Patents by Inventor Michael Gerhard Hoffmann

Michael Gerhard Hoffmann 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: 20240067623
    Abstract: [1-Pheny1)-5-(heteroaryl)-1H-pyrazol-3-yl)oxy] acetic acid derivatives and salts thereof, crop protection compositions comprising them, processes for preparing them, use thereof and plant protection compositions. The present invention relates to crop protection compounds and to compositions which comprise specific compounds as safeners for reducing phytotoxic effects of agrochemicals, especially herbicides. The invention relates more particularly to certain [1-(phenyl)-5-(heteroaryl)-1H-pyrazol-3-yl)oxy]acetic acid derivatives of the general formula (I) and their salts, to processes for preparing them and to their use as plant protection compounds (safeners).
    Type: Application
    Filed: November 2, 2021
    Publication date: February 29, 2024
    Inventors: Thomas MÜLLER, Estella BUSCATO ARSEQUELL, Hendrik HELMKE, Harald JAKOBI, Michael Gerhard HOFFMANN, Jan DITTGEN
  • Publication number: 20240041042
    Abstract: The present invention relates to novel herbicidally active substituted 1-pyridyl-5-azinylpyrazolyl-3-oxyalkyl acids, 1-pyridyl-5-azinylpyrazolyl-3-sulfanylalkyl acids, 1-pyridyl-5-azinylpyrazolyl-3-sulfinylalkyl acids and 1-pyridyl-5-azinylpyrazolyl-3-sulfonylalkyl acids, and to the derivatives thereof according to the general formula (I) or agrochemically acceptable salts thereof. The present invention further relates to processes for preparing these compounds and to the use thereof for controlling broad-leaved weeds and weed grasses.
    Type: Application
    Filed: October 19, 2021
    Publication date: February 8, 2024
    Inventors: Estella BUSCATO, Michael Gerhard HOFFMANN, Harald JAKOBI, Thomas MÜLLER, Birgit BOLLENBACH-WAHL, Jan DITTGEN, Elmar GATZWEILER, Anna Maria REINGRUBER
  • Publication number: 20230167088
    Abstract: The present invention relates to novel, herbicidally active, substituted 1-pyrazinylpyrazolyl-3-oxyalkyl acids and their derivatives of the general formula (I) and their agrochemically compatible salts, N-oxides, hydrates, and hydrates of the salts and N-oxides, to processes for preparation thereof and to the use thereof for control of broadleaved weeds and weed grasses in crops of useful plants, and for general control of broadleaved weeds and weed grasses in areas of the environment where plant growth is troublesome.
    Type: Application
    Filed: April 26, 2021
    Publication date: June 1, 2023
    Inventors: Harald JAKOBI, Michael Gerhard HOFFMANN, Thomas MÜLLER, Estella ARSEQUELL BUSCATO, Dirk SCHMUTZLER, Anu Bheemaiah MACHETTIRA, Elisabeth ASMUS, Elmar GATZWEILER, Christopher Hugh ROSINGER, Birgit BOLLENBACH-WAHL, Jan DITTGEN
  • Publication number: 20230126893
    Abstract: The present invention relates to the technical field of crop protection products, especially that of herbicides for control of broad-leaved weeds and weed grasses in crops of useful plants. Specifically, this invention relates to novel substituted [(1,4,5-trisubstituted 1H-pyrazol yl)sulfanyl]acetic acid derivatives of the formula (I) or an agrochemically acceptable salt thereof, to processes for preparation thereof and to the use thereof as herbicides.
