Patents by Inventor Gerhard Hamprecht

Gerhard Hamprecht 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: 6525000
    Abstract: A process for preparing fused triazoles of formula I where: X—X is C—O, C—S, C—SO, C—SO2, or C—NR1; V is C═W2, R1R2C—C(═W2)— or C(═V2)—C(═W2); W1, W2 are oxygen or sulfur; which comprises reacting substituted N-aminoureas are reacted with formaldehyde or paraformaldehyde to give the corresponding methyleneimino ureas; cyclizing these in the presence of catalytic amounts of acid or metal oxide to give tetrahydro-4H-1,3,4-oxa(or thia)diazines, and cyclizing the fused triazoles using phosgene or a phosgene substitute.
    Type: Grant
    Filed: December 18, 2000
    Date of Patent: February 25, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Gerhard Hamprecht, Olaf Menke, Robert Reinhard, Peter Schäfer, Cyrill Zagar, Martina Otten, Karl-Otto Westphalen, Helmut Walter
  • Publication number: 20020198106
    Abstract: A composition which comprises
    Type: Application
    Filed: October 15, 2001
    Publication date: December 26, 2002
    Inventors: Max Landes, Bernd Sievernich, Elmar Kibler, Wessel Nuyken, Helmut Walter, Karl-Otto Westphalen, Horst Mayer, Egon Haden, Christiaan Mulder, Alfons Schonhammer, Gerhard Hamprecht
  • Patent number: 6482774
    Abstract: Substituted (4-bromopyrazol-3-yl)benzazoles I and their salts where R1=H, C1-C4-alkyl, C1-C4-haloalkyl; R2=CN, Cl-C4-alkyl, C1-C4-haloalkyl, C1-C4-alkoxy, C1-C4-haloalkoxy, C1-C4-alkylthio, C1-C4-haloalkylthio, C1-C4-alkylsulfinyl, C1-C4-haloalkylsulfinyl, C1-C4-alkylsulfonyl, C1-C4-haloalkylsulfonyl; R4=H, halogen; R5=H, CN, halogen, C1-C4-alkyl, C1-C4-haloalkyl, C1-C4-alkoxy or C1-C4-haloalkoxy; Z=—N═C(XR6)—O— or —N═C(XR6)—S—, attached to &agr; via the nitrogen, oxygen or sulfur; X=a chemical bond, oxygen, sulfur, —S(O)—, —SO2—, —NH— or —N(R7)—; R6, R7=Cl-C6-alkyl, Cl-C6-haloalkyl, cyano-Cl-C4-alkyl, hydroxy-C1-C4-alkyl, C3-C6-alkenyl, cyano-C3-C6-alkenyl, C3-C6-haloalkenyl, C3-C6-alkynyl, cyano-C3-C6-alkynyl, C3-C6-haloalkynyl, C1-C4-alkoxy-C1-C4-alkyl, C1-C4-haloalkoxy-C1-C4-alkyl, C3-C4-alkenyloxy-C1-C4-alkyl, C3-C4-alkynyloxy-C1-C4-alkyl,
    Type: Grant
    Filed: October 25, 2000
    Date of Patent: November 19, 2002
    Assignee: BASF Aktiengesellschaft
    Inventors: Cyrill Zagar, Gerhard Hamprecht, Markus Menges, Olaf Menke, Robert Reinhard, Peter Schäfer, Karl-Otto Westphalen, Martina Otten, Helmut Walter
  • Patent number: 6476061
    Abstract: The invention relates to fungicides containing compounds of formula (I) as their active agents, the radicals in said formula (I) having the following meanings: R1 is hydrogen, C1-C6-alkyl, C1-C6-alkylcarbonyl, formyl or C1-C6-halogenalkylcarbonyl; R2 is hydrogen, C1-C6-alkyl or C1-C6-halogenalkyl; R3-R12 are hydrogen, halogen, C1-C8-cycloalkyl, C1-C6-alkyl, C1-C6-halogenalkyl, C1-C6-alkoxy, C1-C6-halogenalkoxy, C1-C6-alkylsulfonyl, C1-C6-halogenalkylsulfonyl, formyl, cyano, C1-C6-alkylthio or phenyl which can optionally be substituted by halogen atoms, C1-C6-alkyl or C1-C6-halogenalkyl groups, and to their agriculturally usable salts. The invention also relates to methods for combating fungi in plants using these fungicides.
