Patents by Inventor Susanne Hoffmann

Susanne Hoffmann 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: 6376254
    Abstract: A biomimetic reagent system is provided containing an oxygen donor and a catalyst based on porphyrin, which are applied to a carrier. A device that contains the system is also provided for determining components of gas or vapor samples, especially aromatics, such as benzene. A process for hydroxylating aromatics, such as benzene, using the biomimetic reagent system is also provided.
    Type: Grant
    Filed: September 10, 1999
    Date of Patent: April 23, 2002
    Assignee: Dräger Sicherheitstechnik GmbH
    Inventors: Wolfgang Bäther, Hans-Jürgen Duchstein, Susanne Hoffmann