    Type: Application
    Filed: January 28, 2021
    Publication date: April 27, 2023
    Inventors: Thomas MUELLER, Michael Gerhard HOFFMANN, Estella BUSCATO ARSEQUELL, Harald JAKOBI, Dirk SCHMUTZLER, Christopher Hugh ROSINGER, Anu Bheemaiah MACHETTIRA, Elisabeth ASMUS
  • Publication number: 20230066946
    Abstract: The present invention relates to novel herbicidally active, substituted 1,5-diphenylpyrazolyl-3-oxyalkyl acids and 1-phenyl-5-thienylpyrazolyl-3-oxyalkyl acids and derivatives thereof according to the general formula (I) or agrochemically acceptable salts thereof, to processes for preparation thereof and to the use thereof for control of broadleaved weeds and weed grasses in crops of useful plants and for general control of broadleaved weeds and weed grasses in areas of the environment where plant growth is troublesome. The derivatives of the 1,5-diphenylpyrazolyl-3-oxyalkyl acids and 1-phenyl-5-thienylpyrazolyl-3-oxyalkyl acids especially include the esters, salts and amides thereof.
    Type: Application
    Filed: December 16, 2020
    Publication date: March 2, 2023
    Inventors: Harald JAKOBI, Michael Gerhard HOFFMANN, Anna Maria REINGRUBER, Estella BUSCATO ARSEQUELL, Thomas MULLER, Gilbert Ebai BESONG, Erin Nicole SMITH, Elisabeth ASMUS, Hansjorg DIETRICH, Elmar GATZWEILER, Anu Bheemaiah MACHETTIRA, Christopher Hugh ROSINGER, Dirk SCHMUTZLER
  • Publication number: 20220235036
    Abstract: What are described are compounds of the general formula (I) and agrochemically acceptable salts thereof and their preparation and their use in the crop protection sector.
    Type: Application
    Filed: May 29, 2020
    Publication date: July 28, 2022
    Inventors: Michael Gerhard HOFFMANN, Estella BUSCATO ARSEQUELL, Harald JAKOBI, Thomas MUELLER, Erin Nicole SMITH, Elisabeth ASMUS, Anu Bheemaiah MACHETTIRA, Elmar GATZWEILER, Christopher Hugh ROSINGER, Dirk SCHMUTZLER
  • 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: 20200187499
    Abstract: Substituted benzyl-4-aminopicolinic esters and pyrimidino-4-carboxylic esters, methods for the production thereof, and use thereof as herbicides and plant growth regulators What is described are benzylcarboxylic acid derivatives of benzoheterocyclylpyridines and benzoheterocyclylpyrimidines of the general formula (I) and their use as herbicides where X represents CH or CF, A represents a benzo-fused heterocycle, R1 represents H, Hal or organic radicals such as alkyl and R2 represents Cl or F.
    Type: Application
    Filed: February 6, 2018
    Publication date: June 18, 2020
    Inventors: Michael Gerhard HOFFMANN, Uwe DOELLER, Chieko UENO, Hansjoerg DIETRICH, Christopher Hugh ROSINGER, Anu Bheemaiah MACHETTIRA
  • Patent number: 9409881
    Abstract: There are described 6?-phenyl-2,2?-bipyridine-3-carboxylic acid derivatives of the general formula (I) as herbicides. In this formula (I), R1 to R5 are radicals such as hydrogen, organic radicals such as alkyl, and other radicals such as halogen, nitro, cyano and formyl.
    Type: Grant
    Filed: August 2, 2013
    Date of Patent: August 9, 2016
    Assignee: Bayer CropScience AG
    Inventors: Michael Gerhard Hoffmann, Uwe Doeller, Marco Bruenjes, Hansjoerg Dietrich, Elmar Gatzweiler, Christopher Hugh Rosinger, Dirk Schmutzler
  • Patent number: 9375002
    Abstract: What is described are compounds of the general formula (I) and agrochemically acceptable salts thereof and their use in the field of crop protection.
    Type: Grant
    Filed: March 27, 2013
    Date of Patent: June 28, 2016
    Assignee: Bayer Intellectual Property GmbH
    Inventors: Klemens Minn, Michael Gerhard Hoffmann, Elmar Gatzweiler, Ines Heinemann, Isolde Haeuser-Hahn, Christopher Hugh Rosinger
  • Patent number: 9179676
    Abstract: The invention relates to a carboxylic acid derivatives of benzoheterocyclyl pyridines and benzoheterocyclyl pyrimidines of general formula (I) and to the use thereof as herbicides.
