstract: The disclosure relates to a process for making 1,2-dichloroethane by reacting ethylene and chlorine in a reaction zone having a liquid medium containing chlorinated C.sub.2 -hydrocarbons circulated therein. To this end, the disclosure provides:(a) for approximately equimolar proportions of ethylene and chlorine to be introduced into the circulated liquid medium; for the whole to be reacted in a reaction zone at a temperature of about up to C.
    Type: Grant
    Filed: September 16, 1982
    Date of Patent: June 9, 1987
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Joachim Hundeck, Harald Scholz, Hans Hennen, Bernhard Kuxdorf, Herbert Pusche
  • Patent number: 4379131
    Abstract: The invention relates to process for making phosphorus pentoxide by subjecting elementary phosphorus to a combustion reaction with the aid of air, the reaction heat being utilized for the production of energy. To this end, the invention provides for the phosphorus to be subjected to combustion with dry air containing, per m.sup.3, 5 g down to 0.01 g of water, inside a combustion chamber of which the metallic walls are arranged so as to form a cooling system with cavities therein and for a liquid and liquid/steam-mixture, respectively, to be circulated through the cooling system under pressure within the range 1 to 150 bars, the liquid or mixture assuming a temperature of more than C. up to C. Steam which is formed in the cooling system is continuously taken therefrom and replaced by an equivalent proportion of fresh liquid.
    Type: Grant
    Filed: August 28, 1981
    Date of Patent: April 5, 1983
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Hellmuth Daniel, Robert Queck, Bernhard Kuxdorf, Herbert Pusche
  • Patent number: 4032410
    Abstract: A distillation column comprising a shell which has serially arranged therein a plurality of distilling trays with respective liquid inlets and outlets. An annular slit of substantially uniform width is left between the individual trays and the shell. The slit may be interrupted by a plurality of spacers which bear against the inner surface of the shell, and the spacers are provided around the periphery of the individual trays.
    Type: Grant
    Filed: April 20, 1976
    Date of Patent: June 28, 1977
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Bernhard Kuxdorf, Herbert Pusche, Heinz Erpenbach, Wernfried Riechmann