Patents by Inventor Hellmut Bredereck

Hellmut Bredereck 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 new 1,3-identically substituted-triazine-2,4-diones
    Patent number: 4048315
    Abstract: New 1,3-identically substituted-triazine-2,4-diones of the formula ##STR1## in which R is alkyl with 2 to 6 carbon atoms, cycloalkyl with 5 or 6 carbon atoms, phenyl, naphthyl, or phenyl or naphthyl substituted by halogen, nitro or alkyl with 1 to 4 carbon atoms, andR.sup.
    Type: Grant
    Filed: September 9, 1976
    Date of Patent: September 13, 1977
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hellmut Bredereck, Willi Kantlehner, Wolfgang Kugel, Edgar Mohring, Peter Roessler