Patents by Inventor Ernst Baumann

Ernst Baumann 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: 20060069083
    Abstract: Use of compounds of formula (I): wherein X is S, O, S?O, SO2, NRa, or CRbRc; R1, R2 are halogen, OH, SH, NH2, CN, NO2, alkyl, alkoxy, alkylamino, dialkylamino, alkylthio, alkenyl, alkenyloxy, alkenylamino, alkenylthio, alkynyl, alkynyloxy, alkynylamino, alkynylthio, alkylsulfonyl, alkylsulfoxyl, alkenylsulfonyl, alkynylsulfoxyl, formyl, alkylcarbonyl, hydroxycarbonyl, alkoxycarbonyl, carbonyloxy, alkylcarbonyloxy, phenyloxy, alkylcarbonylamino, C(O)NRdRe, or (SO2)NRdRe, or C(?NORf)-Gp-Rf?, or a mono- or bicyclic 5- to 10-membered aromatic or heteroaromatic ringsystem, optionally substituted, which is unfused or fused to the aromatic group to which it is bonded and which, when unfused, is bonded directly or through an O, S, alkyl, or alkoxy linkage, or cycloalkyl, wherein the carbon atoms in these groups may be substituted.
    Type: Application
    Filed: December 18, 2003
    Publication date: March 30, 2006
    Inventors: Gerd Steiner, Livio Tedeschi, Thomas Schmidt, Ernst Baumann, Wolfgang Deyn, Markus Kordes, Michael Hofmann, Michael Puhl, Norbert Gotz, Michael Rack, Liliana Rapado, Jacobus Kramer, Gavin Heffernan, Deborah Culbertson, Michael Treacy, Hassan Oloumi-Sadeghi, Cecille Ebuenga, Toni Bucci
  • Patent number: 6908884
    Abstract: Cyclohexenone derivatives of benzazolones of the formula I where the variables R1, R2, R3, A and Hex are as defined in claim 1, and their salts, and their use for controlling harmful plants, are described.
    Type: Grant
    Filed: December 10, 2001
    Date of Patent: June 21, 2005
    Assignee: BASF Aktiengesellschaft
    Inventors: Guido Mayer, Ulf Misslitz, Ernst Baumann, Wolfgang von Deyn, Steffen Kudis, Michael Hofmann, Thorsten Volk, Matthias Witschel, Cyrill Zagar, Andreas Landes, Klaus Langemann
  • Patent number: 6903221
    Abstract: The invention relates to a method for producing ?-ketoenol esters of the general formula (Ia) or (Ib), wherein Ar, Ra and Rb are defined as in claim 1.
    Type: Grant
    Filed: August 21, 2001
    Date of Patent: June 7, 2005
    Assignee: BASF Aktiengesellschaft
    Inventors: Steffen Kudis, Ulf Misslitz, Ernst Baumann, Wolfgang von Deyn, Klaus Langemann
  • Patent number: 6831039
    Abstract: The invention relates to 3-(heterocyclyl)-substituted benzoylpyrazois of formula (I), wherein the variables have the following meanings: X is O, NH or N-alkyl; R1 is alkyl; R2, R3, R4, R5 are hydrogen, alkyl or alkyl halide; R6 is halogen, nitro, alkyl halide, alkoxy, halogenalkoxy, alkylthio, halogenalkylthio, alkylsulfonyl or halogenalkylsulfonyl; R7 is hydroxy, alkoxy, alkenyloxy, alkylsulfonyloxy, alkylcarboyloxy, alkylthiocarbonyloxy, phenylsulfonyloxy or phenylcarbonyloxy, and the phenyl radical can be substituted; R8, R9 are alkyl; R10 is hydrogen or alkyl; and R11 is hydrogen or alkyl; and to their agriculturally useable salts. The invention also relates to intermediate products and methods for producing the inventive compounds and to the use of these compounds or products containing them for combating undesirable plants.
