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).

  • 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
  • Publication number: 20180179171
    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: Application
    Filed: June 29, 2016
    Publication date: June 28, 2018
    Inventors: Arnim KOEHN, Christian WALDRAFF, Hartmut AHRENS, Ines HEINEMANN, Ralf BRAUN, Hansjoerg DIETRICH, Christopher Hugh ROSINGER, Elmar GATZWEILER
  • Patent number: 9988347
    Abstract: Benzamides of the general formula (I) are described as herbicides. In this formula (I), X, Z and R are radicals such as alkyl and cycloalkyl. Q is a 5-membered heterocycle.
    Type: Grant
    Filed: June 26, 2015
    Date of Patent: June 5, 2018
    Assignee: BAYER CROPSCIENCE AKTIENGESELLSCHAFT
    Inventors: Hartmut Ahrens, Joerg Tiebes, Christian Waldraff, Hansjoerg Dietrich, Elmar Gatzweiler, Christopher Hugh Rosinger, Dirk Schmutzler
  • Patent number: 9988359
    Abstract: The invention relates to benzoic acid amides of general formula (I) as herbicides. In formula (I) X, Z and R represent radicals such as alkyl and cycloalkyl. Q represents a 5-membered heterocycle.
    Type: Grant
    Filed: June 26, 2015
    Date of Patent: June 5, 2018
    Assignee: BAYER CROPSCIENCE AKTIENGESELLSCHAFT
    Inventors: Hartmut Ahrens, Jörg Tiebes, Christian Waldraff, Simon Dörner-Rieping, Ines Heinemann, Hansjörg Dietrich, Elmar Gatzweiler, Christopher Rosinger, Dirk Schmutzler
  • Patent number: 9968090
    Abstract: What are described are herbicide-safener compositions comprising active herbicidal ingredients from the group of the N-(1,3,4-oxadiazol-2-yl)arylcarboxamides and safeners. These herbicide-safener compositions are particularly suitable for use against harmful plants in crops of useful plants.
    Type: Grant
    Filed: September 30, 2014
    Date of Patent: May 15, 2018
    Assignee: BAYER CROPSCIENCE AKTIENGESELLSCHAFT
    Inventors: Arnim Koehn, Christopher Hugh Rosinger, Elmar Gatzweiler, Hartmut Ahrens, Simon Doerner-Rieping, Christian Waldraff, Ralf Braun, Ines Heinemann
  • Publication number: 20180077935
    Abstract: The invention relates to salts of N-(1,3,4-oxadiazol-2-yl) aryl carboxylic acid amides of general formula (I), as herbicides. In this formula (I), X, Z and R stand for groups such as hydrogen, organic groups such as alkyl, and other groups such as halogen. A represents nitrogen or carbon. M+ represents a cation.
    Type: Application
    Filed: March 14, 2016
    Publication date: March 22, 2018
    Inventors: ARNIM KÖHN, RALF BRAUN, HARTMUT AHRENS, CHRISTIAN WALDRAFF, INES HEINEMANN, HANSJÖRG DIETRICH, ELMAR GATZWEILER, CHRISTOPHER HUGH ROSINGER
  • Patent number: 9815802
    Abstract: N-(1-Methyltetrazol-5-yl)benzamides of the general formula (I) are described as herbicides. In this formula (I), X, Z and R are radicals such as alkyl and cycloalkyl.
    Type: Grant
    Filed: June 26, 2015
    Date of Patent: November 14, 2017
    Assignee: BAYER CROPSCIENCE AKTIENGESELLSCHAFT
    Inventors: Hartmut Ahrens, Ines Heinemann, Joerg Tiebes, Christian Waldraff, Simon Doerner-Rieping, Elmar Gatzweiler, Christopher Hugh Rosinger, Dirk Schmutzler, Hansjoerg Dietrich
  • Patent number: 9758494
    Abstract: N-(Oxazol-2-yl)-aryl-carboxylic acid amides and use thereof as herbicides N-(Isoxazol-3-yl)arylcarboxamides and their use as herbicides are described. In this formula (I), A represents N or C—Y. R, R?, V, X, Y and Z represent radicals such as hydrogen, halogen and organic radicals such as substituted alkyl.
    Type: Grant
    Filed: December 3, 2013
    Date of Patent: September 12, 2017
    Assignee: BAYER CROPSCIENCE AG
    Inventors: Arnim Koehn, Hartmut Ahrens, Ralf Braun, Ines Heinemann, Joerg Tiebes, Christian Waldraff, Hansjoerg Dietrich, Elmar Gatzweiler, Christopher Hugh Rosinger, Dirk Schmutzler
  • Patent number: 9732048
    Abstract: The invention relates to N-(isoxazol-3-yl)-aryl-carboxylic acid amides and use thereof as herbicides. In formula (I), A stands for N or C—Y. R, V, X, Y, and Z stand for groups such as hydrogen, halogen, and organic groups such as substituted alkyl.
    Type: Grant
    Filed: December 3, 2013
    Date of Patent: August 15, 2017
    Assignee: BAYER CROPSCIENCE AG
    Inventors: Arnim Koehn, Hartmut Ahrens, Ralf Braun, Ines Heinemann, Joerg Tiebes, Christian Waldraff, Hansjoerg Dietrich, Elmar Gatzweiler, Christopher Hugh Rosinger, Dirk Schmutzler
  • Publication number: 20170197926
    Abstract: The invention relates to benzoic acid amides of general formula (I) as herbicides. In formula (I) X, Z and R represent radicals such as alkyl and cycloalkyl. Q represents a 5-membered heterocycle.
    Type: Application
    Filed: June 26, 2015
    Publication date: July 13, 2017
    Inventors: Hartmut AHRENS, Jörg TIEBES, Christian WALDRAFF, Simon DÖRNER-RIEPING, Ines HEINEMANN, Hansjörg DIETRICH, Elmar GATZWEILER, Christopher ROSINGER, Dirk SCHMUTZLER