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).

  • 2-HETARYL-PYRIDAZINONE DERIVATIVES AND THEIR USE AS HERBICIDES
    Publication number: 20160326135
    Abstract: 2-Hetaryl-pyridazinone derivatives of the general formula (I) are described as herbicides. In this formula (I), R1, R2 and R3 are each radicals such as hydrogen, organic radicals such as alkyl, and other radicals such as halogen. Q is a substituted heterocycle.
    Type: Application
    Filed: November 10, 2014
    Publication date: November 10, 2016
    Inventors: Ralf BRAUN, Christian WALDRAFF, Ines HEINEMANN, Arnim KOEHN, Hartmut AHRENS, Alfred ANGERMANN, Stephen David LINDELL, Dirk SCHMUTZLER, Hansjoerg DIETRICH, Christopher ROSINGER, Elmar GATZWEILER
  • Pyridazinone Derivatives and their use as Herbicides
    Publication number: 20160272613
    Abstract: Pyridazinone derivatives of the general formula (I) are described as herbicides. In this formula (I), Y, R1, R2 and R3 are each radicals such as hydrogen, organic radicals such as alkyl, and other radicals such as halogen. Q is a substituted heterocycle.
    Type: Application
    Filed: November 10, 2014
    Publication date: September 22, 2016
    Inventors: RALF BRAUN, Christian WALDRAFF, INES HEINEMANN, ARNIM KOEHN, HARTMUT AHRENS, ALFRED ANGERMANN, STEPHEN DAVID LINDELL, DIRK SCHMUTZLER, HANSJOERG DIETRICH, CHRISTOPHER HUGH ROSINGER, ELMAR GATZWEILER
  • Herbicidal Compositions Containing N-(1,3,4-oxadiazol-2-yl)-aryl Carboxylic Acid Amides
    Publication number: 20160242419
    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: Application
    Filed: October 22, 2014
    Publication date: August 25, 2016
    Inventors: ARNIM KOEHN, CHRISTIAN WALDRAFF, ELMAR GATZWEILER, KLAUS TRABOLD, HUBERT MENNE, HARTMUT AHRENS, SIMON DOERNER-RIEPING, RALF BRAUN, INES HEINEMANN
  • HERBICIDE-SAFENER COMPOSITIONS CONTAINING N-(1,3,4-OXADIAZOL-2-YL)ARYL CARBOXYLIC ACID AMIDES
    Publication number: 20160235067
    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: Application
    Filed: September 30, 2014
    Publication date: August 18, 2016
    Applicant: Bayer Cropscience AG
    Inventors: ARNIM KOEHN, CHRISTOPHER HUGH ROSINGER, ELMAR GATZWEILER, HARTMUT AHRENS, SIMON DOERNER-RIEPING, CHRISTIAN WALDRAFF, RALF BRAUN, INES HEINEMANN
  • N-(tetrazol-5-yl)- and N-(triazol-5-yl)arylcarboxamide salts and use thereof as herbicides
    Patent number: 9371315
    Abstract: Salts of N-(tetrazol-5-yl)- and N-(triazol-5-yl)arylcarboxamides of the general formula (I) are described as herbicides. In this formula (I), W, X, Z and R represent radicals such as hydrogen, organic radicals such as alkyl, and other radicals such as halogen. A and B each represent nitrogen or carbon. M+ represents a cation.
    Type: Grant
    Filed: April 30, 2013
    Date of Patent: June 21, 2016
    Assignee: Bayer Cropscience AG
    Inventors: Ralf Braun, Simon Doerner-Rieping, Hartmut Ahrens, Christian Waldraff, Arnim Koehn, Hansjoerg Dietrich, Elmar Gatzweiler, Christopher Hugh Rosinger
  • Herbicide safener compositions
    Patent number: 9332759
    Abstract: Herbicide-safener compositions are described, comprising active ingredients from the group of the N-(1,2,5-oxadiazol-3-yl)benzamides and safeners. These herbicidal compositions are particularly suitable for use against harmful plants in crops of useful plants.
