Patents by Inventor Friedrich August Mühlthau

Friedrich August Mühlthau 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).

  • Process for preparing phosphorus containing cyanohydrins
    Patent number: 10961265
    Abstract: The present invention relates primarily to a process for preparing certain phosphorus-containing cyanohydrins of the formula (I), and also to certain phosphorus-containing cyanohydrins per se and to their use for the preparation of glufosinate and/or glufosinate salts. The present invention further relates to certain mixtures particularly suitable for preparing the phosphorus-containing cyanohydrins of the formula (I).
    Type: Grant
    Filed: July 20, 2017
    Date of Patent: March 30, 2021
    Assignee: BASF SE
    Inventors: Hans-Joachim Ressel, Kilian Tellman, Mark James Ford, Martin Littmann, Friedrich August Muehlthau, Guenter Schlegel
  • Method for preparing methyl 4-[(4,5-dihydro-3-methoxy-4-methyl-5-oxo-1H-1,2,4-triazol-1-yl)carbonyl)sulfamoyl]-5-methylthiophene-3-carboxylate
    Patent number: 10906893
    Abstract: The invention relates to a method for preparing methyl 4-[(4,5-dihydro-3-methoxy-4-methyl-5-oxo-1H-1,2,4-triazol-1-yl)carbonyl)sulfamoyl]-5-methylthiophene-3-carboxylate from 4-methoxycarbonyl-2-methylthiophene-3-sulfonyl chloride in the presence of an imidazole base substituted in the 1-position or in the presence of a mixture of bases comprising an imidazole base substituted in the 1-position (N-alkylimidazole).
    Type: Grant
    Filed: February 15, 2018
    Date of Patent: February 2, 2021
    Assignees: Bayer CropScience Aktiengesellschaft, Bayer Aktiengesellschaft
    Inventors: Sergii Pazenok, Christian Funke, Friedrich August Muehlthau, Mark James Ford, Arnd Neeff, Klaus-Ulrich Schiffer
  • METHOD FOR PREPARING METHYL 4-[(4,5-DIHYDRO-3-METHOXY-4-METHYL-5-OXO-1H-1,2,4-TRIAZOL-1-YL)CARBONYL)SULFAMOYL]-5-METHYLTHIOPHENE-3-CARBOXYLATE
    Publication number: 20200048234
    Abstract: The invention relates to a method for preparing methyl 4-[(4,5-dihydro-3-methoxy-4-methyl-5-oxo-1H-1,2,4-triazol-1-yl)carbonyl)sulfamoyl]-5-methylthiophene-3-carboxylate from 4-methoxycarbonyl-2-methylthiophene-3-sulfonyl chloride in the presence of an imidazole base substituted in the 1-position or in the presence of a mixture of bases comprising an imidazole base substituted in the 1-position (N-alkylimidazole).
    Type: Application
    Filed: February 15, 2018
    Publication date: February 13, 2020
    Inventors: Sergii PAZENOK, Christian FUNKE, Friedrich August MUEHLTHAU, Mark James FORD, Arnd NEEFF, Klaus-Ulrich SCHIFFER
  • PROCESS FOR THE PREPARATION OF 5-AMINO-QUINOLIN-2(1H)-ONES AND THEIR TAUTOMER FORMS 5-AMINO-QUINOLIN-2-OLS
    Publication number: 20180230101
    Abstract: The present invention relates to a novel process for the preparation of 5-Amino-quinolin-2(1H)-ones and its tautomer's 5-amino-quinolin-2-ols. The present invention further comprises various novel compounds which are obtained during the preparation of 5-Amino-quinolin-2(1H)-ones and its tautomer's 5-amino-quinolin-2-ols.
    Type: Application
    Filed: August 1, 2016
    Publication date: August 16, 2018
    Inventors: Friedrich August MUEHLTHAU, Dirk BROHM
  • Process for preparing phosphorus containing cyanohydrins
    Patent number: 9850263
    Abstract: The present invention relates primarily to a process for preparing certain phosphorus-containing cyanohydrins of the formula (I), and also to certain phosphorus-containing cyanohydrins per se and to their use for the preparation of glufosinate and/or glufosinate salts. The present invention further relates to certain mixtures particularly suitable for preparing the phosphorus-containing cyanohydrins of the formula (I).
    Type: Grant
    Filed: May 8, 2015
    Date of Patent: December 26, 2017
    Assignee: BAYER CROPSCIENCE AKTIENGESELLSCHAFT
    Inventors: Hans-Joachim Ressel, Kilian Tellman, Mark James Ford, Martin Littmann, Friedrich August Muehlthau, Guenter Schlegel
  • PROCESS FOR PREPARING PHOSPHORUS CONTAINING CYANOHYDRINS
    Publication number: 20170313730
    Abstract: The present invention relates primarily to a process for preparing certain phosphorus-containing cyanohydrins of the formula (I), and also to certain phosphorus-containing cyanohydrins per se and to their use for the preparation of glufosinate and/or glufosinate salts. The present invention further relates to certain mixtures particularly suitable for preparing the phosphorus-containing cyanohydrins of the formula (I).