    Type: Grant
    Filed: May 9, 2001
    Date of Patent: November 5, 2002
    Assignee: BASF Aktiengesellschaft
    Inventors: Joachim Rheinheimer, Karl Eicken, Ingo Rose, Thomas Grote, Eberhard Ammermann, Gisela Lorenz, Siegfried Strathmann, Gerhard Hamprecht
  • Patent number: 6472349
    Abstract: Pyridine-2,3-dicarboxamides of the formula I in which the variables are as defined in the description, which are suitable for use as herbicides or for the desiccation or defoliation of plants are described.
    Type: Grant
    Filed: September 28, 2001
    Date of Patent: October 29, 2002
    Assignee: BASF Aktiengesellschaft
    Inventors: Gerhard Hamprecht, Markus Menges, Olaf Menke, Robert Reinhard, Ingo Sagasser, Cyrill Zagar, Karl-Otto Westphalen, Martina Otten, Helmut Walter
  • Patent number: 6451734
    Abstract: The present invention relates to novel substituted 3-benzylpyrazoles of the formula I
    Type: Grant
    Filed: May 3, 1999
    Date of Patent: September 17, 2002
    Assignee: BASF Aktiengesellschaft
    Inventors: Cyrill Zagar, Gerhard Hamprecht, Markus Menges, Olaf Menke, Peter Schäfer, Karl-Otto Westphalen, Ulf Misslitz, Helmut Walter, Robert Reinhard, Robert Brian Jones
  • Patent number: 6448205
    Abstract: Substituted 2-phenylpyridines of formula I where R1 to R5 are described herein, their use as herbicides and for the desiccation and/or defoliation of plants.
    Type: Grant
    Filed: February 17, 1999
    Date of Patent: September 10, 2002
    Assignee: BASF Aktiengesellschaft
    Inventors: Peter Schäfer, Michael Rack, Gerhard Hamprecht, Helmut Walter, Karl-Otto Westphalen, Ulf Misslitz, Markus Menges, Cyrill Zagar, Olaf Menke
  • Patent number: 6432880
    Abstract: 2-Phenylpyridines I an their salts, wherein R1 to R17, X1-X3 are as defined in the specification. The compounds are useful as herbicides, desiccants and defoliants.
    Type: Grant
    Filed: July 5, 2001
    Date of Patent: August 13, 2002
    Assignee: BASF Aktiengesellschaft
    Inventors: Olaf Menke, Markus Menges, Ingo Sagasser, Gerhard Hamprecht, Robert Reinhard, Cyrill Zagar, Karl-Otto Westphalen, Martina Otten, Helmut Walter
  • Patent number: 6420314
    Abstract: Substituted 2-phenylpyridines of the formula I in which the substituents and the index m are defined in the specification.
    Type: Grant
    Filed: November 17, 1999
    Date of Patent: July 16, 2002
    Assignee: BASF Aktiengesellschaft
    Inventors: Gerhard Hamprecht, Peter Schäfer, Markus Menges, Olaf Menke, Robert Reinhard, Cyrill Zagar, Karl-Otto Westphalen, Martina Otten, Helmut Walter
  • Patent number: 6413911
    Abstract: Sulfonylureas of the general formula I where R1 is a methyl or ethyl group; R2 is C1-C3-alkoxycarbonyl, a C1-C2-alkyl group which carries 1 to 5 fluorine atoms, methylsulfonyl, dimethylaminosulfonyl, thiomethyl, methylsulfinyl, methylsulfonyloxy, trifluoromethoxy, difluoromethoxy, difluorochloromethoxy, difluorochloromethyl or nitro; R3 is hydrogen, methyl, methoxy, ethoxy, fluorine, chlorine or thiomethyl; W is hydrogen or chlorine and Z is CH or N and their agriculturally utilizable salts are described.
