Patents by Inventor Reinhard Lantzsch

Reinhard Lantzsch 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).

  • Cis-alkoxy-substituted spirocyclic 1H-pyrrolidine-2,4-dione derivatives serving as pesticides
    Patent number: 7897803
    Abstract: The invention relates to a plurality of processes for the preparation of novel cis-alkoxy-substituted spirocyclic 1 H-pyrrolidine-2,4-dione derivatives of the formula (I) in which A, G, X and Y are as defined in the disclosure.
    Type: Grant
    Filed: November 10, 2009
    Date of Patent: March 1, 2011
    Assignee: Bayer CropScience AG
    Inventors: Thomas Himmler, Reiner Fischer, Bernd Gallenkamp, Hans-Joachim Knops, Lubbertus Mulder, Reinhard Lantzsch, Christoph Erdelen, Angelika Lubos-Erdelen, legal representative, Jorg Konze, Ralf Nauen, Olga Malsam, Christian Arnold
  • Methods for the manufacture of biphenyl amines
    Patent number: 7750186
    Abstract: The present invention relates to a new method for the manufacture of substituted biphenyl amines, new intermediate products and their manufacture, as well as a method for the manufacture of fungicidally active carboxamides.
    Type: Grant
    Filed: August 13, 2005
    Date of Patent: July 6, 2010
    Assignee: Bayer CropScience AG
    Inventors: Wolfgang Jörges, Jens-Dietmar Heinrich, Reinhard Lantzsch
  • CIS-ALKOXY-SUBSTITUTED SPIROCYCLIC 1H-PYRROLIDINE-2,4-DIONE DERIVATIVES SERVING AS PESTICIDES
    Publication number: 20100056598
    Abstract: The invention relates to a plurality of processes for the preparation of novel cis-alkoxy-substituted spirocyclic 1H-pyrrolidine-2,4-dione derivatives of the formula (I) in which A, G, X and Y are as defined in the disclosure.
    Type: Application
    Filed: November 10, 2009
    Publication date: March 4, 2010
    Inventors: Thomas Himmler, Reiner Fisher, Bernd Gallenkamp, Hans-Joachim Knops, Lubbertus Mulder, Reinhard Lantzsch, Christoph Erdelen, Angelika Lubos-Erdelen, Jorg Konze, Ralf Nauen, Olga Malsam, Christian Arnold
  • Cis-alkoxy-substituted spirocyclic 1H-pyrrolidine-2,4-dione derivatives serving as pesticides
    Patent number: 7638547
    Abstract: The invention relates to novel cis-alkoxy-substituted spirocyclic 1H-pyrrolidine-2,4-dione derivatives of the formula (I) in which A, G, X and Y are as defined in the disclosure, to a plurality of processes for their preparation and to their use as pesticides.
    Type: Grant
    Filed: July 1, 2003
    Date of Patent: December 29, 2009
    Assignee: Bayer CropScience AG
    Inventors: Thomas Himmler, Reiner Fischer, Bernd Gallenkamp, Hans-Joachim Knops, Lubbertus Mulder, Reinhard Lantzsch, Christoph Erdelen, Angelika Lubos-Erdelen, legal representative, Jörg Konze, Ralf Nauen, Olga Malsam, Christian Arnold
  • Method for the production of fluoromethyl-substituted heterocycles
    Patent number: 7501527
    Abstract: The present invention relates to a process for preparing fluoromethyl-substituted heterocycles of the formula (I) in which R1, R2, R3 and A are each as defined in the disclosure, by fluorinating the corresponding chloromethyl-substituted precursors.
    Type: Grant
    Filed: October 19, 2004
    Date of Patent: March 10, 2009
    Assignee: Bayer CropScience GmbH
    Inventors: Reinhard Lantzsch, Sergiy Pazenok, Frank Memmel
  • Methods for the Manufacture of Biphenyl Amines
    Publication number: 20080194835
    Abstract: The present invention relates to a new method for the manufacture of substituted biphenyl amines, new intermediate products and their manufacture, as well as a method for the manufacture of fungicidally active carboxamides.
