Patents by Inventor Stefan Lehr

Stefan Lehr 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).

  • Patent number: 7670991
    Abstract: The invention relates to novel substituted benzoylcyclohexenones of the formula (I) in which Q, R1, R2, R3, R4, R5, Y and Z have one of the meanings given in the disclosure, to processes for their preparation, and to their use.
    Type: Grant
    Filed: May 3, 2002
    Date of Patent: March 2, 2010
    Assignee: Bayer CropScience AG
    Inventors: Hans-Georg Schwarz, Klaus-Helmut Muller, Stefan Herrmann, Dorothee Hoischen, Kristian Kather, Stefan Lehr, Otto Schallner, Mark Wilhelm Drewes, Peter Dahmen, Dieter Feucht, Rolf Pontzen, Shinichi Narabu, Akihiko Yanagi, Shinichi Shirakura, Toshio Goto, Yoshihiro Yamaguchi
  • Publication number: 20100009850
    Abstract: The invention relates to novel iodophenyl-substituted cyclic ketenols of the formula (I) in which CKE, J, X and Y are as defined above, to a plurality of processes and intermediates for their preparation and to their use as pesticides and/or herbicides, and also to selective herbicidal compositions comprising firstly iodophenyl-substituted cyclic ketonols of the formula (I) and secondly at least one crop plant compatibility-improving compound.
    Type: Application
    Filed: September 13, 2005
    Publication date: January 14, 2010
    Inventors: Reiner Fischer, Thomas Bretschneider, Kerstin Ilg, Stefan Lehr, Dieter Feucht, Olga Malsam, Udo Rechkmann, Guido Bojack, Christian Arnold, Thomas Auler, Martin Jeffrey Hills, Heinz Kehne, Waltraud Hempel, Erich Sanwald
  • Publication number: 20100004127
    Abstract: The invention relates to novel compounds of the formula (I) in which W, X, Y, Z, A, B, D, Q1, Q2 and G are as defined above, to a plurality of processes for their preparation and to their use as pesticides and/or herbicides and/or fungicides and also to selective herbicidal compositions comprising, firstly, the 3?-alkoxyspirocyclopentyl-substituted tetramic and tetronic acids of the formula (I) and, secondly, at least one crop plant compatibility-improving compound, and also to boosting the activity of crop protection compositions comprising active compounds from the class of the 3?-alkoxyspirocyclopentyl-substituted tetramic and tetronic acids of the formula (I) by adding ammonium salts and/or phosphonium salts or by adding ammonium salts and/or phosphonium salts and penetrants, to the corresponding compositions, to processes for their preparation and to their use in crop protection.
    Type: Application
    Filed: December 11, 2006
    Publication date: January 7, 2010
    Applicant: Bayer CropScience AG
    Inventors: Reiner Fischer, Stefan Lehr, Dieter Feucht, Eva-Maria Franken, Olga Malsam, Guido Bojack, Christian Arnold, Martin Jeffrey Hills, Heinz Kehne, Christopher Hugh Rosinger, Jan Dittgen
  • Publication number: 20100004129
    Abstract: 4-(3-Alkylsulfinylbenzoyl)pyrazoles of the formula (I) are described as herbicides. In this formula (I), R1 to R4, X and Y are radicals such as hydrogen, organic radicals such as alkyl, and other radicals such as halogen.
    Type: Application
    Filed: May 27, 2009
    Publication date: January 7, 2010
    Applicant: BAYER CROPSCIENCE AG
    Inventors: Hartmut Ahrens, Andreas Almsick, Jan Dittgen, Simon Dörner, Dieter Feucht, Isolde Häuser-Hahn, Stefan Lehr, Christopher Hugh Rosinger
  • Patent number: 7635664
    Abstract: The invention relates to benzoylpyrazoles of the general formula (I), in which Q, R1, R2, R3, R4, R5, Y and Z are as defined in the disclosure, to processes and intermediates for their preparation, and to their use as herbicides.
