Patents by Inventor Dagmar Geppert

Dagmar Geppert 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).

  • Barbituric acid derivatives
    Patent number: 6716845
    Abstract: The present invention pertains to derivatives of 5,5-disubstituted pyrimidine-2,4,6,-trianones having the formula: wherein R1, R2, R3, and R4 are described herein. These compounds have antitumor and antimetastatic activity.
    Type: Grant
    Filed: February 25, 2002
    Date of Patent: April 6, 2004
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Dagmar Geppert, Frank Grams, Hans-Willi Krell, Herbert Leinert, Ernesto Menta, Gerd Zimmermann
  • Barbituric acid derivatives
    Publication number: 20020187991
    Abstract: Derivatives of 5,5-disubstituted pyrimidine-2,4,6-trianones are disclosed. These compounds have antitumor and antimetastatic activity.
    Type: Application
    Filed: February 25, 2002
    Publication date: December 12, 2002
    Inventors: Dagmar Geppert, Frank Grams, Hans-Willi Krell, Herbert Leinert, Ernesto Menta, Gerd Zimmermann