    Type: Application
    Filed: July 20, 2017
    Publication date: November 2, 2017
    Inventors: Hans-Joachim RESSEL, Kilian TELLMAN, Mark James FORD, Martin LITTMANN, Friedrich August MUEHLTHAU, Guenter SCHLEGEL
  • PROCESS FOR PREPARING PHOSPHORUS CONTAINING CYANOHYDRINS
    Publication number: 20170081349
    Abstract: The present invention relates primarily to a process for preparing certain phosphorus-containing cyanohydrins of the formula (I), and also to certain phosphorus-containing cyanohydrins per se and to their use for the preparation of glufosinate and/or glufosinate salts. The present invention further relates to certain mixtures particularly suitable for preparing the phosphorus-containing cyanohydrins of the formula (I).
    Type: Application
    Filed: May 8, 2015
    Publication date: March 23, 2017
    Applicant: BAYER CROPSCIENCE AKTIENGESELLSCHAFT
    Inventors: Hans-Joachim RESSEL, Kilian TELLMAN, Mark James FORD, Martin LITTMANN, Friedrich August MUEHLTHAU, Guenter SCHLEGEL
  • Process for the preparation of optionally substituted phenyl and pyridyl pyrrolidines
    Patent number: 9447036
    Abstract: The present invention relates to a method for the preparation of optionally substituted aryl and pyridyl pyrrolidines which are useful intermediates for the preparation of certain biologically active compounds.
    Type: Grant
    Filed: September 25, 2013
    Date of Patent: September 20, 2016
    Assignee: Bayer Cropscience AG
    Inventors: Friedrich August Muehlthau, Mark James Ford
  • Heterocyclic compounds as pesticides
    Patent number: 9339032
    Abstract: The present application relates to novel amides and thioamides, to processes for preparation thereof and to the use thereof for controlling animal pests, in particular arthropods and especially insects.
    Type: Grant
    Filed: January 16, 2014
    Date of Patent: May 17, 2016
    Assignee: Bayer Intellectual Property GmbH
    Inventors: Thomas Bretschneider, Adeline Köhler, Reiner Fischer, Martin Fublein, Peter Jeschke, Joachim Kluth, Friedrich August Mühlthau, Arnd Voerste, Olga Malsam, Ulrich Görgens, Yoshitaka Sato
  • Heterocyclic compounds as pesticides
    Patent number: 9233951
    Abstract: The present invention relates to novel heterocyclic compounds, to processes for preparation thereof and to the use thereof for controlling animal pests, which include arthropods and especially insects.
    Type: Grant
    Filed: July 15, 2011
    Date of Patent: January 12, 2016
    Assignee: Bayer Intellectual Property GmbH
    Inventors: Friedrich August Mühlthau, Thomas Bretschneider, Reiner Fischer, Martin Füβlein, Markus Heil, Achim Hense, Joachim Kluth, Adeline Köhler, Eva-Maria Franken, Olga Malsam, Arnd Voerste, Peter Jeschke, Angela Becker, Peter Lösel, Yoshitaka Sato
  • NOVEL HETEROCYCLIC COMPOUNDS AS PESTICIDES
    Publication number: 20150373978
    Abstract: The present application relates to novel heterocyclic compounds, to processes for preparation thereof and to the use thereof for controlling animal pests, which also include arthropods and especially insects.
    Type: Application
    Filed: September 9, 2015
    Publication date: December 31, 2015
    Inventors: Thomas Bretschneider, Adeline Koehler, Joachim Kluth, Martin Fuesslein, Peter Jeschke, Reiner Fischer, Friedrich August Muehlthau, Olga Malsam, Arnd Voerste, Klaus-Helmut Mueller, Yoshitaka Sato
  • Insecticidal aromatic amides
    Patent number: 9204645
    Abstract: The invention relates to compounds of the general formulae (I) and (II) in which the radicals A1, A2, A3, A4, M1, M2, M3, Q, R1, T, W1 and W2 have the meaning given in the description and to the use of the compounds for controlling animal pests. The invention furthermore relates to processes and intermediates for preparing the compounds of formula (I).
    Type: Grant
    Filed: December 17, 2012
    Date of Patent: December 8, 2015
    Assignee: BAYER INTELLECTUAL PROPERTY GMBH
    Inventors: Michael Maue, Tobias Kapferer, Friedrich August Muehlthau, Olga Malsam
  • Heterocyclic compounds as pesticides
    Patent number: 9173396
    Abstract: The present application relates to novel heterocyclic compounds, to processes for preparation thereof and to the use thereof for controlling animal pests, which also include arthropods and especially insects.
    Type: Grant
    Filed: October 17, 2011
    Date of Patent: November 3, 2015
    Assignee: BAYER INTELLECTUAL PROPERTY GMBH
    Inventors: Thomas Bretschneider, Adeline Köhler, Joachim Kluth, Martin Füβlein, Peter Jeschke, Reiner Fischer, Friedrich August Mühlthau, Olga Malsam, Arnd Voerste, Klaus-Helmut Müller, Yoshitaka Sato
  • NOVEL HETEROCYCLIC COMPOUNDS AS PEST CONTROL AGENTS
    Publication number: 20150284380
    Abstract: The present invention relates to novel heterocyclic compounds, to processes for preparation thereof and to the use thereof for controlling animal pests, which also include arthropods and especially insects.