    Type: Grant
    Filed: March 12, 2012
    Date of Patent: May 10, 2016
    Assignee: BAYER INTELLECTUAL PROPERTY GMBH
    Inventors: Arnim Köhn, Andreas Van Almsick, Hartmut Ahrens, Frank Ziemer, Simon Dörner-Rieping, Christopher Hugh Rosinger, Erwin Hacker
  • 5-phenyl-substituted N-(tetrazol-5-yl) aryl carboxylic acid amides and N-(triazol-5-yl) aryl carboxylic acid amides, and use thereof as herbicides
    Patent number: 9259001
    Abstract: 5-phenyl-substituted N-(tetrazol-5-yl)- and N-(triazol-5-yl)arylcarboxamides of the general formula (I) are described as herbicides. In this formula (I), W, X, Y, Z and R are radicals such as hydrogen, organic radicals such as alkyl, and other radicals such as halogen. A and B are N and CY.
    Type: Grant
    Filed: October 29, 2012
    Date of Patent: February 16, 2016
    Assignee: BAYER INTELLECTUAL PROPERTY GMBH
    Inventors: Ralf Braun, Hartmut Ahrens, Andreas Van Almsick, Stefan Lehr, Isolde Häuser-Hahn, Hansjörg Dietrich, Elmar Gatzweiler, Ines Heinemann, Christopher Hugh Rosinger
  • N-(1,2,5-oxadiazol-3-yl)-, N-(1,3,4-oxadiazol-2-yl)-, N-(tetrazol-5-yl)-, and N-(triazol-5-yl) aryl carboxylic acid amides and use thereof as herbicides
    Patent number: 9204650
    Abstract: N-(1,2,5-Oxadiazol-3-yl)-, N-(1,3,4-oxadiazol-2-yl)-, N-(tetrazol-5-yl)- or N-(triazol-5 -yl)arylcarboxamides of the general formula (I) are described as herbicides. 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 a tetrazolyl, triazolyl or oxadiazolyl radical. W is CY or N.
    Type: Grant
    Filed: December 10, 2012
    Date of Patent: December 8, 2015
    Assignee: BAYER INTELLECTUAL PROPERTY GMBH
    Inventors: Armin Koehn, Stefan Lehr, Ralf Braun, Simon Doerner-Rieping, Hartmut Ahrens, Hansjoerg Dietrich, Isolde Haeuser-Hahn, Christopher Hugh Rosinger, Elmar Gatzweiler
  • Herbicidally-effective sulfinyl aminobenzamides
    Patent number: 9198425
    Abstract: Sulfinylaminobenzamides of the general formula (I) as herbicides are described. In this formula (I), R, R?, R?, X, W and Z are radicals such as hydrogen, organic radicals such as alkyl, and other radicals such as halogen. Q is a tetrazolyl, triazolyl or oxadiazolyl radical.
    Type: Grant
    Filed: February 18, 2013
    Date of Patent: December 1, 2015
    Assignee: BAYER INTELLECTUAL PROPERTY GMBH
    Inventors: Hartmut Ahrens, Ralf Braun, Arnim Koehn, Stefan Lehr, Hansjoerg Dietrich, Dirk Schmutzler, Elmar Gatzweiler, Christopher Hugh Rosinger
  • N-(OXAZOL-2-YL)-ARYL-CARBOXYLIC ACID AMIDES AND USE THEREOF AS HERBICIDES
    Publication number: 20150315161
    Abstract: 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: Application
    Filed: December 3, 2013
    Publication date: November 5, 2015
    Inventors: Arnim KOEHN, Hartmut AHRENS, Ralf BRAUN, Ines HEINEMANN, Joerg TIEBES, Christian WALDRAFF, Hansjoerg DIETRICH, Elmar GATZWEILER, Christopher Hugh ROSINGER, Dirk SCHMUTZLER
  • N-(ISOXAZOL-3-YL)-ARYL-CARBOXYLIC ACID AMIDES AND USE THEREOF AS HERBICIDES
    Publication number: 20150307462
    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: Application
    Filed: December 3, 2013
    Publication date: October 29, 2015
    Inventors: Arnim KOEHN, Hartmut AHRENS, Ralf BRAUN, Ines HEINEMANN, Joerg TIEBES, Christian WALDRAFF, Hansjoerg DIETRICH, Elmar GATZWEILER, Christopher Hugh ROSINGER, Dirk SCHMUTZLER
  • Herbicidally active 4-nitro-substituted N-(tetrazol-5-yl)-, N-(triazol-5-yl)-, and N-(1,3,4-0XADIAZOL-2-yl)aryl carboxylic acid amides
    Patent number: 9169219
    Abstract: Herbicidally active 4-nitro-substituted N-(tetrazol-5-yl)-, N-(triazol-5-yl)- and N-(1,3,4-oxadiazol-2-yl)arylcarboxamides There are described 4-nitro-substituted N-(tetrazol-5-yl)-, N-(triazol-5-yl)- and N-(1,3,4-oxadiazol-2-yl)arylcarboxamides of the general formula (I) as herbicides. In this formula (I), X, Y and W are radicals such as hydrogen, organic radicals such as alkyl, and other radicals such as halogen. A is N and CY.
