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).

  • Publication number: 20220119358
    Abstract: Arylcarboxamides of the general formula (I) are described as herbicides. In this formula (I), IV, X, Y and Z represent radicals such as alkyl and halogen.
    Type: Application
    Filed: January 10, 2020
    Publication date: April 21, 2022
    Inventors: Christian WALDRAFF, Hartmut AHRENS, Stefan LEHR, Elisabeth ASMUS, Hansjoerg DIETRICH, Elmar GATZWEILER, Anu Bheemaiah MACHETTIRA, Christopher Hugh ROSINGER
  • Publication number: 20220106271
    Abstract: The present invention relates to novel herbicidally active 2-bromo-6-alkoxyphenyl-substituted pyrrolidine-2,4-diones of the general formula (I) or agrochemically acceptable salts thereof and to their use for controlling broad-leaved weeds and weed grasses in crops of useful plants.
    Type: Application
    Filed: May 13, 2019
    Publication date: April 7, 2022
    Applicant: Bayer Aktiengesellschaft
    Inventors: Guido BOJACK, Alfred ANGERMANN, Andreas REMBIAK, Estella BUSCATO ARSEQUELL, Stefan LEHR, Elmar GATZWEILER, Anu Bheemaiah MACHETTIRA, Christopher Hugh ROSINGER
  • Publication number: 20220056040
    Abstract: The present invention relates to new herbicidally active 3-phenylpyrrolin-2-ones according to general formula (I) or agrochemically acceptable salts thereof, and the use thereof for controlling weeds and weed grasses in plant crops.
    Type: Application
    Filed: March 9, 2020
    Publication date: February 24, 2022
    Inventors: Guido BOJACK, Alfred ANGERMANN, Estella BUSCATO ARSEQUELL, Andreas REMBIAK, Stefan LEHR, Elmar GATZWEILER, Anu Bheemaiah MACHETTIRA, Elisabeth ASMUS, Dirk SCHMUTZLER
  • Publication number: 20210400966
    Abstract: The present invention relates to novel effective alkynyl-substituted N-phenylpyrrolidine-2,4-diones according to the general formula (I) or agrochemically acceptable salts thereof, where X=C1-C4-alkyl, C1-C4-haloalkyl or C3-C6-cycloalkyl, Y=C1-C4-alkyl or C3-C6-cycloalkyl, R1=hydrogen, C1-C6-alkyl, or C3-C6-cycloalkyl, R2=hydrogen or methyl, R3=C1-C6-alkyl or C1-C6-alkoxy-C2-C6-alkyl, G=hydrogen, a cleavable group L or a cation E. The invention further relates to a herbicidal composition comprising a compound of the general formula (I) and to the use of the compounds according to the invention for controlling weeds and weed grasses in crops of useful plants.
    Type: Application
    Filed: September 10, 2021
    Publication date: December 30, 2021
    Inventors: Alfred ANGERMANN, Stefan LEHR, Reiner FISCHER, Guido BOJACK, Hendrik HELMKE, Dirk SCHMUTZLER, Hansjoerg DIETRICH, Elmar GATZWEILER, Christopher Hugh ROSINGER
  • Patent number: 11178868
    Abstract: The present invention relates to alkynyl-substituted N-phenylpyrrolidine-2,4-diones according to the general formula (I) or agrochemically acceptable salts thereof, where X=C1-C4-alkyl, C1-C4-haloalkyl or C3-C6-cycloalkyl, Y=C1-C4-alkyl or C3-C6-cycloalkyl, R1=hydrogen, C1-C6-alkyl, or C3-C6-cycloalkyl, R2=hydrogen or methyl, R3=C1-C6-alkyl or C1-C6-alkoxy-C2-C6-alkyl, G=hydrogen, a cleavable group L or a cation E. The invention further relates to a herbicidal composition comprising a compound of the general formula (I) and to the use of the compounds according to the invention for controlling weeds and weed grasses in crops of useful plants.
