Patents by Inventor Peter Briedenbach

Peter Briedenbach 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: 5516935
    Abstract: Diisocyanates are produced by gas-phase phosgenation of aliphatic diamines having two primary amino groups in the 1,2- or 1,3-position to one another or by cycloaliphatic diamines having two primary amino groups in the 1,2- or 1,3-position to one another.
    Type: Grant
    Filed: March 30, 1995
    Date of Patent: May 14, 1996
    Assignee: Bayer Aktiengesellschaft
    Inventors: Eric Bischof, Peter Briedenbach, Jurgen Dahmer, Andreas Flink, Attila Molnar, Herbert Stutz