Patents by Inventor Paul Nesvadba

Paul Nesvadba 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 recovering rhodium
    Patent number: 4273578
    Abstract: A method for recovering rhodium from a residue of the oxo synthesis or of a hydroformylation which comprises contracting said residue with sulfur and separating and converting the resultant rhodium-containing precipitate to rhodium or a rhodium compound in a manner known per se.
    Type: Grant
    Filed: March 17, 1980
    Date of Patent: June 16, 1981
    Assignee: W. C. Heraeus GmbH
    Inventors: Paul Nesvadba, Gisela Weigl