Patents Represented by Attorney Richard E. L. Henderson
  • Patent number: 6667310
    Abstract: The present application provides guanidine derivatives of the formula (I) wherein R1, R2, R3, A and Z are as defined herein.
    Type: Grant
    Filed: October 1, 2002
    Date of Patent: December 23, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Wagner, Christoph Erdelen, Wolfram Andersch, Ulrike Wachendorff-Neumann, Andreas Turberg, Norbert Mencke
  • Patent number: 6667401
    Abstract: The present invention relates to a process for the preparation of compounds of the formula (I) in which R1, A, D, X and Z have the meanings given in the description, by reacting compounds of the formula (II)  in which A, D and X have the meanings given above, with a base and in the presence of a diluent, and subsequently reacting the reaction mixture with the mixture of CCMP/CMP (2-chloro-5-chloromethylpyridine/2-chloro-5-methylpyridine) and the corresponding hydrochlorides.
    Type: Grant
    Filed: March 26, 2002
    Date of Patent: December 23, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hermann Seifert, Uwe Stelzer
  • Patent number: 6664422
    Abstract: The present invention relates to a novel improved process and intermediates for the process of preparing the oxime intermediates of formula (II) wherein R1 is hydrogen, fluoro or chloro, and R2 is methyl, ethyl, methoxy, ethoxy, trifluoromethyl, trifluoromethoxy, cyano, fluoro, chloro or bromo. The novel process comprises diazotizing an aniline of formula (VI) reacting the resulting diazonium salt with isopropenylacetate of formula (X) and reacting the resulting ketone of formula (XI) with an organic nitrite in the presence of hydrogene chloride, and methylating the resulting ketooxime of formula (VIII) with a methylating agent and reacting the resulting O-methyl ketooxime of formula (IX) with hydroxylamine. The compounds of formula (II) are intermediates for highly active fungicides from the class of the strobilurins.
    Type: Grant
    Filed: August 13, 2001
    Date of Patent: December 16, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Rudolf Waditschatka, René Zurflüh, Edward Kelsall, Hugo Ziegler, Linhua Wang
  • Patent number: 6660872
    Abstract: The present invention relates to novel processes for preparing methoxyimino-acetamides.
    Type: Grant
    Filed: November 21, 2001
    Date of Patent: December 9, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Herbert Gayer, Bernd Gallenkamp, Peter Gerdes, Ulrich Heinemann, Walter Hübsch, Bernd-Wieland Krüger, Fritz Maurer, Holger Weintritt
  • Patent number: 6653256
    Abstract: Microcapsule formulations of A) a particulate disperse phase of a) a reaction product of at least one diamine, polyamide, dialcohol, polyalcohol and/or aminoalcohol with an isocyanate mixture characterized in the description, if appropriate as a mixture with toluylene diisocyanate, b) at least one agrochemically active compound of a particular group of substances and, c) if appropriate, additives, and B) a liquid aqueous phase, a process for the preparation of these formulations, and their use for applying the active compounds which they comprise.
    Type: Grant
    Filed: March 1, 2001
    Date of Patent: November 25, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hilmar Wolf, Joachim Weissmüller
  • Patent number: 6653343
    Abstract: The invention relates to novel active combinations of certain cyclic ketoenols and certain insecticidally active compounds that together have good insecticidal and acaricidal properties.
    Type: Grant
    Filed: August 15, 2002
    Date of Patent: November 25, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Reiner Fischer, Thomas Bretschneider, Christoph Erdelen
  • Patent number: 6649565
    Abstract: Selective herbicidal compositions are provided which comprise an effective amount of an active compound combination comprising 2-(2-methoxycarbonylphenylsulphonylaminocarbonyl)-4-methyl-5-propoxy-2, 4-dihydro-3H-1,2,4-triazol-3-one of the formula (I) and/or one or more salts of the compound of the formula (I), in particular the sodium salt and at least one crop plant compatibility-improving compound as described herein.
    Type: Grant
    Filed: March 26, 2002
    Date of Patent: November 18, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Dieter Feucht, Peter Dahmen, Mark Wilhelm Drewes, Birgit Krauskopf, Mathias Kremer, Rolf Pontzen, Hans-Joachim Santel, Arndt Wellmann, Joachim Kluth, Klaus-Helmut Müller
  • Patent number: 6649760
    Abstract: Phenyluracils of the general formula (I) in which Q, R1, R2, R3, R4, R5 and R6 each have one of the meanings given in the description, and processes for their preparation and their use as herbicides.
