Patents by Inventor Hartmut Ahrens

Hartmut Ahrens 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: 11390589
    Abstract: The invention relates to substituted phenylpyrimidines of general formula (I), to their agrochemically acceptable salts (I), and to the use thereof in the field of plant protection.
    Type: Grant
    Filed: May 29, 2019
    Date of Patent: July 19, 2022
    Assignee: BAYER Aktiengesellschaft
    Inventors: Hartmut Ahrens, Birgit Kuhn, Stefan Schnatterer, Dirk Schmutzler, Hansjoerg Dietrich, Anu Bheemaiah Machettira, Elisabeth Asmus, Elmar Gatzweiler
  • Publication number: 20220177428
    Abstract: The present invention relates to novel herbicidally active 3-phenylpyrrolin-2-ones 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: March 9, 2020
    Publication date: June 9, 2022
    Inventors: Alfred ANGERMANN, Guido BOJACK, Estella BUSCATO ARSEQUELL, Hartmut AHRENS, Elisabeth ASMUS, Elmar GATZWEILER
  • Publication number: 20220153725
    Abstract: The invention relates to 4-(4-trifluormethyl-6-cycloropylpyrazolyl)pyrimidines of general formula (I) and to their agrochemically acceptable salts, and to the use thereof in the field of plant protection.
    Type: Application
    Filed: February 17, 2020
    Publication date: May 19, 2022
    Inventors: Michael Gerhard HOFFMANN, Hartmut AHRENS, Isolde HAEUSER-HAHN, Elmar GATZWEILER, Christopher Hugh ROSINGER, Dieter FEUCHT, Elisabeth ASMUS
  • Publication number: 20220151230
    Abstract: The present invention relates to novel herbicidally active 3-phenylpyrrolidine-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: March 9, 2020
    Publication date: May 19, 2022
    Inventors: Alfred ANGERMANN, Guido BOJACK, Estella BUSCATO ARSEQUELL, Hartmut AHRENS, Christopher Hugh ROSINGER, Elmar GATZWEILER, Elisabeth ASMUS
  • 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
  • Patent number: 11304418
    Abstract: Disclosed are N-(1,3,4-oxadiazole-2-yl)aryl carboxamides of formula (I) or the salts (I) thereof as well as the use thereof as herbicides.
    Type: Grant
    Filed: March 22, 2018
    Date of Patent: April 19, 2022
    Inventors: Arnim Koehn, Hartmut Ahrens, Christian Waldraff, Ralf Braun, Stephen David Lindell, Anu Bheemaiah Machettira, Elmar Gatzweiler, Christopher Hugh Rosinger, Hansjoerg Dietrich
  • Publication number: 20210317089
    Abstract: The invention relates to substituted phenylpyrimidines of general formula (I), to their agrochemically acceptable salts (I), and to the use thereof in the field of plant protection.
    Type: Application
    Filed: May 29, 2019
    Publication date: October 14, 2021
    Inventors: Hartmut AHRENS, Birgit KUHN, Stefan SCHNATTERER, Dirk SCHMUTZLER, Hansjoerg DIETRICH, Anu Bheemaiah MACHETTIRA, Elisabeth ASMUS, Elmar GATZWEILER
  • Patent number: 11051515
    Abstract: The invention relates to 3-acyl-benzamides of formula (I) as herbicides. In formulae (I) X, Y, Z and Rx represent radicals such as alkyl, cycloalkyl and halogen.
    Type: Grant
    Filed: August 2, 2018
    Date of Patent: July 6, 2021
    Assignee: Bayer Aktiengesellschaft
    Inventors: Christian Waldraff, Arnim Koehn, Hartmut Ahrens, Ralf Braun, Hansjoerg Dietrich, Anu Bheemaiah Machettira, Christopher Hugh Rosinger, Elmar Gatzweiler, Elisabeth Asmus
  • Publication number: 20210076680
    Abstract: Disclosed are N-(1,3,4-oxadiazole-2-yl)aryl carboxamides of formula (I) or the salts (I) thereof as well as the use thereof as herbicides.
    Type: Application
    Filed: March 22, 2018
    Publication date: March 18, 2021
    Inventors: Arnim KOEHN, Hartmut AHRENS, Christian WALDRAFF, Ralf BRAUN, Stephen David LINDELL, Anu Bheemaiah MACHETTIRA, Elmar GATZWEILER, Christopher Hugh ROSINGER, Hansjoerg DIETRICH
  • Publication number: 20200214294
    Abstract: The invention relates to 3-acyl-benzamides of formula (I) as herbicides. In formulae (I) X, Y, Z and Rx represent radicals such as alkyl, cycloalkyl and halogen.
    Type: Application
    Filed: August 2, 2018
    Publication date: July 9, 2020
    Inventors: Christian WALDRAFF, Arnim KOEHN, Hartmut AHRENS, Ralf BRAUN, Hansjoerg DIETRICH, Anu Bheemaiah MACHETTIRA, Christopher Hugh ROSINGER, Elmar GATZWEILER, Elisabeth ASMUS
  • 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
  • Publication number: 20200055829
    Abstract: Benzoylamides of the general formula (I) are described as herbicides. In this formula (I), X, R and Ra represent radicals such as alkyl, cycloalkyl and halogen. Q represents a five-membered heterocycle.