    Type: Grant
    Filed: October 4, 2016
    Date of Patent: November 23, 2021
    Assignee: Bayer CropScience Aktiengesellschaft
    Inventors: Alfred Angermann, Stefan Lehr, Reiner Fischer, Guido Bojack, Hendrik Helmke, Dirk Schmutzler, Hansjörg Dietrich, Elmar Gatzweiler, Christopher Hugh Rosinger
  • Publication number: 20210024465
    Abstract: The present invention relates to novel effective alkynyl-substituted 3-phenylpyrrolidine-2,4-diones according to the general formula (I) or agrochemically acceptable salts thereof, where X?C1-C4-alkyl, C1-C4-haloalkyl or C3-C6-cycloalkyl; Y?C1-C4-alkyl or C3-C6-cycloalkyl, n=1, 2 or 3; m=1 or 2; R1?C1-C6-alkyl, or C3-C6-cycloalkyl, R2=hydrogen or methyl; R3?C1-C3-alkoxy-C1-C3-alkyl, or a saturated five- or six-membered heterocycle with an oxygen or sulphur atom; G=hydrogen, a cleavable group L or a cation E. The invention also relates to the use of the compounds according to the invention for controlling weeds and weed grasses in crops of useful plants.
    Type: Application
    Filed: September 30, 2020
    Publication date: January 28, 2021
    Inventors: Alfred ANGERMANN, Stefan LEHR, Hendrik HELMKE, Reiner FISCHER, Guido BOJACK, Christopher Hugh ROSINGER, Elmar GATZWEILER, Hansjoerg DIETRICH
  • Patent number: 10899709
    Abstract: Novel alkynyl-substituted 3-phenylpyrrolidine-2,4-diones and use thereof as herbicides The present invention relates to novel effective alkynyl-substituted 3-phenylpyrrolidine-2,4-diones according to the general formula (I) or agrochemically acceptable salts thereof, where X?C1-C4-alkyl, C1-C4-haloalkyl or C3-C6-cycloalkyl; Y?C1-C4-alkyl or C3-C6-cycloalkyl; n=1, 2 or 3; m=1 or 2; R1=C1-C6-alkyl, or C3-C6-cycloalkyl; R2=hydrogen or methyl; R3?C1-C3-alkoxy-C1-C3-alkyl, or a saturated five- or six-membered heterocycle with an oxygen or sulphur atom; G=hydrogen, a cleavable group L or a cation E. The invention also relates to the use of the compounds according to the invention for controlling weeds and weed grasses in crops of useful plants.
    Type: Grant
    Filed: June 20, 2016
    Date of Patent: January 26, 2021
    Assignee: BAYER CROPSCIENCE AKTIENGESELLSCHAFT
    Inventors: Alfred Angermann, Stefan Lehr, Hendrik Helmke, Reiner Fischer, Guido Bojack, Christopher Hugh Rosinger, Elmar Gatzweiler, Hansjörg Dietrich
  • Patent number: 10604494
    Abstract: Acylated N-(1,2,5-oxadiazol-3-yl)-, N-(1,3,4-oxadiazol-2-yl)-, N-(tetrazol-5-yl)- and N-(triazol-5-yl)arylcarboxamides of the formula (I) and the use thereof as herbicides are described. In this formula (I), R, V, X, Y and Z are radicals such as hydrogen, organic radicals such as alkyl, and other radicals such as halogen. Q is an oxadiazole, triazole or tetrazole radical. W is CY or N.