    Type: Grant
    Filed: June 14, 2001
    Date of Patent: July 2, 2002
    Assignee: BASF Aktiengesellschaft
    Inventors: Horst Mayer, Gerhard Hamprecht, Karl-Otto Westphalen, Matthias Gerber, Helmut Walter
  • Patent number: 6407245
    Abstract: Substituted thiopyridines of the general formula I where n is 1 or 2; R1 is chlorine, C1-C3-fluoroalkyl, nitro or methylsulfonyl; R2 is a C1-C10-alkyl, C2-C10-alkenyl or C2-C10-alkynyl radical, in each case unsubstituted or substituted by halogen, C1-C4-alkoxy, C1-C4-alkoxycarbonyl, di-(C1-C4-alkylamino)carbonyl, cyano or nitro, a C3-C8-cycloalkyl radical, or a C1-C4-alkyl-enephenyl, phenyl or naphthyl radical which is unsubstituted or substituted in the phenyl moiety by halogen, C1-C3-alkyl, C1-C3-alkoxy, trifluoromethyl, cyano or nitro.
    Type: Grant
    Filed: February 26, 2001
    Date of Patent: June 18, 2002
    Assignee: BASF Aktiengesellschaft
    Inventors: Gerhard Hamprecht, Joachim Gebhardt, Heinz Isak, Michael Rack, Joachim Rheinheimer, Peter Schäfer
  • Patent number: 6387849
    Abstract: Novel hydroximic acid derivatives I and salts thereof, where X=O, S; Y=O, S; R1=H, C1-C4-alkyl, NH2, C1-C4-alkylamino or di(C1-C4-alkyl)amino; R2=C1-C3-haloalkyl; R3=H, halogen, C1-C4-alkyl; R4=H, halogen; R5=CN, halogen; R6=C1-C6-alkyl, C2-C6-alkenyl, C3-C6-alkynyl or phenyl-C1-C6-alkyl, where the phenyl ring of this group may be unsubstituted or may carry 1-3 substituents; R7=a C1-C6-alkyl, C2-C6-alkenyl, C3-C6-alkynyl or phenyl-C1-C6-alkyl, where these 4 groups may be unsubstituted or may carry 1 to 2 substituents; Use: As herbicides; for the desiccation/defoliation of plants.
    Type: Grant
    Filed: September 21, 1999
    Date of Patent: May 14, 2002
    Assignee: BASF Aktiengesellschaft
    Inventors: Olaf Menke, Gerhard Hamprecht, Markus Menges, Robert Reinhard, Peter Schäfer, Cyrill Zagar, Karl-Otto Westphalen, Ulf Misslitz, Helmut Walter
  • Patent number: 6383986
    Abstract: 2-(Benzaryl)pyridines I and salts thereof where n=zero, 1; R1=H, CN, NO2, NH2, OH, SH, SO2—OH, SO2—Cl, SO2—NH2, halogen, optionally halogenated alkyl, alkoxy, alkylthio, alkylsulfinyl, alkylsulfonyl, alkylaminosulfonyl, dialkylaminosulfonyl; R2, R3=H, halogen; R4=CN, OH, halogen, alkoxy or optionally substituted benzyloxy; X=—Y—C(ZR5)═N— where the nitrogen is attached to &agr; or &bgr; and Y=—O—, —S—, —N(R6)—; Z=a chemical bond, —O—, —S—, —S(O)—, —SO2—, —N(R7)—; R5, R6, R7=H, optionally substituted alkyl, alkenyl, alkynyl, cycloalkyl, phenyl or 3- to 7-membered heterocyclyl; or R5=H, CN, SH, NH2, halogen, —CH2—CH(halogen)-R8, —CH═CH—R8 or —CH═C(halogen)-R8 (R8=COOH, alkoxycarbonyl, alkylthiocarbonyl, CONH2, alkylaminocarbonyl or dialkylamino