    Type: Grant
    Filed: July 24, 2012
    Date of Patent: November 10, 2015
    Assignee: BAYER INTELLECTUAL PROPERTY GMBH
    Inventors: Michael Gerhard Hoffmann, Marco Brüenjes, Uwe Döller, Hans-Jörg Dietrich, Isolde Häeuser-Hahn, Christopher Hugh Rosinger, Elmar Gatzweiler, Ines Heinemann
  • Publication number: 20150307470
    Abstract: There are described 6?-phenyl-2,2?-bipyridine-3-carboxylic acid derivatives of the general formula (I) as herbicides. In this formula (I), R1 to R5 are radicals such as hydrogen, organic radicals such as alkyl, and other radicals such as halogen, nitro, cyano and formyl.
    Type: Application
    Filed: August 2, 2013
    Publication date: October 29, 2015
    Inventors: Michael Gerhard HOFFMANN, Uwe DOELLER, Marco BRUENJES, Hansjoerg DIETRICH, Elmar GATZWEILER, Christopher Hugh ROSINGER, Dirk SCHMUTZLER
  • Publication number: 20150291553
    Abstract: 2?-Phenyl-2,4?-bipyridine-3-carboxylic acid derivatives of the general formula (I) are described as herbicides. In this formula (I), R1 to R5 are radicals such as hydrogen, organic radicals such as alkyl, and other radicals such as halogen, nitro, cyano and formyl.
    Type: Application
    Filed: August 2, 2013
    Publication date: October 15, 2015
    Inventors: Michael Gerhard Hoffmann, Uwe Doeller, Marco Bruenjes, Hansjoerg Dietrich, Elmar Gatzweiler, Christopher Hugh Rosinger
  • Patent number: 9078440
    Abstract: The present invention relates to novel herbicidally active 6-(2-aminophenyl)picoline derivatives and to processes for preparation thereof. The present invention further provides for the use thereof as a herbicide, especially as a herbicide for selective control of weed plants in useful plant crops, and as a plant growth regulator alone or in combination with safeners and/or in a mixture with other herbicides.
    Type: Grant
    Filed: December 12, 2011
    Date of Patent: July 14, 2015
    Assignee: BAYER INTELLECTUAL PROPERTY GMBH
    Inventors: Marco Brünjes, Uwe Döller, Hansjörg Dietrich, Michael Gerhard Hoffmann, Isolde Häuser-Hahn, Christopher Hugh Rosinger, Elmar Gatzweiler, Ines Heinemann
  • Patent number: 9049863
    Abstract: Compounds of the formula (I) or salts thereof, in each case in the optically active (3R,4R)-threo form, in which R1 is hydrogen or a hydrolysable radical, and (R2)n, (R3)m, n and m are as defined in formula (I) according to claim 1, where the stereochemical configuration at the carbon atom in position 3 of the butanoic acid derivative has a stereochemical purity of from 60 to 100% (R), preferably 70 to 100% (R), or more preferably 80 to 100% (R), in particular 90 to 100% (R), based on a mixture of threo enantiomers present, and the stereochemical configuration at the carbon atom in position 4 of the butanoic acid derivative has a stereochemical purity of from 60 to 100% (R), preferably 70 to 100% (R), more preferably 80 to 100% (R), in particular 90 to 100% (R), based on a mixture of threo enantiomers present, are suitable for use as herbicides and growth regulators, in particular for the selective use in plant crops, and can be prepared by the process of claim 9.
    Type: Grant
    Filed: March 12, 2012
    Date of Patent: June 9, 2015
    Assignee: Bayer Intellectual Property GmbH
    Inventors: Harald Jakobi, Marc Mosrin, Elmar Gatzweiler, Isolde Häuser-Hahn, Ines Heinemann, Christopher Hugh Rosinger, Alfred Angermann, Michael Gerhard Hoffmann, Stefan Schnatterer, Hans-Joachim Zeiβ
  • Publication number: 20150094205
    Abstract: What is described are compounds of the general formula (I) and agrochemically acceptable salts thereof and their use in the field of crop protection.