    Type: Grant
    Filed: May 8, 2002
    Date of Patent: December 22, 2009
    Assignee: Bayer CropScience AG
    Inventors: Hans-Georg Schwarz, Klaus-Helmut Müller, Stefan Herrmann, Dorothee Hoischen, Kristian Kather, Stefan Lehr, Otto Schallner, Mark Wilhelm Drewes, Peter Dahmen, Dieter Feucht, Rolf Pontzen
  • Publication number: 20090305891
    Abstract: The disclosure relates to novel cycloalkylphenyl-substituted cyclic ketoenols of the formula (I) in which J, X, Y, m and CKE are as defined above, to processes and intermediates for their preparation and to their use as pesticides and/or herbicides. Moreover, the disclosure relates to selective herbicidal compositions comprising, firstly, the cycloalkylphenyl-substituted cyclic ketoenols and, secondly, a crop plant compatibility-improving compound. The disclosure furthermore relates to increasing the activity of crop protection compositions comprising compounds of the formula (I) by adding ammonium or phosphonium salts and, if appropriate, penetrants.
    Type: Application
    Filed: February 8, 2007
    Publication date: December 10, 2009
    Applicant: Bayer CropScience AG
    Inventors: Reiner Fischer, Thomas Bretschneider, Stefan Lehr, Dieter Feucht, Eva-Maria Franken, Olga Malsam, Alfred Angermann, Guido Bojack, Christian Arnold, Martin Jeffrey Hills, Heinz Kehne, Christopher Hugh Rosinger
  • Publication number: 20090298828
    Abstract: The invention relates to new alkoxyalkyl-substituted cyclic ketoenols of the formula (I) in which A, B, D, G, W, X, Y and Z have the definitions indicated above, to a number of processes and intermediates for their preparation, and to their use as pesticides and/or herbicides and/or microbicides. The invention further provides selectively herbicidal, compositions which comprise alkoxyalkyl-substituted cyclic ketoenols on the one hand and a crop plant tolerance promoter compound on the other. The invention further relates to the boosting of the action of crop protection compositions comprising compounds of the formula (I) through the additions of ammonium salts or phosphonium salts and optionally penetration promoters.
    Type: Application
    Filed: May 23, 2007
    Publication date: December 3, 2009
    Applicant: BAYER CROPSCIENCE AG
    Inventors: Reiner Fischer, Stefan Lehr, Dieter Feucht, Olga Malsam, Christian Arnold, Martin Jeffrey Hills, Heinz Kehne, Christopher Hugh Rosinger, Rolf Pontzen, Ulrich Görgens, Jan Dittgen
  • Publication number: 20090239906
    Abstract: The invention relates to new alkoxyalkyl-substituted cyclic ketoenols of the formula (I) in which A, B, D, G, W, X and Y have the definitions indicated above, to processes and intermediates for their preparation, and to their use as pesticides and/or microbicides and/or herbicides. The invention further provides selectively herbicidal compositions which comprise alkoxyalkyl-substituted cyclic ketoenols on the one hand and a crop plant tolerance promoter compound on the other. The invention further relates to the boosting of the action of crop protection compositions comprising compounds of the formula (I) through the additions of ammonium salts or phosphonium salts and optionally penetration promoters.
    Type: Application
    Filed: April 12, 2007
    Publication date: September 24, 2009
    Applicant: Bayer CropScience AG
    Inventors: Reiner Fischer, Stefan Lehr, Dieter Feucht, Ulrich Görgens, Olga Malsam, Jan Dittgen, Martin Jeffrey Hills, Heinz Kehne, Christopher Hugh Rosinger
  • Publication number: 20090227563
    Abstract: The present invention concerns boosting the activity of crop protection materials comprising active ingredients from the class of the phenyl-substituted cyclic ketoenols through the addition of ammonium salts and/or phosphonium salts or through the addition of ammonium salts and/or phosphonium salts and penetrants, the corresponding materials, processes for preparing them, and their use in crop protection.
    Type: Application
    Filed: December 11, 2006
    Publication date: September 10, 2009
    Applicant: Bayer CropScience AG
    Inventors: Reiner Fischer, Stefan Lehr, Dieter Feucht, Udo Bickers, Hans Philipp Huff, Erwin Hacker, Rainer Süssmann
  • Publication number: 20090215624
    Abstract: The invention relates to novel alkoxyalkyl spirocyclic tetramic and tetronic acids of the formula (I), in which A, B, D, Q1, Q2, Q3, Q4, G, W, X, Y and Z are as defined above, to a plurality of processes and intermediates for their preparation and to their use as pesticides and/or herbicides and/or microbicides, and also to selective herbicidal compositions comprising, firstly, the alkoxyalkyl spirocyclic tetramic and tetronic acids and, secondly, at least one crop plant compatibility-improving compound.