    Type: Grant
    Filed: May 21, 2001
    Date of Patent: December 14, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Ulf Neidlein, Norbert Götz, Ernst Baumann, Wolfgang von Deyn, Steffen Kudis, Klaus Langemann, Guido Mayer, Ulf Misslitz, Matthias Witschel, Martina Otten, Karl-Otto Westphalen, Helmut Walter
  • Publication number: 20040235793
    Abstract: Benzoylcyclohexenone derivatives of the formula I 1
    Type: Application
    Filed: February 5, 2004
    Publication date: November 25, 2004
    Inventors: Wolfgang Von Deyn, Ernst Baumann, Michael Hofmann, Markus Kordes, Ulf Misslitz, Liliana Parra Rapado, Cyrill Zagar, Matthias Witschel, Andreas Landes
  • Publication number: 20040235667
    Abstract: Pyrazolyl-substituted thienyloxypyridines of the formula I 1
    Type: Application
    Filed: February 24, 2004
    Publication date: November 25, 2004
    Inventors: Michael Hoffmann, Liliana Parra Rapado, Wolfgang von Deyn, Ernst Baumann, Markus Kordes, Ulf Misslitz, Matthias Witschel, Cyrill Zagar, Andreas Landes
  • Patent number: 6815563
    Abstract: A process for preparing bicyclic 1,3-diketones of the formula I where R1, R2, R3 and R4 are hydrogen, C1-C4-alkyl, C1-C4-alkoxy-carbonyl, halogen, cyano, nitro, C1-C4-alkylthio, C1-C4-alkylsulfenyl or C1-C4-alkylsulfonyl and Z is C1-C4-alkylene, O, S, N—R5 where R5 is C1-C4-alkyl or C1-C4-alkylcarbonyl, which comprises a) reacting a bicyclic olefin of the formula II with haloform in the presence of a base to give the ring-expanded product of the formula III  where R1-R4 and Z are as defined above and X is halogen; b) hydrolyzing the allylic halogen of the compound of the formula III to the allyl alcohol of the formula IV c) oxidizing the allyl alcohol of the formula IV to the unsaturated ketone of the formula V d) reacting the ketone of the formula V with a nucleophilic ion Y− which stabilizes a negative charge to give the ketone of the formula VI e) hydrolyzing the ketone of the formula VI to th
    Type: Grant
    Filed: January 6, 2003
    Date of Patent: November 9, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Klaus Langemann, Ulf Misslitz, Ernst Baumann, Wolfgang von Deyn, Steffen Kudis, Thorsten Volk, Guido Mayer
  • Publication number: 20040198609
    Abstract: 4-Alkyl-substituted thienyloxypyridines of the formula I 1
    Type: Application
    Filed: February 24, 2004
    Publication date: October 7, 2004
    Inventors: Michael Hoffmann, Liliana Parra Rapado, Wolfgang von Deyn, Ernst Baumann, Markus Kordes, Ulf Misslitz, Matthias Witschel, Cyrill Zagar, Andreas Landes
  • Publication number: 20040198758
    Abstract: N-heterocyclyl-substituted thienyloxypyrimidines of the formula I 1
    Type: Application
    Filed: February 11, 2004
    Publication date: October 7, 2004
    Inventors: Liliana Parra Rapado, Wolfgang von Deyn, Michael Hofmann, Ernst Baumann, Markus Kordes, Ulf Misslitz, Cyrill Zagar, Matthias Witschel, Andreas Landes
  • Publication number: 20040092742
    Abstract: Carboxylic acid derivatives 1
    Type: Application
    Filed: June 24, 2003
    Publication date: May 13, 2004
    Applicant: Abbott GmbH & Co. KG
    Inventors: Hartmut Riechers, Dagmar Klinge, Wilhelm Amberg, Andreas Kling, Stefan Muller, Ernst Baumann, Joachim Rheinheimer, Uwe Josef Vogelbacher, Wolfgang Wernet, Liliane Unger, Manfred Raschack
  • Patent number: 6716989
    Abstract: A novel process for preparing the compounds of the formula I where: n is 0, 1 or 2; R1, R2 are C1-C6-alkyl; R3, R4, R5 are hydrogen or C1-C6-alkyl, or R4 and R5 together form a bond; R6 is Cl, Br, which comprises a synthesis sequence starting from 1,2-dialkylbenzenes of the formula II with subsequent halogenation to give 3,6-dihalo-1,2-dialkylbenzenes, haloalkylation to give benzyl bromides, oxidation to give benzaldehydes, oximation, reaction with alkenes to give isoxazoles, conversion into thioethers and, if appropriate, oxidation to give sulfenyl or sulfonyl derivatives of the formula I.
    Type: Grant
    Filed: June 18, 2003
    Date of Patent: April 6, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Michael Rack, Norbert Götz, Helmut Hagen, Wolfgang von Deyn, Ernst Baumann, Rene Lochtman, Joachim Gebhardt
  • Publication number: 20040063584
    Abstract: Cyclohexenone derivatives of benzazolones of the formula I 1
    Type: Application
    Filed: May 29, 2003
    Publication date: April 1, 2004
    Inventors: Guido Mayer, Ulf Miblitz, Ernst Baumann, Wolfgang von Deyn, Steffen Kudis, Michel Hofmann, Thorsten Volk, Matthias Witschel, Cyrill Zagar, Andreas Landes, Klaus Langemann
  • Patent number: 6713436
    Abstract: The present invention relates to 1-cycloalkylpyrazolylbenzoyl derivatives of the formula I wherein all variables are as defined in the specification, their agriculturally useful salts, processes for their preparation, and for the use of these compounds or compositions comprising them, for controlling undesirable plants.