    Type: Application
    Filed: March 27, 2013
    Publication date: April 2, 2015
    Applicant: BAYER INTELLECTUAL PROPERTY GMBH
    Inventors: Klemens Minn, Michael Gerhard Hoffmann, Elmar Gatzweiler, Ines Heinemann, Isolde Haeuser-Hahn, Christopher Hugh Rosinger
  • Publication number: 20150005165
    Abstract: The invention relates to a carboxylic acid derivatives of benzoheterocyclyl pyridines and benzoheterocyclyl pyrimidines of general formula (I) and to the use thereof as herbicides.
    Type: Application
    Filed: July 24, 2012
    Publication date: January 1, 2015
    Applicant: BAYER INTELLECTUAL PROPERTY GMBH
    Inventors: Michael Gerhard Hoffmann, Marco Bruenjes, Uwe Doeller, Hans-Joerg Dietrich, Isolde Haeuser-Hahn, Christopher Hugh Rosinger, Elmar Gatzweiler, Ines Heinemann
  • Publication number: 20140194291
    Abstract: Substituted (3R,4R)-4-cyano-3,4-diphenylbutanoates, processes for their preparation and their use as herbicides and plant growth regulators Compounds of the formula (I) or salts thereof and salts thereof, in each case in the optically active (3R,4R)-threo form, R1 is hydrogen or a hydrolyzable radical, and (R2)n, (R3)m, n and m are as defined in formula (I) according to claim 1, where the stereochemical configuration at the carbon atom in position 3 of the butanoic acid derivative has a stereochemical purity of 60 to 100% (R), preferably 70 to 100% (R), more preferably 80 to 100% (R), in particular 90 to 100% (R), based on the mixture of threo enantiomers present, and the stereochemical configuration at the carbon atom in position 4 of the butanoic acid derivative has a stereochemical purity of 60 to 100% (R), preferably 70 to 100% (R), more preferably 80 to 100% (R), in particular 90 to 100% (R), based on the mixture of threo enantiomers present, are suitable for use as herbicides and growth regulat
    Type: Application
    Filed: March 12, 2012
    Publication date: July 10, 2014
    Inventors: Harald Jakobi, Marc Mosrin, Elmar Gatzweiler, Isolde Häuser-Hahn, Ines Heinemann, Christopher Hugh Rosinger, Alfred Angermann, Michael Gerhard Hoffmann, Stefan Schnatterer, Hans-Joachim Zeiß
  • Publication number: 20130326735
    Abstract: The present invention relates to novel herbicidally active 6-(2-aminophenyl)picoline derivatives and to processes for preparation thereof. The present invention further provides for the use thereof as a herbicide, especially as a herbicide for selective control of weed plants in useful plant crops, and as a plant growth regulator alone or in combination with safeners and/or in a mixture with other herbicides.
    Type: Application
    Filed: December 12, 2011
    Publication date: December 5, 2013
    Applicant: BAYER INTELLECTUAL PROPERTY GMBH
    Inventors: Marco Brünjes, Uwe Döller, Hansjörg Dietrich, Michael Gerhard Hoffmann, Isolde Häuser-Hahn, Christopher Hugh Rosinger, Elmar Gatzweiler, Ines Heinemann
  • Patent number: 8309557
    Abstract: The invention relates to compounds of the formula (I) and N-oxides, tautomers and agrochemically compatible salts thereof to processes for their preparation, and to their use as herbicides and plant growth regulators, in particular as herbicides for the selected control of harmful plants in useful plant crops.
    Type: Grant
    Filed: March 16, 2010
    Date of Patent: November 13, 2012
    Assignee: Bayer Intellectual Property GmbH
    Inventors: Marco Brünjes, Hansjörg Dietrich, Hartmut Ahrens, Michael Gerhard Hoffmann, Jan Dittgen, Dieter Feucht, Christopher Hugh Rosinger, Isolde Häuser-Hahn