    Type: Grant
    Filed: September 21, 2016
    Date of Patent: March 31, 2020
    Assignee: BAYER CROPSCIENCE AKTIENGESELLSCHAFT
    Inventors: Arnim Koehn, Ralf Braun, Christian Waldraff, Hartmut Ahrens, Andreas Van Almsick, Stefan Lehr, Stephen David Lindell, Hansjoerg Dietrich, Christopher Hugh Rosinger, Elmar Gatzweiler
  • Patent number: 10435372
    Abstract: Compounds (A) can be used for increasing the yield of useful plants or crop plants with respect to their harvested plant organs, wherein the Compound (A) is selected from compounds of the formula (I) or salts thereof, in which (R1)n is n radicals R1 where the R1 are identical or different and are each halogen or (C1-C4)-haloalkyl, n is an integer from 1 to 3, R2 is hydrogen, (C1-C6)-alkyl, (C1-C4)-alkoxy-(C1-C4)-alkyl, (C3-C6)-cycloalkyl, tri-(C1-C4)-alkyl-silyl or tri-(C1-C4)-alkyl-silylmethyl, R3 is hydrogen, (C1-C6)-alkyl, (C1-C6)-haloalkyl, (C2-C6)-alkenyl, (C2-C6)-alkynyl or (C3-C6)-cycloalkyl, and R4 is hydrogen or (C1-C12)-alkyl, preferably mefepyr-diethyl (Compound (A1)]
    Type: Grant
    Filed: February 17, 2017
    Date of Patent: October 8, 2019
    Assignee: Bayer Intellectual Property GmbH
    Inventors: Erwin Hacker, Stefan Lehr, Georg Bonfig-Picard, Martin Hess, Frank Ziemer, Mathias Schmidt, Martin Jeffrey Hills, Udo Bickers, Juan Pedro Ruiz-Santaella Moreno
  • Publication number: 20190233369
    Abstract: Compounds (A) can be used for increasing the yield of useful plants or crop plants with respect to their harvested plant organs, wherein the Compound (A) is selected from compounds of the formula (I) or salts thereof, wherein the symbols are defined as in claim 1, preferably cyprosulfamide [Compound (A1)].
    Type: Application
    Filed: April 9, 2019
    Publication date: August 1, 2019
    Inventors: Erwin HACKER, Georg BONFIG-PICARD, Stefan LEHR, Udo BICKERS, Martin HESS, Klaus TRABOLD, Mathias SCHMIDT, Frank ZIEMER, Juan Pedro RUIZ-SANTAELLA MORENO
  • Publication number: 20190174758
    Abstract: The present invention relates to novel effective alkynyl-substituted N-phenylpyrrolidine-2,4-diones according to the general formula (I) or agrochemically acceptable salts thereof, where X=C1-C4-alkyl, C1-C4-haloalkyl or C3-C6-cycloalkyl, Y=C1-C4-alkyl or C3-C6-cycloalkyl, R1=hydrogen, C1-C6-alkyl, or C3-C6-cycloalkyl, R2=hydrogen or methyl, R3=C1-C6-alkyl or C1-C6-alkoxy-C2-C6-alkyl, G=hydrogen, a cleavable group L or a cation E. The invention further relates to a herbicidal composition comprising a compound of the general formula (I) and to the use of the compounds according to the invention for controlling weeds and weed grasses in crops of useful plants.
    Type: Application
    Filed: October 4, 2016
    Publication date: June 13, 2019
    Inventors: Alfred ANGERMANN, Stefan LEHR, Reiner FISCHER, Guido BOJACK, Hendrik HELMKE, Dirk SCHMUTZLER, Hansjörg DIETRICH, Elmar GATZWEILER, Christopher Hugh ROSINGER
  • Patent number: 10301257
    Abstract: Compounds (A) can be used for increasing the yield of useful plants or crop plants with respect to their harvested plant organs, wherein the Compound (A) is selected from compounds of the formula (I) or salts thereof, wherein the symbols are defined as in claim 1, preferably cyprosulfamide [Compound (A1)].
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: May 28, 2019
    Assignee: BAYER INTELLECTUAL PROPERTY GMBH
    Inventors: Erwin Hacker, Georg Bonfig-Picard, Stefan Lehr, Udo Bickers, Martin Hess, Klaus Trabold, Mathias Schmidt, Frank Ziemer, Juan Pedro Ruiz-Santaella Moreno
  • Publication number: 20190119298
    Abstract: The present invention relates to novel herbicidally effective fused 3-phenyltetramic acid derivatives according to the general formula (I) or agrochemically acceptable salts thereof, and to the use of these compounds for controlling weeds and weed grasses in crops of useful plants.
