Patents by Inventor Rolf Pontzen

Rolf Pontzen 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).

  • Fungicidal active compound combinations
    Patent number: 6500836
    Abstract: There are described new active compound combinations of a compound of the formula (I) with known fungicidal active compounds, and their use for combating phytopathogenic fungi.
    Type: Grant
    Filed: June 17, 2002
    Date of Patent: December 31, 2002
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Stenzel, Wilhelm Brandes, Stefan Dutzmann, Bernd-Wieland Krüger, Karl-Heinz Kuck, Rolf Pontzen, Thomas Seitz, Atsumi Kamochi, Ikuya Saitoh
  • Substituted 3-aryl-pyrazoles
    Patent number: 6495492
    Abstract: The invention relates to novel substituted 3-aryl-pyrazoles of the general formula (I) in which n, Q, R1, R2, R3, R4, R5 and X are each as defined in the description, and also to processes for their preparation and to their use as herbicides.
    Type: Grant
    Filed: February 20, 2001
    Date of Patent: December 17, 2002
    Assignee: Bayer Aktiengesellschaft
    Inventors: Otto Schallner, Karl-Heinz Linker, Joachim Kluth, Mark Wilhelm Drewes, Dieter Feucht, Rolf Pontzen, Ingo Wetcholowsky
  • Substituted phenyluracils
    Publication number: 20020173425
    Abstract: Phenyluracils of the general formula (I) 1
    Type: Application
    Filed: February 20, 2002
    Publication date: November 21, 2002
    Inventors: Roland Andree, Hans-Georg Schwarz, Karl-Heinz Linker, Mark Wilhelm Drewes, Peter Dahmen, Dieter Feucht, Rolf Pontzen
  • Arylphenyl-substituted cyclic keto enols
    Patent number: 6451843
    Abstract: The present invention relates to novel arylphenyl-substituted cyclic ketoenols, their preparation and the use of such ketoenols as pesticides and/or herbicides. The novel arylphenyl-substituted cyclic ketoenols are of the formula (I) in which CKE refers to the cyclic ketoenol and W, X, Y and Z are as defined in the specification.
    Type: Grant
    Filed: January 2, 2001
    Date of Patent: September 17, 2002
    Assignee: Bayer Aktiengesellschaft
    Inventors: Folker Lieb, Reiner Fischer, Alan Graff, Udo Schneider, Thomas Bretschneider, Christoph Erdelen, Wolfram Andersch, Mark Wilhelm Drewes, Markus Dollinger, Ingo Wetcholowsky, Dieter Feucht, Rolf Pontzen, Randy Allen Myers
  • Fungicidal active compound combinations
    Patent number: 6448291
    Abstract: There are described new active compound combinations of a compound of the formula (I) with known fungicidal active compounds, and their use for combating phytopathogenic fungi.
    Type: Grant
    Filed: February 1, 2001
    Date of Patent: September 10, 2002
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Stenzel, Wilhelm Brandes, Stefan Dutzmann, Bernd-Wieland Krüger, Karl-Heinz Kuck, Rolf Pontzen, Thomas Seitz, Atsumi Kamochi, Ikuya Saitoh
  • Flufenacet-based herbicidal compositions
    Patent number: 6365550
    Abstract: The invention relates to synergistic herbicidal compositions comprising a combination of (a) flufenacet (N-(4-fluoro-phenyl)-N-(i-propyl)-2-(5-trifluoromethyl-1,3,4-thiadiazol-2-yl-oxy)-acetamide), of the formula (I), and (b) glyphosate (N-phosphonomethyl-glycine) or its esters which are described in the description and/or salts of glyphosate and its esters which are formed with basic compounds and/or (c) glufosinate (2-amino-4-(hydroxy-methyl-phosphinyl)-butanoic acid) and/or the salts of glufosinate which are formed with basic compounds, where 0.01 to 100 parts by weight of glyphosate and/or its salts or its esters and/or their salts, or of glufosinate and/or its salts, are used per part by weight of flufenacet.
    Type: Grant
    Filed: July 20, 2000
    Date of Patent: April 2, 2002
    Assignee: Bayer Aktiengesellschaft
    Inventors: Dieter Feucht, Mark-Wilhelm Drewes, Peter Dahmen, Rolf Pontzen
  • Fungicidal active compound combinations
    Publication number: 20010016591
    Abstract: There are described new active compound combinations of a compound of the formula (I) 1
    Type: Application
    Filed: February 1, 2001
    Publication date: August 23, 2001
    Inventors: Klaus Stenzel, Wilhelm Brandes, Stefan Dutzmann, Bernd-Wieland Kruger, Karl-Heinz Kuck, Rolf Pontzen, Thomas Seitz, Atsumi Kamochi, Ikuya Saitoh
  • Fungicidal active compound combinations
    Patent number: 6207691
    Abstract: There are described new active compound combinations of a compound of the formula (I) with known fungicidal active compounds, and their use for combating phytopathogenic fungi.
    Type: Grant
    Filed: April 20, 1999
    Date of Patent: March 27, 2001
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Stenzel, Wilhelm Brandes, Stefan Dutzmann, Bernd-Wieland Krüger, Karl-Heinz Kuck, Rolf Pontzen, Thomas Seitz, Atsumi Kamochi, Ikuya Saitoh
  • Fungicidal active compound combinations
    Patent number: 5962518
    Abstract: There are described new active compound combinations of a compound of the formula (I) ##STR1## with known fungicidal active compounds, and their use for combating phytopathogenic fungi.
    Type: Grant
    Filed: October 1, 1997
    Date of Patent: October 5, 1999
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Stenzel, Wilhelm Brandes, Stefan Dutzmann, Bernd-Wieland Kruger, Karl-Heinz Kuck, Rolf Pontzen, Thomas Seitz, Atsumi Kamochi, Ikuya Saitoh