    Type: Grant
    Filed: February 18, 2013
    Date of Patent: October 27, 2015
    Assignee: BAYER INTELLECTUAL PROPERTY GMBH
    Inventors: Simon Doerner-Rieping, Ralf Braun, Arnin Koehn, Hartmut Ahrens, Stefan Lehr, Hansjoerg Dietrich, Elmar Gatzweiler, Christopher Hugh Rosinger, Dirk Schmutzler
  • Herbicidal 3-(sulfin-/sulfonimidoyl)-benzamides
    Patent number: 9167819
    Abstract: The invention relates to suifin- and sulfonimidoylbenzamides of general formula (S) used as herbizides. In said formula (I), R, R?, R?, X, W and Z represent radicals such as hydrogen, organic radicals such as alkyl, and other radicals such as halogens. Q represents a tetrazolyl-, triazolyl or oxadiazolyl radicals.
    Type: Grant
    Filed: February 18, 2013
    Date of Patent: October 27, 2015
    Assignee: BAYER INTELLECTUAL PROPERTY GMBH
    Inventors: Hartmut Ahrens, Ralf Braun, Simon Doerner-Rieping, Arnim Koehn, Stefan Lehr, Hansjoerg Dietrich, Dirk Schmutzler, Elmar Gatzweiler, Christopher Hugh Rosinger
  • Herbicidal sulfinimidoyl- and sulfonimidoyl benzoyl derivatives
    Patent number: 9156784
    Abstract: The invention relates to sulfmimidoyl- and sulfonimidoylbenzoyl derivatives of the general formula (I). In said formula (I), R, R?, X, W and Z represent radicals such as hydrogen, organic radicals such as alkyl, and other radicals such as halogens. Q represents a cyclohexandionyl-, pyrazolyl-oder isoxazolyl radical.
    Type: Grant
    Filed: February 18, 2013
    Date of Patent: October 13, 2015
    Assignee: BAYER INTELLECTUAL PROPERTY GMBH
    Inventors: Hartmut Ahrens, Simon Doerner-Rieping, Stefan Lehr, Hansjoerg Dietrich, Elmar Gatzweiler, Christopher Hugh Rosinger, Dirk Schmutzler
  • N-(1,3,4-oxadiazol-2-yl)arylcarboxamides and use thereof as herbicides
    Patent number: 9101141
    Abstract: N-(1,3,4-Oxadiazol-2-yl)arylcarboxamides of the general formula (I) are described as herbicides. In this formula (I) A is nitrogen or CY. R, X, Y and Z are each radicals such as hydrogen, organic radicals such as alkyl, and other radicals such as halogen.
    Type: Grant
    Filed: March 21, 2012
    Date of Patent: August 11, 2015
    Assignee: BAYER INTERLLECTUAL PROPERTY GMBH
    Inventors: Arnim Köhn, Hartmut Ahrens, Ralf Braun, Simon Dörner-Rieping, Stefan Lehr, Ines Heinemann, Isolde Häuser-Hahn, Elmar Gatzweiler, Christopher Hugh Rosinger
  • HERBICIDALLY ACTIVE BICYCLOARYL CARBOXYLIC ACID AMIDES
    Publication number: 20150216171
    Abstract: Bicycloarylcarboxamides of the general formula (I) are described as herbicides. In this formula (I), X and W are radicals such as hydrogen, organic radicals such as alkyl, and other radicals such as halogen. Q is triazolyl, tetrazolyl or oxadiazolyl.
