Patents by Inventor Albert Schnatterer

Albert Schnatterer 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).

  • Patent number: 9204640
    Abstract: The invention relates to novel 2-acyloxypyrrolin-4-ones of the formula (I) in which A, B, G, W, X, Y and Z have the meaning given above, to a plurality of processes and intermediates for their preparation, and to their use as pesticides and/or herbicides. The invention also relates to selective herbicidal compositions comprising, firstly, the 2-acyloxypyrrolin-4-ones and, secondly, a crop plant compatibility-improving compound. The present invention furthermore relates to the boosting of the action of crop protection compositions comprising, in particular, 2-acyloxypyrrolin-4-ones, through the addition of ammonium salts or phosphonium salts and optionally penetrants, to the corresponding compositions, to processes for producing them and to their application in crop protection as insecticides and/or nematicides and/or acaricides and/or for preventing unwanted plant growth.
    Type: Grant
    Filed: February 27, 2012
    Date of Patent: December 8, 2015
    Assignee: BAYER INTELLECTUAL PROPERTY GMBH
    Inventors: Guido Bojack, Taraneh Farida, Reiner Fischer, Stefan Lehr, Albert Schnatterer, Thomas Auler, Ulrich Görgens, Heinz Kehne, Olga Malsam
  • Publication number: 20150322011
    Abstract: A method for preparing a 2,2-difluoroethylamine of the formula (III) in which 2,2-difluoroethylamine of the formula (I) is reacted with a halide of the formula (II) in the presence of a tertiary nitrogen base: where, in the formulae (II) and (III), Hal and A are defined as stated in the description.
    Type: Application
    Filed: June 24, 2013
    Publication date: November 12, 2015
    Inventors: Christian FUNKE, Norbert LUI, Rafael WARSITZ, Albert SCHNATTERER
  • Patent number: 9139547
    Abstract: The present invention relates to a multi-stage method for preparing alkali metal salts of specific 4-hydroxy-2-oxo-2,5-dihydrofuran-3-carboxylic esters of the formula (I), in which M and R1 are as defined in the description, which proceeds from malonic ester and does not require isolation of intermediates.
    Type: Grant
    Filed: July 29, 2013
    Date of Patent: September 22, 2015
    Assignee: BAYER CROPSCIENCE AG
    Inventors: Wahed Ahmed Moradi, Christian Funke, Taraneh Farida, Albert Schnatterer, Reiner Rosellen, Volker Brehme, Stefanie Rinker
  • Publication number: 20150210662
    Abstract: The present invention relates to a multi-stage method for preparing alkali metal salts of specific 4-hydroxy-2-oxo-2,5-dihydrofuran-3-carboxylic esters of the formula (I), in which M and R1 are as defined in the description, which proceeds from malonic ester and does not require isolation of intermediates.
    Type: Application
    Filed: July 29, 2013
    Publication date: July 30, 2015
    Inventors: Wahed Ahmed Moradi, Christian Funke, Taraneh Farida, Albert Schnatterer, Reiner Rosellen, Volker Brehme, Stefanie Rinker
  • Patent number: 9029577
    Abstract: The present invention relates to a novel method for preparing methylene-1,3-dioxolanes of the general formula (I) in which R1 and R2 have the meanings stated in the description. Methylene-1,3-dioxolanes are important intermediates for preparing pyrazoles and anthranilic acid amides, which may be used as insecticides.
    Type: Grant
    Filed: January 30, 2013
    Date of Patent: May 12, 2015
    Assignee: Bayer Intellectual Property GmbH
    Inventors: Sergii Pazenok, Albert Schnatterer
  • Publication number: 20140378690
    Abstract: The present invention relates to a novel method for preparing methylene-1,3-dioxolanes of the general formula (1) in which R1 and R2 have the meanings stated in the description. Methylene-1,3-dioxolanes are important intermediates for preparing pyrazoles and anthranilic acid amides, which may be used as insecticides.
    Type: Application
    Filed: January 30, 2013
    Publication date: December 25, 2014
    Inventors: Sergii Pazenok, Albert Schnatterer
  • Patent number: 8785673
    Abstract: A process is described for producing 2-chloroallyl isothiocyanate from 2,3-dichloro-1-propene by reacting the 2,3-dichloro-1-propene with a thiocyanate in the presence of a phase transfer catalyst, without diluent or in the presence of up to 15 percent by weight based on 2,3-dichloropropene and simultaneously in the presence of an excess of from 10 to 200 mol percent of 2,3-dichloro-1-propene based on the thiocyanate. A process starting from 1,2,3-trichloropropane is also described.