    Type: Grant
    Filed: February 20, 2002
    Date of Patent: November 18, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Roland Andree, Hans-Georg Schwarz, Karl-Heinz Linker, Mark Wilhelm Drewes, Peter Dahmen, Dieter Feucht, Rolf Pontzen
  • Patent number: 6646151
    Abstract: The invention relates to a process for the preparation of compounds of the formula or, if appropriate, a tautomer thereof, in each case in the free form or in salt form, in which A, X, Y, Z, R2, R3, R4, R5, R7, R9 and n are as defined in claim 1 and the C═N double bond marked with E has the E configuration, which comprises a1) reacting either a compound of the formula (II) mentioned above with a compound of the formula (III) mentioned above, in which X1 is a leaving group, or a2) a compound of the formula (IV) mentioned above, if appropriate in the presence of a base, with a compound of the formula (V) mentioned above, or b1) reacting a compound of the formula (VI) mentioned above with a compound of the formula R7—A—X2 (VII), in which X2 is a leaving group, and either further reacting the compound thus obtainable, of the formula (IV), for example according to method a2), or b2) reacting it with hydroxylamine or a salt thereof, if appropriate in the presence of a basic or
    Type: Grant
    Filed: September 26, 2000
    Date of Patent: November 11, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Saleem Farooq, Stephan Trah, Hugo Ziegler, René Zurflüh
  • Patent number: 6645915
    Abstract: The invention relates to novel substituted 1,3,5-triazines of the general formula (I) in which A represents CHR3R4 or represents C1-halogenoalkyl-substituted C3-C6-cycloalkyl, C3-C6-alkinyl or C1-C4-cyanoalkyl, where R1, R2, R3 and R4 are each as defined in the description, and to processes for their preparation, to novel intermediates, including their preparation, and to the use of the compounds of the general formula (I) as herbicides.
    Type: Grant
    Filed: July 13, 2001
    Date of Patent: November 11, 2003
    Assignees: Nihon Bayer Agrochem K. K., Bayer Aktiengesellschaft
    Inventors: Hans-Jochem Riebel, Akihiko Yanagi, Yukiyoshi Watanabe, Toshio Goto, Kristian Kather, Stefan Lehr, Katharina Voigt, Mark Wilhelm Drewes, Peter Dahmen, Dieter Feucht, Rolf Pontzen
  • Patent number: 6642181
    Abstract: Novel isothiazolecarboxamides of the formula in which R is as defined in the description, a plurality of processes for preparing the novel compounds and their use for protecting plants against attack by undesirable microorganisms and animal pests.
    Type: Grant
    Filed: December 6, 2001
    Date of Patent: November 4, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Lutz Assmann, Dietmar Kuhnt, Hans-Ludwig Elbe, Christoph Erdelen, Stefan Dutzmann, Gerd Hänssler, Klaus Stenzel, Astrid Mauler-Machnik, Yoshinori Kitagawa, Haruko Sawada, Haruhiko Sakuma
  • Patent number: 6642180
    Abstract: The present invention relates to novel biphenyl-substituted cyclic ketoenols of the formula (I) in which W represents hydrogen, halogen, alkyl, alkoxy, alkenyloxy, halogenoalkyl, halogenoalkoxy, halogenoalkenyloxy, nitro or cyano, X represents halogen, alkyl, alkoxy, alkenyloxy, alkylthio, alkylsulphinyl, alkylsulphonyl, halogenoalkyl, halogenoalkoxy, halogenoalkenyloxy, nitro, cyano or in each case optionally substituted phenyl, phenoxy, phenylthio, phenylalkoxy or phenylalkylthio, Y represents in each case optionally substituted cycloalkyl, aryl or hetaryl, Z represents hydrogen, halogen, alkyl, alkoxy, halogenoalkyl or halogenoalkoxy, CKE represents one of the groups  in which A, B, D, L, M, Q1, Q2, Q3, Q4, Q5 and Q6 are as defined in the description, to preparation and to their use as pesticides and herbicides.
    Type: Grant
    Filed: January 25, 2002
    Date of Patent: November 4, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Reiner Fischer, Alan Graff, Thomas Bretschneider, Christoph Erdelen, Mark Wilhelm Drewes, Dieter Feucht
  • Patent number: 6638979
    Abstract: The present invention relates to novel imidamide derivatives of the formula (I) in which R, R1, R2 and R3 are each as defined in the description, to a process for their preparation and to their use for controlling animal pests, such as insects, arachnids and, in particular, nematodes.