    Type: Application
    Filed: October 20, 2006
    Publication date: August 27, 2009
    Applicant: Bayer CropScience AG
    Inventors: Reiner Fischer, Oliver Gaertzen, Stefan Lehr, Dieter Feucht, Olga Malsam, Mark Wilhelm Drewes, Eva-Maria Franken, Christian Arnold, Thomas Auler, Martin Jeffrey Hills, Heinz Kehne, Chris Hugh Rosinger, Thomas Bretschneider, Guido Bojack, Jan Dittgen
  • Publication number: 20090209513
    Abstract: The present invention concerns boosting the activity of crop protection materials comprising active ingredients from the class of the phenyl-substituted cyclic ketoenols through the addition of ammonium salts and/or phosphonium salts or through the addition of ammonium salts and/or phosphonium salts and penetrants, the corresponding materials, processes for preparing them, and their use in crop protection.
    Type: Application
    Filed: December 11, 2006
    Publication date: August 20, 2009
    Applicant: Bayer CropScience AG
    Inventors: Reiner Fischer, Stefan Lehr, Peter Marczok, Udo Reckmann, Christian Arnold, Waltraud Hempel, Erich Sanwald, Rolf Pontzen
  • Publication number: 20090137393
    Abstract: The invention relates to novel 2,4,6-trialkylphenyl-substituted cyclopentane-1,3-diones of the formula (I) in which X, Y, A, B, Q1, Q2 and G have the meanings given above, to a plurality of processes and intermediates for their preparation and to their use as pesticides and/or herbicides, and also to selective herbicidal compositions comprising, firstly, the 2,4,6-trialkylphenyl-substituted cyclopentane-1,3-diones of the formula (I) and, secondly, at least one crop plant compatibility-improving compound.
    Type: Application
    Filed: January 3, 2007
    Publication date: May 28, 2009
    Applicant: Bayer CropScience AG
    Inventors: Reiner Fischer, Stefan Lehr, Dieter Feucht, Ulrich Gorgens, Olga Malsam, Alfred Angermann, Guido Bojack, Alan Graff, Christian Arnold, Thomas Auler, Martin Jeffrey Hills, Hein Kehne, Christopher Hugh Rosinger, Jan Dittgen
  • Publication number: 20090069184
    Abstract: What is described are 4-(4-trifluoromethyl-3-thiobenzoyl)pyrazoles of the general formula (I) and their use as herbicides. In this formula (I), R1, R2, R3 and R4 are radicals such as hydrogen and organic radicals, such as alkyl. Y is hydrogen or a protective group, such as tosyl.
    Type: Application
    Filed: April 10, 2008
    Publication date: March 12, 2009
    Applicant: Bayer CropScience AG
    Inventors: Hartmut Ahrens, Andreas van Almsick, Monika Schmitt, Jan Dittgen, Martin Hills, Heinz Kehne, Christopher Rosinger, Stefan Lehr, Dieter Feucht
  • Publication number: 20090029858
    Abstract: The invention relates to novel spirocyclic 3?-alkoxytetramic acids and -tetronic acids of the formula (I), in which A, B, D, Q1, Q2, G, W, X, Y and Z are as defined above, to a plurality of processes and intermediates for their preparation and to their use as pesticides and/or herbicides and/or microbicides, and also to selective herbicidal compositions comprising firstly the spirocyclic 3?-alkoxytetramic acids and -tetronic acids and secondly at least one compound which improves crop plant tolerance.
    Type: Application
    Filed: June 18, 2005
    Publication date: January 29, 2009
    Applicant: BAYER CROPSCIENCE AKTIENGESELLSCHAFT
    Inventors: Reiner Fischer, Oliver Gaertzen, Stefan Lehr, Thomas Bretschneider, Dieter Feucht, Olga Malsam, Christian Arnold, Thomas Auler, Martin Jeffrey Hills, Heinz Kehne, Chris Rosinger
  • Publication number: 20090005250
    Abstract: Compounds of the formula (I) or salts thereof, in which in which R1 is an optionally substituted amino group or analogous group, and R2 to R7 are each as described herein, are suitable as herbicides and crop growth regulators. The compounds (I) can be prepared by the processes described, via intermediates including novel intermediates for example of the formula (III).