    Type: Application
    Filed: April 6, 2017
    Publication date: April 25, 2019
    Inventors: Franz FENKL, Hendrik HELMKE, Andreas REMBIAK, Alfred ANGERMANN, Stefan LEHR, Reiner FISCHER, Guido BOJACK, Hansjoerg DIETRICH, Elmar GATZWEILER, Christopher Hugh ROSINGER
  • Publication number: 20190077765
    Abstract: Compounds (A) can be used for increasing the yield of useful plants or crop plants with respect to their harvested plant organs, wherein the Compound (A) is selected from compounds of the formula (I) or salts thereof, in which (R1)n is n radicals R1 where the R1 are identical or different and are each halogen or (C1-C4)-haloalkyl, n is an integer from 1 to 3, R2 is hydrogen, (C1-C6)-alkyl, (C1-C4)-alkoxy-(C1-C4)-alkyl, (C3-C6)-cycloalkyl, tri-(C1-C4)-alkyl-silyl or tri-(C1-C4)-alkyl-silylmethyl, R3 is hydrogen, (C1-C6)-alkyl, (C1-C6)-haloalkyl, (C2-C6)-alkenyl, (C2-C6)-alkynyl or (C3-C6)-cycloalkyl, and R4 is hydrogen or (C1-C12)-alkyl, preferably mefepyr-diethyl (Compound (A1)]
    Type: Application
    Filed: November 14, 2018
    Publication date: March 14, 2019
    Inventors: Erwin Hacker, Stefan Lehr, Georg Bonfig-Picard, Martin Hess, Frank Ziemer, Mathias Schmidt, Martin Jeffrey Hills, Udo Bickers, Juan Pedro Ruiz-Santaella Moreno
  • Publication number: 20180282290
    Abstract: Acylated N-(1,2,5-oxadiazol-3-yl)-, N-(1,3,4-oxadiazol-2-yl)-, N-(tetrazol-5-yl)- and N-(triazol-5-yl)-aryl carboxamides, and use thereof as herbicides Acylated N-(1,2,5-oxadiazol-3-yl)-, N-(1,3,4-oxadiazol-2-yl)-, N-(tetrazol-5-yl)- and N-(triazol-5-yl)arylcarboxamides of the formula (I) and the use thereof as herbicides are described. In this formula (I), R, V, X, Y and Z are radicals such as hydrogen, organic radicals such as alkyl, and other radicals such as halogen. Q is an oxadiazole, triazole or tetrazole radical. W is CY or N.
    Type: Application
    Filed: September 21, 2016
    Publication date: October 4, 2018
    Inventors: Arnim KOEHN, Ralf BRAUN, Christian WALDRAFF, Hartmut AHRENS, Andreas VAN ALMSICK, Stefan LEHR, Stephen David LINDELL, Hansjoerg DIETRICH, Christopher Hugh ROSINGER, Elmar GATZWEILER
  • Publication number: 20180282275
    Abstract: The present invention relates to novel effective alkynyl-substituted 3-phenylpyrrolidine-2,4-diones according to the general formula (I) or agrochemically acceptable salts thereof, where X=C1-C4-alkyl, C1-C4-haloalkyl or C3-C6-cycloalkyl, Y=C1-C4-alkyl or C3-C6-cycloalkyl, R1=hydrogen, C1-C6-alkyl, or C3-C6-cycloalkyl, R2=hydrogen or methyl, R3=C1-C6-alkyl or C1-C6-alkoxy-C2-C6-alkyl, G=hydrogen, a cleavable group L or a cation E, where R3 is not equal to methyl if R1=methyl and R3 is not equal to C1-C3-alkyl if R1=H. The invention also relates to a herbicidal composition comprising a compound of the general formula (I) and to the use of the compounds according to the invention for controlling weeds and weed grasses in crops of useful plants.