    Type: Application
    Filed: April 26, 2018
    Publication date: February 20, 2020
    Inventors: Hartmut AHRENS, Joerg TIEBES, Christian WALDRAFF, Hansjoerg DIETRICH, Elmar GATZWEILER, Christopher Hugh ROSiNGER, Anu Bheemaiah MACHETTiRA
  • Patent number: 10556874
    Abstract: N-(1,3,4-Oxadiazol-2-yl)arylcarboxamide derivatives of the general formula (I) are described as herbicides. In this formula (I), V, X and Z represent radicals such as hydrogen, organic radicals such as alkyl, and other radicals such as halogen. A represents an oxadiazole radical. W is CY or N.
    Type: Grant
    Filed: June 29, 2016
    Date of Patent: February 11, 2020
    Assignee: BAYER CROPSCIENCE AKTIENGESELLSCHAFT
    Inventors: Arnim Koehn, Christian Waldraff, Hartmut Ahrens, Ines Heinemann, Ralf Braun, Hansjoerg Dietrich, Christopher Hugh Rosinger, Elmar Gatzweiler
  • Patent number: 10548318
    Abstract: N-(Tetrazol-5-yl)- and N-(triazol-5-yl)arylcarboxamide derivatives of the general formula (I) are described as herbicides. In this formula (I), V, X and Z represent radicals such as hydrogen, organic radicals such as alkyl, and other radicals such as halogen. A represents a tetrazole or triazole radical. W is CY or N.
    Type: Grant
    Filed: June 29, 2016
    Date of Patent: February 4, 2020
    Assignee: BAYER CROPSCIENCE AKTIENGESELLSCHAFT
    Inventors: Arnim Koehn, Christian Waldraff, Hartmut Ahrens, Ines Heinemann, Ralf Braun, Hansjoerg Dietrich, Christopher Hugh Rosinger, Elmar Gatzweiler
  • Patent number: 10433553
    Abstract: Salts of N-(1,3,4-oxadiazol-2-yl)arylcarboxamides of the general formula (I) are described as herbicides. In this formula (I), X, Z and R are radicals such as hydrogen, organic radicals such as alkyl, and other radicals such as halogen. A is nitrogen or carbon. M+ is a cation.
    Type: Grant
    Filed: March 14, 2016
    Date of Patent: October 8, 2019
    Assignee: BAYER CROPSCIENCE AKTIENGESELLSCHAFT
    Inventors: Arnim Köhn, Ralf Braun, Hartmut Ahrens, Christian Waldraff, Ines Heinemann, Hansjörg Dietrich, Elmar Gatzweiler, Christopher Hugh Rosinger
  • Publication number: 20190090485
    Abstract: Herbicidal compositions comprising 2-chloro-3-(methylsulphanyl)-N-(1-methyl-1H-tetrazol-5-yl)-4-(trifluoromethyl)benzamide are described. These herbicidal compositions are particularly suitable for use against harmful plants.
    Type: Application
    Filed: February 20, 2017
    Publication date: March 28, 2019
    Inventors: Lothar LORENTZ, Klaus TRABOLD, Hartmut AHRENS, Christopher Hugh ROSINGER, Christian WALDRAFF, Arnim KÖHN
  • Patent number: 10111435
    Abstract: What are described are herbicidal compositions comprising active ingredients from the group of the N-(1,3,4-oxadiazol-2-yl)arylcarboxamides and further herbicides and optionally safeners. These herbicidal compositions are particularly suitable for use against harmful plants in crops of useful plants.
    Type: Grant
    Filed: October 22, 2014
    Date of Patent: October 30, 2018
    Assignee: BAYER CROPSCIENCE AKTIENGESELLSCHAFT
    Inventors: Arnim Koehn, Christian Waldraff, Elmar Gatzweiler, Klaus Trabold, Hubert Menne, Hartmut Ahrens, Simon Doerner-Rieping, Ralf Braun, Ines Heinemann
  • 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: 20180208563
    Abstract: Thermodynamically stable crystal modification of 2-chloro-3-(methylsulfanyl)-N-(1-methyl-1H-tetrazol-5-yl)-4-(trifluoromethyl)benzamide A thermodynamically stable crystal modification of the herbicidal active ingredient 2-chloro-3-(methylsulfanyl)-N-(1-methyl-1H-tetrazol-5-yl)-4-(trifluoromethyl)benzamide is described. This thermodynamically stable crystal modification has particular advantages in the stability of suspension formulations.
    Type: Application
    Filed: June 30, 2016
    Publication date: July 26, 2018
    Inventors: HARTMUT AHRENS, ARNIM KÖHN, CHRISTIAN WALDRAFF, BRITTA OLENIK, BIRGIT KEIL
  • Publication number: 20180192650
    Abstract: N-(Tetrazol-5-yl)- and N-(triazol-5-yl)arylcarboxamide derivatives of the general formula (I) are described as herbicides. In this formula (I), V, X and Z represent radicals such as hydrogen, organic radicals such as alkyl, and other radicals such as halogen. A represents a tetrazole or triazole radical. W is CY or N.
    Type: Application
    Filed: June 29, 2016
    Publication date: July 12, 2018
    Inventors: Arnim KOEHN, Christian WALDRAFF, Hartmut AHRENS, Ines HEINEMANN, Ralf BRAUN, Hansjoerg DIETRICH, Christopher Hugh ROSINGER, Elmar GATZWEILER