    Type: Grant
    Filed: April 24, 2012
    Date of Patent: July 22, 2014
    Assignee: Bayer Intellectual Property GmbH
    Inventors: Thomas Himmler, Matthias Decker, Ralf Dunkel, Peter Gerdes, Martin Littmann, Norbert Lui, Albert Schnatterer
  • Patent number: 8710238
    Abstract: Process for preparing cis-alkoxy-substituted spirocyclic 1-H-pyrrolidine-2,4-dione derivatives and alkali metal salts and alkaline earth metal salts thereof.
    Type: Grant
    Filed: March 6, 2012
    Date of Patent: April 29, 2014
    Assignee: Bayer Intellectual Property GmbH
    Inventors: Albert Schnatterer, Thomas Himmler, Reiner Fischer
  • Publication number: 20140107367
    Abstract: A process is described for producing 2-chloroallyl isothiocyanate from 2,3-dichloro-1-propene by reacting the 2,3-dichloro-1-propene with a thiocyanate in the presence of a phase transfer catalyst, without diluent or in the presence of up to 15 percent by weight based on 2,3-dichloropropene and simultaneously in the presence of an excess of from 10 to 200 mol percent of 2,3-dichloro-1-propene based on the thiocyanate. A process starting from 1,2,3-trichloropropane is also described.
    Type: Application
    Filed: April 24, 2012
    Publication date: April 17, 2014
    Applicant: BAYER INTELLECTUAL PROPERTY GMBH
    Inventors: Thomas Himmler, Matthias Decker, Ralf Dunkel, Peter Gerdes, Martin Littmann, Norbert Lui, Albert Schnatterer
  • Patent number: 8680316
    Abstract: The present invention relates to a novel process for the preparation of cis-1-ammonium-4-alkoxycyclohexanecarbonitrile salts and to novel intermediates or starting compounds which are passed through or used in the process according to the invention.
    Type: Grant
    Filed: December 19, 2011
    Date of Patent: March 25, 2014
    Assignee: Bayer CropScience AG
    Inventors: Frank Volz, Albert Schnatterer, Bernardus Kaptein, Anna Maria Cornelia Francisca Castelijns
  • Publication number: 20140057790
    Abstract: The invention relates to novel 2-acyloxypyrrolin-4-ones of the formula (I) in which A, B, G, W, X, Y and Z have the meaning given above, to a plurality of processes and intermediates for their preparation, and to their use as pesticides and/or herbicides. The invention also relates to selective herbicidal compositions comprising, firstly, the 2-acyloxypyrrolin-4-ones and, secondly, a crop plant compatibility-improving compound. The present invention furthermore relates to the boosting of the action of crop protection compositions comprising, in particular, 2-acyloxypyrrolin-4-ones, through the addition of ammonium salts or phosphonium salts and optionally penetrants, to the corresponding compositions, to processes for producing them and to their application in crop protection as insecticides and/or nematicides and/or acaricides and/or for preventing unwanted plant growth.
    Type: Application
    Filed: February 27, 2012
    Publication date: February 27, 2014
    Inventors: Guido Bojack, Taraneh Farida, Reiner Fscher, Stefan Lehr, Albert Schnatterer, Thomas Auler, Ulrich Görgens, Heinz Kehne, Olga Maslam
  • Publication number: 20120197035
    Abstract: The present invention relates to a novel process for the preparation of cis-1-ammonium-4-alkoxycyclohexanecarbonitrile salts and to novel intermediates or starting compounds which are passed through or used in the process according to the invention.
    Type: Application
    Filed: December 19, 2011
    Publication date: August 2, 2012
    Applicant: Bayer CropScience AG
    Inventors: Frank Volz, Albert Schnatterer, Bernardus Kaptein, Anna Maria Cornelia Francisca Castelijns
  • Patent number: 6927302
    Abstract: The present invention encompasses a process for preparing arylolefins by reacting one or more arylamines with one or more organic nitrites, in the presence of one or more olefins which bear at least one hydrogen atom on the double bond and in the presence of acid and in the presence of palladium or one or more palladium compounds.