    Type: Grant
    Filed: January 11, 2000
    Date of Patent: May 7, 2002
    Assignee: BASF Aktiengesellschaft
    Inventors: Markus Menges, Gerhard Hamprecht, Olaf Menke, Robert Reinhard, Peter Schäfer, Cyrill Zagar, Karl-Otto Westphalen, Martina Otten, Helmut Walter
  • Publication number: 20020049321
    Abstract: Sulfonylureas of the general formula I 1
    Type: Application
    Filed: June 14, 2001
    Publication date: April 25, 2002
    Inventors: Horst Mayer, Gerhard Hamprecht, Karl-Otto Westphalen, Matthias Gerber, Helmut Walter
  • Patent number: 6372766
    Abstract: Substituted 2-(2′-pyridyloxy)phenylacetamides I, where R1 is fluorine, chlorine, CH3 or halomethyl; R2 is fluorine, bromine, alkyl or halomethyl; R3 is hydrogen or one of the radicals mentioned under R2; and R2 is 6-chloro if R3 is hydrogen, R3 is 5-chloro if R2 is fluorine and the compound in which R1, R2 and R3 are each chlorine with the proviso that R1 may not be chlorine if R2 is 5-trifluoromethyl and R3 is hydrogen, and processes for their preparation and their use for controlling harmful fungi and animal pests are described.
    Type: Grant
    Filed: April 20, 2000
    Date of Patent: April 16, 2002
    Assignee: BASF Aktiengesellschaft
    Inventors: Wassilios Grammenos, Klaus Oberdorf, Hubert Sauter, Andreas Gypser, Herbert Bayer, Markus Gewehr, Thomas Grote, Bernd Müller, Arne Ptock, Franz Röhl, Gerhard Hamprecht, Norbert Götz, Eberhard Ammermann, Gisela Lorenz, Siegfried Strathmann
  • Patent number: 6365552
    Abstract: Substituted 3-phenylpyrazoles of the formula I Salts thereof and use as herbicides.
    Type: Grant
    Filed: February 19, 1999
    Date of Patent: April 2, 2002
    Assignee: BASF Aktiengesellschaft
    Inventors: Christoph-Sweder von dem Bussche-Hünnefeld, Ralf Klintz, Gerhard Hamprecht, Elisabeth Heistracher, Peter Schäfer, Peter Münster, Klaus Ditrich, Hartmann König, Karl-Otto Westphalen, Matthias Gerber, Helmut Walter
  • Patent number: 6362133
    Abstract: A composition which comprises a) at least one sulfonylurea of the formula I: wherein the radicals R1 to R5 and the index n are as defined in the specification, or an enviromentally compatible salt of the sulfonylurea, and b) at least one herbicidal compound selected from groups b1 to b41 as defined in the specification, or an environmentally compatible salt of the herbicidal compound, and which exhibits a synergistic herbicidal effect.