    Type: Grant
    Filed: February 5, 2001
    Date of Patent: October 28, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Jochem Riebel, Peter Gerdes, Ernst-Rudolf F. Gesing, Achim Hense, Johannes Kanellakopulos, Kristian Kather, Rolf Kirsten, Stefan Lehr, Lothar Rohe, Katharina Voigt, Detleff Wollweber, Wolfram Andersch
  • Patent number: 6632833
    Abstract: The invention relates to novel 2-(2-methylphenyl)-3,4-dihydro-2H-pyrrole derivatives of the formula (I) in which Ar represents substituted phenyl, to a plurality of processes for their preparation and to their use as pesticides.
    Type: Grant
    Filed: November 13, 2000
    Date of Patent: October 14, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Andrew Plant, Dirk Backhaus, Christoph Erdelen, Andreas Turberg, Norbert Mencke
  • Patent number: 6630594
    Abstract: The present invention provides methods of making substituted phenylketoenols of the general formula I, wherein V, W, X, Y, Z and Het are as defined herein. The compounds have pesticidal and herbicidal activity.
    Type: Grant
    Filed: January 28, 2002
    Date of Patent: October 7, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hermann Hagemann, Reiner Fischer, Thomas Bretschneider, Christoph Erdelen, Ulrike Wachendorff-Neumann, Peter Dahmen, Markus Dollinger, Alan Graff, Wolfram Andersch
  • Patent number: 6624282
    Abstract: The present invention relates to reactive compositions containing (A) NCO prepolymers based on (cyclo)aliphatic polyisocyanates having an NCO content of 1 to 8 wt. % and a monomeric polyisocyanate content of less than 2 wt. %, (B) amine-free chain extenders containing at least 50 equivalent percent of a compound melting between 50° and 160° C. having formula (I) HO—X—Y—X—OH  (I)  wherein Y denotes methylene, ethylene, —C≡C—, 1,4-, 1,3-, or 1,2-cyclohexylene, or 1,4-, 1,3-, or 1,2-phenylene, and X denotes methylene, —OCH2CH2— (wherein oxygen is bonded to group Y), or 1,4-, 1,3-, or 1,2-cyclohexylene, and (C) 0 to 20 wt. %, relative to component (A), of inert organic solvents, wherein the equivalent ratio of the free NCO groups of component (A) to the NCO-reactive groups of component (B) is 0.90 to 1.35.
    Type: Grant
    Filed: August 7, 1997
    Date of Patent: September 23, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Stefan Groth, Josef Pedain, Lutz Schmalstieg, Detlef-Ingo Schütze
  • Patent number: 6624120
    Abstract: The invention relates to novel substituted phenyluracils of the general formula (I) in which m, n, Q, R1, R2, R3, R4, R5, X and Y are each as defined in the description, to processes for their preparation, to novel intermediates and to their use as herbicides.
    Type: Grant
    Filed: December 13, 2001
    Date of Patent: September 23, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Roland Andree, Hans-Georg Schwarz, Mark Wilhelm Drewes, Peter Dahmen, Dieter Feucht, Rolf Pontzen
  • Patent number: 6624183
    Abstract: The present invention provides active compound combinations of a fluoro-benzothiazole of the formula (I) and at least one of the compounds listed herein. The active compound combinations of the present invention find use as fungicides.
    Type: Grant
    Filed: June 7, 2002
    Date of Patent: September 23, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Ulrike Wachendorff-Neumann, Herbert Gayer, Ulrich Heinemann, Thomas Seitz, Bernd-Wieland Krüger, Wolfgang Krämer, Lutz Assmann
  • Patent number: 6624121
    Abstract: Novel tetrazolinones with herbicidal activity are disclosed. The tetrazolinones of the present invention are represented by the general formula (I) wherein R1, R2, m, n and Q are as defined in the specification. A process for making the tetrazolinones of the present invention is also disclosed.
    Type: Grant
    Filed: February 5, 2002
    Date of Patent: September 23, 2003
    Assignee: Nihon Bayer Agrochem K.K.
    Inventors: Akihiko Yanagi, Shinichi Narabu, Toshio Goto, Seishi Ito, Chieko Ueno
  • Patent number: 6620822
    Abstract: The novel active compound combinations of 5,7-dichloro-4-(4-fluoro-phenoxy)-quinoline of the formula and the active compounds of groups (1) to (8) listed in the description have very good fungicidal properties.
    Type: Grant
    Filed: January 16, 2002
    Date of Patent: September 16, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Stefan Dutzmann, Klaus Stenzel, Astrid Mauler-Machnik, Ulrike Wachendorff-Neumann