    Type: Grant
    Filed: August 12, 2002
    Date of Patent: August 9, 2005
    Assignee: Bayer Aktiengesellschaft
    Inventors: Markus Eckert, Albert Schnatterer, Walter Lange
  • Publication number: 20030050500
    Abstract: The present invention encompasses a process for preparing arylolefins by reacting one or more arylamines with one or more organic nitrites, in the presence of one or more olefins which bear at least one hydrogen atom on the double bond and in the presence of acid and in the presence of palladium or one or more palladium compounds.
    Type: Application
    Filed: August 12, 2002
    Publication date: March 13, 2003
    Inventors: Markus Eckert, Albert Schnatterer, Walter Lange
  • Patent number: 6392050
    Abstract: The invention relates to a process for preparing substituted pyridines in a simple and cost-effective manner in good yields by reacting substituted 1,4-dihydropyridines with methyl nitrite in the presence of an acid that contains less than 20% by weight of oxidizing components.
    Type: Grant
    Filed: June 4, 2001
    Date of Patent: May 21, 2002
    Assignee: Bayer Aktiengesellschaft
    Inventors: Norbert Lui, Hans Panskus, Albert Schnatterer
  • Patent number: 6365780
    Abstract: Aromatic or heteroaromatic sulphonyl chlorides of the general formula I in which X may be a C or N, R1 may be fluorine, chlorine, bromine, nitro, methoxy, fluoromethoxy, difluoromethoxy, trifluoromethoxy, C1-C4 alkyl or phenyl, R2 may be H, fluorine, chlorine, bromine, OH, C1-C4 alkyl, are prepared by diazotization of the compounds of the general formula II in which X, R1 and R2 are as defined for formula (I), and decomposition of the resulting diazonium salts in the presence of sulphur dioxide and a copper catalyst, where the compounds of the formula (II) are treated, in a mixture with one or more organic solvents, sulphur dioxide and a copper catalyst, with hydrogen chloride and alkyl nitrite at temperatures of from −20 to +60° C.
    Type: Grant
    Filed: August 27, 1999
    Date of Patent: April 2, 2002
    Assignee: Bayer Aktiengesellschaft
    Inventors: Albert Schnatterer, Monika Hermann
  • Publication number: 20020002285
    Abstract: The invention relates to a process for preparing substituted pyridines in a simple and cost-effective manner in good yields by reacting substituted 1,4-dihydropyridines with methyl nitrite in the presence of an acid that contains less than 20% by weight of oxidizing components.
    Type: Application
    Filed: June 4, 2001
    Publication date: January 3, 2002
    Inventors: Norbert Lui, Hans Panskus, Albert Schnatterer
  • Patent number: 5808141
    Abstract: The new process for preparing 4,4'-dinitrostilbene-2,2'-disulphonic acid and salts thereof by oxidation of 4-nitrotoluene-2-sulphonic acid with an oxidant in the presence of strong bases is characterized in that the oxidation is carried out in a mixture of water and an organic solvent selected from the group consisting of alcohols, ethers and mixtures thereof.
    Type: Grant
    Filed: July 21, 1997
    Date of Patent: September 15, 1998
    Assignee: Bayer Aktiengesellschaft
    Inventors: Albert Schnatterer, Helmut Fiege
  • Patent number: 5773664
    Abstract: A process for separating off poorly soluble by-products from reaction mixtures which are produced in the oxidation of p-cresol with oxygen or an oxygen-containing gas in methanol as solvent in the presence of alkali metal hydroxide and in the presence of metal compounds as catalyst, is characterized in that, after the oxidation, excess alkali is neutralized to the extent that a salt precipitate forms and this salt precipitate is separated off together with the poorly soluble by-products.
    Type: Grant
    Filed: January 26, 1996
    Date of Patent: June 30, 1998
    Assignee: Bayer Aktiengesellschaft
    Inventors: Albert Schnatterer, Helmut Fiege, Frank Jelitto, Peter Skornia, Karl-Heinz Theisen
  • Patent number: 5760247
    Abstract: Diphenylamine can be dehydrocyclized on noble metal catalysts in the liquid phase at temperatures of 200.degree. to 340.degree. C. The reaction proceeds with a surprisingly high selectivity.
    Type: Grant
    Filed: May 20, 1997
    Date of Patent: June 2, 1998
    Assignee: Bayer Aktiengesellschaft
    Inventors: Albert Schnatterer, Helmut Fiege, Joerg-Dietrich Jentsch, Eberhard Zirngiebl