    Type: Grant
    Filed: March 7, 2000
    Date of Patent: March 26, 2002
    Assignee: BASF Aktiengesellschaft
    Inventors: Max Landes, Bernd Sievernich, Elmar Kibler, Wessel Nuyken, Helmut Walter, Karl-Otto Westphalen, Horst Mayer, Egon Haden, Christiaan Mulder, Alfons Schönhammer, Gerhard Hamprecht
  • Patent number: 6337305
    Abstract: Substituted 2-benz(o)ylpyridines I and salts thereof where n=0, 1; X=CO, CH2, CH(C1-C4-alkyl), CH—OH, CH—CN, CH-halogen, C(halogen)2, CH—CONH2, CH—CO—O(C1-C4-alkyl), CH—O(C1-C4-alkyl), C(CN)(C1-C4-alkyl); R1=halogen, C1-C4-haloalkyl, C1-C4-alkylthio, C1-C4-alkylsulfinyl, C1-C4-alkylsulfonyl; R2=H, halogen; R3=H, NO2, OH, halogen, C1-C4-alkoxy; R4=H, NO2, OH, halogen, C1-C4-alkyl, C1-C4-haloalkyl, C1-C4-alkoxy; R5=H, NO2, CN, halogen, C1-C8-alkyl, C3-C8-alkenyl, C3-C8-alkynyl, C3-C8-cycloalkyl, C1-C8-haloalkyl, C2-C8-haloalkenyl, C2-C8-haloalkinyl, C1-C4-alkoxy-C1-C4-alkyl, C2-C4-alkenyloxy-C1-C4-alkyl, C2-C4-alkynyloxy-C1-C4-alkyl, C1-C4-alkylthio-C1-C4-alkyl, C1-C4-alkylsulfinyl-C1-C4-alkyl, C1-C4-alkylsulfonyl-C1-C4-alkyl, cyano-C1-C8-alkyl, cyano-C2-C8-alkenyl, cyano-C3-C8-alkynyl, unsubstituted or substituted OH, SH, SO—H, —SO2—H, COOH or NH—COOH, —SO2Cl, —N(R9,
    Type: Grant
    Filed: September 15, 1999
    Date of Patent: January 8, 2002
    Assignee: BASF Aktiengesellschaft
    Inventors: Peter Schäfer, Gerhard Hamprecht, Markus Menges, Olaf Menke, Michael Rack, Cyrill Zagar, Karl-Otto Westphalen, Ulf Misslitz, Helmut Walter
  • Patent number: 6323154
    Abstract: 3-Aryluracils of the formula I wherein A is hydrogen, methyl or amino; X is oxygen or —N(R7)— (R7=H alkyl, alkenyl, alkynyl, alkylcarbonyl or alkoxyalkyl); Y1 is oxygen or sulfur; Z is oxygen or —N(R8)— (R8=H, alkyl, alkenyl, alkynyl or alkoxyalkyl); R1 is hydrogen or halogen; R2 is hydrogen, halogen, alkyl, haloalkyl, alkylthio, alkylsulfenyl or alkylsulfonyl; R3 is hydrogen, halogen or alkyl; R4 is hydrogen; or optionally substituted alkyl, cycloalkyl, haloalkyl, alkenyl, alkynyl, alkylcarbonyl, alkenylcarbonyl, alkynylcarbonyl or alkylsulfonyl, R5, R6 are hydrogen, alkyl, alkenyl, alkynyl or alkoxyalkyl; or R6, R8 are together a second chemical bond, methods and intermediates for their manufacture, and their use as herbicides or for the desiccation or defoliation of plants.
    Type: Grant
    Filed: August 26, 1997
    Date of Patent: November 27, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Ralf Klintz, Norbert Götz, Peter Schäfer, Gerhard Hamprecht, Elisabeth Heistracher, Christoph-Sweder von dem Bussche-Hünnefeld, Albrecht Harreus, Karl-Otto Westphalen, Helmut Walter, Ulf Misslitz
  • Patent number: 6320046
    Abstract: Sulfonylureas of the general formula I where R1 is a methyl or ethyl group; R2 is C1-C3-alkoxycarbonyl, a C1-C2-alkyl group which carries 1 to 5 fluorine atoms, methylsulfonyl, dimethylaminosulfonyl, thiomethyl, methylsulfinyl, methylsulfonyloxy, trifluoromethoxy, difluoromethoxy, difluorochloromethoxy, difluorochloromethyl or nitro; R3 is hydrogen, methyl, methoxy, ethoxy, fluorine, chlorine or thiomethyl; W is hydrogen or chlorine and Z is CH or N and their agriculturally utilizable salts are described.
    Type: Grant
    Filed: March 7, 2000
    Date of Patent: November 20, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Horst Mayer, Gerhard Hamprecht, Karl-Otto Westphalen, Matthias Gerber, Helmut Walter