    Type: Application
    Filed: December 14, 2007
    Publication date: January 1, 2009
    Applicant: Bayer CropScience AG
    Inventors: Hartmut Ahrens, Hansjorg Dietrich, Thomas Auler, Martin Hills, Heinz Kehne, Dieter Feucht, Stefan Herrmann, Kristian Kather, Stefan Lehr
  • Publication number: 20080318776
    Abstract: The invention relates to novel 2,6-diethyl-4-methylphenyl-substituted tetramic acid derivatives of the formula (I) in which A, B, D and G are as defined above, to a plurality of processes and intermediates for their preparation and to their use as pesticides and/or herbicides, and also to selectively herbicidal compositions comprising, firstly, the 2,6-diethyl-4-methylphenyl-substituted tetramic acid derivatives of the formula (I) and, secondly, at least one crop plant tolerance promoter compound.
    Type: Application
    Filed: October 21, 2005
    Publication date: December 25, 2008
    Inventors: Reiner Fischer, Stefan Lehr, Mark Wilhelm Drewes, Dieter Feucht, Olga Malsam, Guido Bojack, Christian Arnold, Thomas Auler, Marin Jeffrey Hills, Heinz Kehne, Chris Rosinger
  • Publication number: 20080305956
    Abstract: What is described are 3-cyclopropyl-4-(3-thiobenzoyl)pyrazoles of the general formula (I) and their use as herbicides In this formula (I), R1, R2, R3, X and Y are radicals such as hydrogen and organic radicals, such as alkyl. R4 is hydrogen or a protective group, such as tosyl.
    Type: Application
    Filed: June 9, 2008
    Publication date: December 11, 2008
    Applicant: Bayer CropScience AG
    Inventors: Hartmut Ahrens, Andreas van Almsick, Stefan Lehr, Monika Schmitt, Jan Dittgen, Dieter Feucht, Martin Hills, Heinz Kehne, Christopher Rosinger
  • Publication number: 20080305955
    Abstract: The invention relates to novel spiroketal-substituted cyclic ketoenols of the formula (I) in which A, B, Q1, Q2, D, G, W, X, Y, and Z are as defined above, to processes and intermediates for their preparation and to their use as pesticides and/or microbicides and/or herbicides. Moreover, the invention relates to selective herbicidal compositions comprising, firstly, spiroketal-substituted cyclic ketoenols and, secondly, a crop plant compatibility-improving compound.
    Type: Application
    Filed: February 8, 2006
    Publication date: December 11, 2008
    Applicant: Bayer CropScience AG
    Inventors: Thomas Bretschneider, Reiner Fischer, Oliver Gaertzen, Stefan Lehr, Mark Wilhelm Drewes, Dieter Feucht, Olga Malsam, Udo Reckmann, Christian Arnold, Thomas Auler, Waltraud Hempel, Martin Jeffrey Hills, Heinz Kehne, Christopher Hugh Rosinger, Erich Sanwald
  • Publication number: 20080220973
    Abstract: The invention relates to novel 2-alkoxy-6-alkylphenyl-substituted spirocyclic tetramic acid derivatives of the formula (I) in which A, B, D, G, X, Y and Z are as defined above, to a plurality of processes and intermediates for their preparation and to their use as pesticides and/or herbicides, and also to selective herbicidal compositions comprising, firstly, the 2-alkoxy-6-alkylphenyl-substituted spirocyclic tetramic acid derivatives of the formula (I) and, secondly, at least one crop plant tolerance promoter compound.
    Type: Application
    Filed: October 21, 2005
    Publication date: September 11, 2008
    Inventors: Reiner Fischer, Stefan Lehr, Mark Wilhelm Drewes, Dieter Feucht, Olga Malsam, Guido Bojack, Christian Arnold, Thomas Auler, Martin Jeffrey Hills, Heinz Kehne, Chris Rosinger
  • Patent number: 7420062
    Abstract: The present invention relates to hetaryl-substituted pyrazolidine derivatives of the formula (I) in which Het, A, D and G are as defined above, to a plurality of processes for their preparation and to their use as pesticides and/or herbicides. Moreover, the invention relates to selective herbicidal compositions comprising both the hetaryl-substituted pyrazolidinedione derivatives and a crop plant compatibility-improving compound.
    Type: Grant
    Filed: July 12, 2004
    Date of Patent: September 2, 2008
    Assignee: Bayer CropScience, AG
    Inventors: Reiner Fischer, Lutz Aβmann, Stefan Lehr, Mark Wilhelm Drewes, Dieter Feucht, Olga Malsam, Guido Bojack, Thomas Auler, Martin Jeffrey Hills, Heinz Kehne, Christian Arnold