Patents by Inventor Peter Kurtz

Peter Kurtz 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 2,4-dicyano-3,5-dimethylaniline
    Patent number: 4003944
    Abstract: The novel compound 2,4-dicyano-3,5-dimethylaniline is prepared by heating a cyclic compound having the formula ##STR1## and splitting off acetonitrile. The 2,4-dicyano-3,5-dimethylaniline is collected e.g. by sublimation apparatus and is useful as an intermediate in the preparation of dyestuffs e.g. by diazotization and coupling with known coupling components.
    Type: Grant
    Filed: May 25, 1972
    Date of Patent: January 18, 1977
    Assignee: Bayer Aktiengesellschaft
    Inventor: Peter Kurtz