Patents by Inventor Thomas Brackemeyer

Thomas Brackemeyer 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).

  • Preparation of 2-haloacyl-3-aminoacrylic acid derivatives
    Patent number: 6706911
    Abstract: The present invention relates to an improved process for preparing 2-haloacyl-3-aminoacrylic acid derivatives and pyrazole-4-carboxylic acids and derivates thereof obtainable from it.
    Type: Grant
    Filed: December 13, 2002
    Date of Patent: March 16, 2004
    Assignee: Bayer Aktiengesellschaft
    Inventors: Norbert Lui, Thomas Brackemeyer, Peter Müller, Marielouise Schneider