Patents by Inventor Gunter Retzlaff

Gunter Retzlaff 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).

  • Process and agents for controlling harmful fungi
    Patent number: 6262091
    Abstract: Compositions for controlling harmful fungi, containing in a solid or liquid carrier a) at least one p-hydroxyaniline derivative of the formula I b) at least one amide compound of the formula II A—CO—NR8—R9  (II) where the substituents have the meanings indicated in the description; and methods of controlling harmful fungi using compositions of this type are described.
    Type: Grant
    Filed: October 21, 1998
    Date of Patent: July 17, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Oliver Wagner, Karl Eicken, Eberhard Ammermann, Gisela Lorenz, Siegfried Strathmann, Harald Köhle, Günter Retzlaff
  • Process and agent for controlling harmful fungi
    Patent number: 6143745
    Abstract: Compositions for controlling harmful fungi, containing in a solid or liquid carrier pyridaben of the formula: ##STR1## or fenpyroximate of the formula: ##STR2## or tebufenpyrad of the formula: ##STR3## and at least one amide compound of the following formula I:A--CO--NR.sup.1 R.sup.2 (I)where the substituents have the meanings indicated in the description, and methods for controlling harmful fungi using compositions of this type are described.
    Type: Grant
    Filed: October 21, 1998
    Date of Patent: November 7, 2000
    Assignee: BASF Aktiengesellschaft
    Inventors: Karl Eicken, Eberhard Ammermann, Siegfried Strathmann, Gisela Lorenz, Harald Kohle, Gunter Retzlaff
  • Fungicidal agents and method
    Patent number: 6130224
    Abstract: The present invention relates to composiitons for controlling harmful fungi which comprise, as active ingredients, fenazaquin and at least one amide compound of the formula IA--CO--NR.sup.1 R.sup.2 Iwhere A, R.sup.1 and R.sup.2 have the meanings given in the description. The compositions according to the invention are particularly useful for controlling botrytis.
    Type: Grant
    Filed: March 4, 1998
    Date of Patent: October 10, 2000
    Assignee: BASF Aktiengesellschaft
    Inventors: Karl Eicken, Harald Kohle, Gunter Retzlaff, Eberhard Ammermann, Gisela Lorenz, Siegfried Strathmann