    Type: Application
    Filed: September 3, 2013
    Publication date: August 6, 2015
    Applicant: BAYER CROPSCIENCE AG
    Inventors: Hartmut Ahrens, Andreas Van Almsick, Ralf Braun, Arnim Koehn, Stefan Lehr, Hansjoerg Dietrich, Elmar Gatzweiler, Christopher Hugh Rosinger, Dirk Schmutzler
  • N-(TETRAZOL-5-YL)- AND N-(TRIAZOL-5-YL)ARYLCARBOXYLIC THIOAMIDES AND USE THEREOF AS HERBICIDES
    Publication number: 20150175588
    Abstract: N-(Tetrazol-5-yl)- and N-(triazol-5-yl)arylcarboxylic acid thioamides of the general formula (I) are described as herbicides. In this formula (I), R, W, X and Z represent radicals such as hydrogen, organic radicals such as alkyl, and other radicals such as halogen. A and B each represent carbon or nitrogen.
    Type: Application
    Filed: May 22, 2013
    Publication date: June 25, 2015
    Inventors: Ralf Braun, Simon Dörner-Rieping, Hartmut Ahrens, Arnim Köhn, Christian Waldraff, Hansjörg Dietrich, Dirk Schmutzler, Elmar Gatzweiler, Christopher Hugh Rosinger
  • N-(1,2,5-Oxadiazol-3-yl)-, N-(tetrazol-5-yl)- and N-(triazol-5-yl)bicycloarylcarboxamides and their use as herbicides
    Patent number: 9035067
    Abstract: N-(1,2,5-Oxadiazol-3-yl)-, N-(tetrazol-5-yl)- and N-(triazol-5-yl)bicycloarylcarboxamides of the general formula (I) are described as herbicides. In this formula (I), R3, R4 and R5 are each radicals such as hydrogen, organic radicals such as alkyl, and other radicals such as halogen. Q is a heterocycle. X and Y are each oxygen and sulfur.
    Type: Grant
    Filed: March 12, 2012
    Date of Patent: May 19, 2015
    Assignee: BAYER INTELLECTUAL PROPERTY GMBH
    Inventors: Andreas Almsick, Hartmut Ahrens, Arnim Köhn, Simon Dörner-Rieping, Ralf Braun, Isolde Häuser-Hahn, Christopher Hugh Rosinger, Ines Heinemann, Elmar Gatzweiler
  • N-(TETRAZOL-5-YL)- AND N-(TRIAZOL-5-YL)ARYLCARBOXAMIDE SALTS AND USE THEREOF AS HERBICIDES
    Publication number: 20150105253
    Abstract: Salts of N-(tetrazol-5-yl)- and N-(triazol-5-yl)arylcarboxamides of the general formula (I) are described as herbicides. In this formula (I), W, X, Z and R represent radicals such as hydrogen, organic radicals such as alkyl, and other radicals such as halogen. A and B each represent nitrogen or carbon. M+ represents a cation.
    Type: Application
    Filed: April 30, 2013
    Publication date: April 16, 2015
    Applicant: Bayer Cropscience AG
    Inventors: Ralf Braun, Simon Doerner-Rieping, Hartmut Ahrens, Christian Waldraff, Arnim Koehn, Hansjoerg Dietrich, Elmar Gatzweiler, Christopher Hugh Rosinger
  • Herbicide/safener combination
    Patent number: 8962523
    Abstract: A composition comprising (A) one or more compounds of the formula (I) or salts thereof, in which the individual indices have the meaning defined in the description and (B) one or more safeners is described.
    Type: Grant
    Filed: November 25, 2009
    Date of Patent: February 24, 2015
    Assignee: Bayer Cropscience AG
    Inventors: Christopher Hugh Rosinger, Erwin Hacker, Hartmut Ahrens, Hansjörg Dietrich, Frank Ziemer