    Type: Application
    Filed: August 13, 2005
    Publication date: August 14, 2008
    Applicant: Bayer GropScience AG
    Inventors: Wolfgang Jorges, Jens-Dietmar Heinrich, Reinhard Lantzsch
  • Method for producing 2-dihaloacyl-3-amino-acrylic acid esters and 3-dihalomethyl pyrazole-4-carboxylic acid esters
    Patent number: 7358387
    Abstract: The present invention relates to a process for preparing 2-dihaloacyl-3-aminoacrylic esters of the formula (I) by reacting acid halides of the formula (II) with dialkylaminoacrylic esters of the formula (III) in which R, R1, R2, X1, X2 and Hal are each as defined in the disclosure in a water-immiscible organic solvent in the presence of a base, to the novel 2-dihaloacyl-3-aminoacrylic esters of the formula (I) themselves, to their use for preparing 3-dihalomethylpyrazoles, to a process for preparing 3-dihalo-methylpyrazoles, and to novel 3-dihalomethylpyrazoles.
    Type: Grant
    Filed: October 12, 2004
    Date of Patent: April 15, 2008
    Assignee: Bayer CropScience AG
    Inventors: Reinhard Lantzsch, Wolfgang Jörges, Sergiy Pazenok
  • Method For Producing 3-Halophthalic Acid Dichlorides
    Publication number: 20080039663
    Abstract: The invention relates to a novel process for preparing 3-halophthaloyl chlorides (3-halobenzene-1,2-dicarbonyl chlorides) from the corresponding 3-halophthalic anhydrides by reacting with phosgene in the presence of an N,N-dialkylformamide.
    Type: Application
    Filed: November 23, 2005
    Publication date: February 14, 2008
    Applicant: Bayer Corp Science AG
    Inventors: Jorn Stolting, Reinhard Lantzsch, Sergiy Pazenok
  • Method for the production of fluoromethyl-substituted heterocycles
    Publication number: 20060276656
    Abstract: The present invention relates to a process for preparing fluoromethyl-substituted heterocycles of the formula (I) in which R1, R2, R3 and A are each as defined in the disclosure, by fluorinating the corresponding chloromethyl-substituted precursors.
    Type: Application
    Filed: October 19, 2004
    Publication date: December 7, 2006
    Inventors: Reinhard Lantzsch, Sergiy Pazenok, Frank Memmel
  • Method for producing 2-dihaloacyl-3-amino-acrylic acid esters and 3-dihalomethyl pyrazole-4-carboxylic acid esters
    Publication number: 20060252944
    Abstract: The present invention relates to a process for preparing 2-dihaloacyl-3-aminoacrylic esters of the formula (I) characterized in that acid halides of the formula (II) are reacted with dialkylaminoacrylic esters of the formula (III) in which R, R1, R2, X1, X2 and Hal are each as defined in the description in a water-immiscible organic solvent in the presence of a base, to the novel 2-dihaloacyl-3-aminoacrylic esters of the formula (I) themselves, to their use for preparing 3-dihalomethylpyrazoles, to a process for preparing 3-dihalomethylpyrazoles, and also to novel 3-dihalomethylpyrazoles.
    Type: Application
    Filed: October 12, 2004
    Publication date: November 9, 2006
    Inventors: Reinhard Lantzsch, Wolfgang Jorges, Sergiy Pazenok
  • Method for producing phthalic acid dichloride
    Publication number: 20060122426
    Abstract: The invention relates to a novel method for producing phthalic acid dichloride (benzene-1,2-dicarbonylchloride) from phthalic anhydride by reaction with phosgene in the presence of N,N-dialkylformamides.
    Type: Application
    Filed: August 6, 2003
    Publication date: June 8, 2006
    Inventors: Jorn Stolting, Reinhard Lantzsch
  • Methods for producing 2-(2-hydroxyphenyl)-2-(alkoxyimino)-N-methylacetamide derivatives
    Patent number: 6831197
    Abstract: The present application relates to a plurality of novel processes for preparing 2-(2-hydroxyphenyl)-2-(alkoxyimino)-N-methylacetamide derivatives, to novel intermediates for their preparation, and to processes for preparing these intermediates.
    Type: Grant
    Filed: January 14, 2004
    Date of Patent: December 14, 2004
    Assignee: Bayer Aktiengesellschaft
    Inventors: Walter Hübsch, Bernd Gallenkamp, Herbert Gayer, Lubbertus Mulder, Thorsten Müh, Reinhard Lantzsch, Holger Weintritt
  • Method for producing 2-(hydroxyphenyl)-2-(alkoxyimino)-n-methylacetamide derivatives
    Publication number: 20040199014
    Abstract: The invention relates to a novel process for preparing (2E)-2-(hydroxyphenyl)-2-(alkoxyimino)-N-methylacetamides.
