Patents by Inventor Heinrich Wamhoff

Heinrich Wamhoff 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 the preparation of aromatic fluorinated compounds and novel diamides
    Patent number: 5672765
    Abstract: Aromatic, ring-fluorinated compounds are prepared by reaction of corresponding chlorine compounds or bromine compounds with alkali metal fluorides using a diamide as solvent. Most of the diamides which can be used are novel compounds.
    Type: Grant
    Filed: July 14, 1995
    Date of Patent: September 30, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Albrecht Marhold, Marianne Lohr, Heinrich Wamhoff