    Type: Grant
    Filed: February 6, 2002
    Date of Patent: March 30, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Ulf Neidlein, Norbert Götz, Ulf Misslitz, Roland Götz, Ernst Baumann, Wolfgang von Deyn, Steffen Kudis, Klaus Langemann, Guido Mayer, Matthias Witschel, Martina Otten, Karl-Otto Westphalen, Helmut Walter
  • Patent number: 6706886
    Abstract: The present invention describes a process for preparing isoxazoles of the formula I where: R1 is hydrogen, C1-C6-alkyl, R2 is hydrogen, C1-C6-alkyl, R3, R4, R5 are each hydrogen, C1-C6-alkyl or R4 and R5 together form a bond, R6 is a heterocyclic ring, n is 0, 1 or 2; which comprises preparing an intermediate of the formula VI where R1, R3, R4 and R5 are each as defined above, followed by halogenation, thiomethylation, oxidation and acylation to give compounds of the formula I. Furthermore, the invention describes novel intermediates for preparing the compounds of the formula I and novel processes for preparing the intermediates.
    Type: Grant
    Filed: May 14, 2003
    Date of Patent: March 16, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Wolfgang von Deyn, Joachim Gebhardt, Michael Rack, Rene Lochtman, Norbert Götz, Michael Keil, Matthias Witschel, Helmut Hagen, Ulf Misslitz, Ernst Baumann
  • Publication number: 20040033899
    Abstract: Pyrazolylbenzazolones of the formula I 1
    Type: Application
    Filed: May 29, 2003
    Publication date: February 19, 2004
    Inventors: Guido Mayer, Ulf Miblitz, Ernst Baumann, Wolfgang von Deyn, Steffen Kudis, Michael Hofmann, Thorsten Volk, Matthias Witschel, Cyrill Zagar, Andreas Landes, Klaus Langemann
  • Patent number: 6686369
    Abstract: The present invention relates to carboxylic acid derivatives of the formula where the radicals have the meanings stated in the description, to the preparation of these compounds and to their use as drugs.
    Type: Grant
    Filed: October 8, 1998
    Date of Patent: February 3, 2004
    Assignee: Abbott GmbH & Co., KG
    Inventors: Dagmar Klinge, Wilhelm Amberg, Ernst Baumann, Andreas Kling, Hartmut Riechers, Liliane Unger, Manfred Raschack, Stefan Hergenröder, Sabine Schult
  • Patent number: 6670482
    Abstract: The present invention describes a process for preparing isoxazoles of the formula I where: R1 is hydrogen, C1-C6-alkyl, R2 is hydrogen, C1-C6-alkyl, R3, R4, R5 are each hydrogen, C1-C6-alkyl or R4 and R5 together form a bond, R6 is a heterocyclic ring, n is 0, 1 or 2; which comprises preparing an intermediate of the formula VI where R1, R3, R4 and R5 are each as defined above, followed by halogenation, thiomethylation, oxidation and acylation to give compounds of the formula I. Furthermore, the invention describes novel intermediates for preparing the compounds of the formula I and novel processes for preparing the intermediates.
    Type: Grant
    Filed: August 19, 2002
    Date of Patent: December 30, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Wolfgang von Deyn, Joachim Gebhardt, Michael Rack, Rene Lochtman, Norbert Götz, Michael Keil, Matthias Witschel, Helmut Hagen, Ulf Misslitz, Ernst Baumann
  • Patent number: 6667333
    Abstract: 3-(4,5-Dihydroisoxazol-3-yl)-substituted benzoylcyclohexenone derivatives of the formula I in which the substituents A and R1 to R12 are as defined in the description and their agriculturally useful salts are described. The compounds have herbicidal action.
    Type: Grant
    Filed: May 13, 2002
    Date of Patent: December 23, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Steffen Kudis, Ernst Baumann, Wolfgang von Deyn, Klaus Langemann, Guido Mayer, Ulf Misslitz, Ulf Neidlein, Matthias Witschel, Karl-Otto Westphalen, Helmut Walter
  • Publication number: 20030229232
    Abstract: A novel process for preparing the compounds of the formula I 1
    Type: Application
    Filed: June 18, 2003
    Publication date: December 11, 2003
    Inventors: Michael Rack, Norbert Gotz, Helmut Hagen, Wolfgang von Deyn, Ernst Baumann, Rene Lochtman, Joachim Gebhardt
  • Publication number: 20030220505
    Abstract: The present invention describes a process for preparing isoxazoles of the formula I 1
    Type: Application
    Filed: May 14, 2003
    Publication date: November 27, 2003
    Inventors: Wolfgang von Deyn, Joachim Gebhardt, Michael Rack, Rene Lochtman, Norbert Gotz, Michael Keil, Matthias Witschel, Helmut Hagen, Ulf Misslitz, Ernst Baumann