Patents by Inventor Werner Legat

Werner Legat 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).

  • Sorption of carboxylic acids by means of rubber
    Patent number: 5236597
    Abstract: A method of using rubber, preferably from tire recycling, for absorbing organic carboxylic acids containing from 1 to 3 carbon atoms optionally substituted with from 1 to 5 halogen atoms. Trifluoroacetic acid, for example, can be absorbed very effectively.
    Type: Grant
    Filed: December 7, 1992
    Date of Patent: August 17, 1993
    Assignee: Solvay Umweltchemie GmbH
    Inventors: Heinz R. Feist, Werner Legat, Hans-Walter Swidersky, Matthias Rieland, Thomas Born, Andrea Feldmann