    Type: Application
    Filed: October 29, 2013
    Publication date: October 8, 2015
    Inventors: Adeline Koehler, Thomas Bretschneider, Friedrich August Muehlthau, Martin Fuesslein, Peter Jeschke, Reiner Fischer, Arnd Voerste, Olga Malsam, Kerstin Ilg
  • N-(3-carbamoylphenly)-1H-pyrazole-5-carboxamide derivatives and the use thereof for controlling animal pests
    Patent number: 9126945
    Abstract: The invention relates to compounds of the general formula (I) in which the radicals A1, A2, A3, A4, L, Q, R1, T and W have the meaning given in the description and to the use of the compounds for controlling animal pests. The invention furthermore relates to processes and intermediates for preparing the compounds of formula (I).
    Type: Grant
    Filed: March 12, 2012
    Date of Patent: September 8, 2015
    Assignee: BAYER INTELLECTUAL PROPERTY GMBH
    Inventors: Michael Maue, Isabelle Adelt, Markus Heil, Peter Jeschke, Tobias Kapferer, Friedrich August Mühlthau, Alexander Sudau, Olga Malsam, Peter Lösel, Arnd Voerste, Ulrich Görgens
  • PROCESS FOR THE PREPARATION OF OPTIONALLY SUBSTITUTED PHENYL AND PYRIDYL PYRROLIDINES
    Publication number: 20150246880
    Abstract: The present invention relates to a method for the preparation of optionally substituted aryl and pyridyl pyrrolidines which are useful intermediates for the preparation of certain biologically active compounds.
    Type: Application
    Filed: September 25, 2013
    Publication date: September 3, 2015
    Inventors: Friedrich August Mühlthau, Mark James Ford
  • Heterocyclic compounds as pesticides
    Patent number: 9066518
    Abstract: The present application relates to the use of heterocyclic compounds, some of which are known, for controlling animal pests including arthropods and in particular insects, furthermore to novel heterocyclic compounds and to processes for their preparation.
    Type: Grant
    Filed: February 4, 2014
    Date of Patent: June 30, 2015
    Assignee: Bayer Intellectual Property GmbH
    Inventors: Thomas Bretschneider, Martin Füβlein, Adeline Köhler, Friedrich August Mühlthau, Eva-Maria Franken, Arnd Voerste
  • Heterocyclic compounds as pesticides
    Patent number: 9044015
    Abstract: The present application relates to novel heterocyclic compounds, to the use thereof for controlling animal pests, which include arthropods and especially insects, and to processes for preparing the novel compounds.
    Type: Grant
    Filed: January 31, 2014
    Date of Patent: June 2, 2015
    Assignee: Bayer CropScience AG
    Inventors: Thomas Bretschneider, Reiner Fischer, Martin Füβlein, Peter Jeschke, Adeline Köhler, Joachim Kluth, Friedrich August Mühlthau, Yoshitaka Sato, Arnd Voerste, Eiichi Shimojo
  • Novel halogen-substituted compounds
    Publication number: 20150099766
    Abstract: The invention relates to compounds of the general formula (I), in which the radicals A1, A2, A3, A4, Lm, Q, R1, T and U have the meaning given in the description and to the use of the compounds for controlling animal pests. In addition, the invention relates to processes and intermediates for the preparation of the compounds according to formula (I).
    Type: Application
    Filed: December 15, 2014
    Publication date: April 9, 2015
    Inventors: Michael MAUE, Isabelle ADELT, Wolfgang GIENCKE, Markus HEIL, Peter JESCHKE, Bernd-Wieland KRÜGER, Friedrich August MÜHLTHAU, Alexander SUDAU, Klaus RAMING, Ulrich EBBINGHAUS-KINTSCHER, Martin ADAMCZEWSKI, Arnd VOERSTE, Ulrich GÖRGENS, Tobias KAPFERER, Mark Wilhelm DREWES, Angela BECKER, Eva-Maria FRANKEN
  • Halogen-substituted compounds
    Patent number: 8946234
    Abstract: The invention relates to compounds of the general formula (I), in which the radicals A1, A2, A3, A4, Lm, Q, R1, T and U have the meaning given in the description and to the use of the compounds for controlling animal pests. In addition, the invention relates to processes and intermediates for the preparation of the compounds according to formula (I).
    Type: Grant
    Filed: October 27, 2009
    Date of Patent: February 3, 2015
    Assignee: Bayer CropScience AG
    Inventors: Michael Maue, Isabelle Adelt, Wolfgang Giencke, Markus Heil, Peter Jeschke, Bernd-Wieland Krüger, Friedrich August Mühlthau, Alexander Sudau, Klaus Raming, Ulrich Ebbinghaus-Kintscher, Martin Adamczewski, Arnd Voerste, Ulrich Görgens, Tobias Kapferer, Mark Wilhelm Drewes, Angela Becker, Eva-Maria Franken