    Type: Application
    Filed: October 4, 2016
    Publication date: October 4, 2018
    Inventors: Alfred ANGERMANN, Stefan LEHR, Reiner FISCHER, Guido BOJACK, Hendrik HELMKE, Dirk SCHMUTZLER, Hansjörg DIETRICH, Elmar GATZWEILER, Christopher Hugh ROSINGER
  • Patent number: 10065926
    Abstract: The invention relates to the use of substituted dihydrooxindolylsulfonamides or salts thereof of the formula (I) where the radicals in the general formula (I) correspond to the definitions given in the description, for enhancing stress tolerance in plants to abiotic stress, and/or for increasing plant yield.
    Type: Grant
    Filed: October 2, 2014
    Date of Patent: September 4, 2018
    Assignee: BAYER CROPSCIENCE AKTIENGESELLSCHAFT
    Inventors: Jens Frackenpohl, Guido Bojack, Hendrik Helmke, Stefan Lehr, Thomas Mueller, Lothar Willms, Jan Dittgen, Dirk Schmutzler, Udo Bickers, Harry Strek, Rachel Baltz
  • Publication number: 20180206498
    Abstract: The invention relates to substituted heteroaryl carboxylic acid hydrazides of general formula (I) or salts thereof, wherein the groups of formula (I) have the definitions stated in the description, for increasing the stress tolerance in plants with respect to abiotic stress, and also for strengthening plant growth and/or for increasing plant yield.
    Type: Application
    Filed: July 14, 2016
    Publication date: July 26, 2018
    Inventors: Jens FRACKENPOHL, Guido BOJACK, Marco BRUENJES, Hendrik HELMKE, Stefan LEHR, Peter BRUECHNER, Joerg TIEBES, Marc MOSRIN, Jan DITTGEN, Dirk SCHMUTZLER, Philippe DESBORDES
  • Publication number: 20180206495
    Abstract: Substituted aryl- and heteroarylcarbonyl hydrazides The invention relates to substituted aryl- and heteroarylcarbonyl hydrazides of the general formula (I) or salts thereof where the radicals of the formula (I) are each as defined in the description for enhancing stress tolerance in plants to abiotic stress, and for enhancing plant growth and/or for increasing plant yield.
    Type: Application
    Filed: July 14, 2016
    Publication date: July 26, 2018
    Inventors: Jens FRACKENPOHL, Guido BOJACK, Marco BRÜNJES, Hendrik HELMKE, Isabelle ADELT, Stefan LEHR, Peter BRÜCHNER, Jan DITTGEN, Dirk SCHMUTZLER, Ines HEINEMANN, Udo BICKERS, Martin Jeffrey HILLS, Juan Pedro RUIZ-SANTAELLA, Harry STREK, Philippe DESBORDES
  • Publication number: 20180170872
    Abstract: Novel alkynyl-substituted 3-phenylpyrrolidine-2,4-diones and use thereof as herbicides The present invention relates to novel effective alkynyl-substituted 3-phenylpyrrolidine-2,4-diones according to the general formula (I) or agrochemically acceptable salts thereof, where X?C1-C4-alkyl, C1-C4-haloalkyl or C3-C6-cycloalkyl; Y?C1-C4-alkyl or C3-C6-cycloalkyl; n=1, 2 or 3; m=1 or 2; R1=C1-C6-alkyl, or C3-C6-cycloalkyl; R2=hydrogen or methyl; R3?C1-C3-alkoxy-C1-C3-alkyl, or a saturated five- or six-membered heterocycle with an oxygen or sulphur atom; G=hydrogen, a cleavable group L or a cation E. The invention also relates to the use of the compounds according to the invention for controlling weeds and weed grasses in crops of useful plants.
    Type: Application
    Filed: June 20, 2016
    Publication date: June 21, 2018
    Inventors: ALFRED ANGERMANN, STEFAN LEHR, HENDRIK HELMKE, REINER FISCHER, GUIDO BOJACK, CHRISTOPHER HUGH ROSINGER, ELMAR GATZWEILER, HANSJÖRG DIETRICH