    Type: Application
    Filed: February 3, 2004
    Publication date: October 7, 2004
    Inventors: Holger Weintritt, Reinhard Lantzsch, Thorsten Muh
  • Method for producing (2e)-2-(hydroxyphenyl-2-(alkoxyimino)-n-methylacetamides
    Publication number: 20040186318
    Abstract: The invention relates to a novel process for preparing (2E)-2-(hydroxyphenyl)-2-(alkoxyimino)-N-methylacetamides.
    Type: Application
    Filed: January 27, 2004
    Publication date: September 23, 2004
    Inventors: Holger Weintritt, Reinhard Lantzsch, Thorsten Muh
  • Methods for producing 2-(2-hydroxyphenyl)-2-(alkoxyimino)-N-methylacetamide derivatives
    Publication number: 20040147782
    Abstract: The present application relates to a plurality of novel processes for preparing 2-(2-hydroxyphenyl)-2-(alkoxyimino)-N-methylacetamide derivatives, to novel intermediates for their preparation, and to processes for preparing these intermediates.
    Type: Application
    Filed: January 14, 2004
    Publication date: July 29, 2004
    Inventors: Walter Hubsch, Bernd Gallenkamp, Herbert Gayer, Lubbertus Mulder, Thorsten Muh, Reinhard Lantzsch, Holger Weintritt
  • Method for producing 2-alkyl-3-chlorophenols
    Patent number: 6756512
    Abstract: The invention relates to a novel process for preparing 2-alkyl-3-chlorophenols.
    Type: Grant
    Filed: October 30, 2002
    Date of Patent: June 29, 2004
    Assignee: Bayer Aktiengesellschaft
    Inventors: Walter Hübsch, Reinhard Lantzsch, Thorsten Müh, Holger Weintritt
  • Process for preparing 3-(1-hydroxyphenyl-1-alkoximinomethyl)dioxazines
    Patent number: 6730799
    Abstract: The present invention relates to a plurality of novel processes and novel intermediates for preparing 3-(1-hydroxyphenyl-1-alkoximinomethyl)dioxazines, which are known as intermediates for preparing compounds having fungicidal properties (WO 95-04728).
    Type: Grant
    Filed: June 5, 2002
    Date of Patent: May 4, 2004
    Assignee: Bayer Aktiengesellschaft
    Inventors: Herbert Gayer, Bernd Gallenkamp, Peter Gerdes, Ulrich Heinemann, Bernd-Wieland Krüger, Reinhard Lantzsch, Thomas Seitz, Uwe Stelzer
  • Methods for producing 2-(2-hydroxyphenyl)-2-(alkoxyimino)-N-methylacetamide derivatives
    Patent number: 6700017
    Abstract: The present invention provides processes for preparing 2-(2-hydroxyphenyl)-2-(alkoxyimino)-N-methylacetamides, to intermediates for this preparation, and to processes for preparing those intermediates.
    Type: Grant
    Filed: May 20, 2002
    Date of Patent: March 2, 2004
    Assignee: Bayer Aktiengesellschaft
    Inventors: Walter Hübsch, Bernd Gallenkamp, Herbert Gayer, Lubbertus Mulder, Thorsten Müh, Reinhard Lantzsch, Holger Weintritt
  • Method for preparing substituted 5-amino-N-phenyl-1,2,4-triazole-3-sulfonamides
    Patent number: 6680388
    Abstract: The present invention relates to a process for preparing 5-amino-N-phenyl-1,2,4-triazole-3-sulfonamides of the formula (I) where X is halogen, cyano or nitro, R is hydrogen or optionally halogen-substituted C1-C4-alkyl, and n is 1 or 2, by reacting 5-amino-3-chlorosulfonyl-1,2,4-triazole of the formula (II) with substituted anilines of the formula (III) where X, n and R are as defined for formula (I), in the absence of a solvent.
    Type: Grant
    Filed: December 12, 2002
    Date of Patent: January 20, 2004
    Assignee: Bayer Cropscience AG
    Inventors: Christian Beier, Reinhard Lantzsch
  • Fluoromethoximino compounds
    Patent number: 6632817
    Abstract: The invention relates to novel fluoromethoximino compounds, to a process for their preparation and to their use as pesticides, and also to novel intermediates and to a plurality of processes for their preparation.
    Type: Grant
    Filed: August 20, 2001
    Date of Patent: October 14, 2003
    Inventors: Ulrich Heinemann, Herbert Gayer, Peter Gerdes, Albrecht Marhold, Uwe Stelzer, Reinhard Lantzsch, Ralf Tiemann, Klaus Stenzel, Astrid Mauler-Machnik, Stefan Dutzmann, Martin Kugler, Hans-Ulrich Buschhaus