Patents by Inventor Peter Manfred Roth

Peter Manfred Roth 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 solvent recovery and apparatus suitable therefor
    Patent number: 5711873
    Abstract: An apparatus is described for recovery and reuse of liquids which are used as solvents and for the specific dilution of the solvent in the chemical reaction and/or the processing of substances.
    Type: Grant
    Filed: September 20, 1996
    Date of Patent: January 27, 1998
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Siegfried Rewitzer, Peter Manfred Roth