Patents by Inventor Hermann Graf

Hermann Graf 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).

  • Pyridazinone derivatives, their preparation and their use as fungicides
    Patent number: 4663324
    Abstract: Pyridazinone derivatives of the formula I ##STR1## where R.sup.1 is hydrogen, unsubstituted or substituted alkyl, cycloalkyl, or unsubstituted or substituted phenyl or is carboxyl, hydroxymethyl or --CH.sub.2 O--COR.sup.3, where R.sup.3 is alkyl, or is --CH.sub.2 O[CH.sub.2 CH.sub.2 O].sub.p R.sup.4, where R.sup.4 is alkyl or phenyl and p is 1, 2 or 3,R.sup.2 is phenyl, unsubstituted or substituted vinyl or 2-propenyl,X is halogen,m is 1 or 2 andn is 1, 2, 3 or 4, and fungicides containing these compounds.
    Type: Grant
    Filed: August 10, 1984
    Date of Patent: May 5, 1987
    Assignee: BASF Aktiengesellschaft
    Inventors: Hermann Graf, Costin Rentzea, Winfried Richarz, Helmut Froehlich, Eberhard Ammermann, Ernst-Heinrich Pommer
  • 7-aminoazolo[1,5-a]pyrimidines and fungicides containing these
    Patent number: 4617303
    Abstract: 7-Aminoazolo[1,5-a]pyrimidines of the formula ##STR1## where R.sup.1 is alkyl or aralkyl,R.sup.2 and R.sup.3 are each hydrogen or alkyl, andA is nitrogen or CR.sup.4, whereR.sup.4 is hydrogen, alkyl or halogen, and fungicides containing these compounds.
    Type: Grant
    Filed: October 19, 1984
    Date of Patent: October 14, 1986
    Assignee: BASF Aktiengesellschaft
    Inventors: Karl Eicken, Hermann Graf, Walter Gramlich, Hubert Sauter, Costin Rentzea, Ernst-Heinrich Pommer, Eberhard Ammermann
  • 7-aminozolo[1,5-a]pyrimidines and fungicides containing these
    Patent number: RE32676
    Abstract: 7-Aminoazolo[1,5-a]pyrimidines of the formula ##STR1## where R.sup.1 is alkyl or aralkyl,R.sup.2 and R.sup.3 are each hydrogen or alkyl, andA is nitrogen or CR.sup.4, whereR.sup.4 is hydrogen, alkyl or halogen, and fungicides containing these compounds.
    Type: Grant
    Filed: June 3, 1987
    Date of Patent: May 24, 1988
    Assignee: BASF Aktiengesellschaft
    Inventors: Karl Eicken, Hermann Graf, Walter Gramlich, Hubert Sauter, Costin Rentzea, Ernst-Heinrich Pommer, Eberhard Ammermann