Patents by Inventor Michael Puhl

Michael Puhl 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).

  • 1-phenylpyrrolidine-2-one-3-carboxamides
    Publication number: 20060019831
    Abstract: The invention relates to 1-phenylpyrrolidin-2-one-3-carboxamides of the formula I where the variables R1, R2, R3, X, Y, A, n, Ra, Rb, Rc, Rd and Re are as defined in claim 1 and to their agriculturally useful salts. Moreover, the invention relates to the use of compounds I and/or their salts as herbicides; crop protection compositions comprising at least one 1-phenylpyrrolidin-2-one-3-carboxamide of the formula I and/or at least one agriculturally useful salt of I as active substances; and also a method for controlling unwanted vegetation, which comprises allowing a herbicidally effective amount of at least one 1-phenylpyrrolidin-2-one-3-carboxamide of the formula I or an agriculturally useful salt of I to act on plants, their habitat or on seed.
    Type: Application
    Filed: October 17, 2003
    Publication date: January 26, 2006
    Applicant: BASF AKTIENGESELLSCHAFT
    Inventors: Robert Reinhard, Gerhard Hamprecht, Michael Puhl, Werner Seitz, Liliana Rapado, Annegret Scannell-Lansky, Klaus Grossmann, Helmut Schiffer, Matthias Witschel, Cyrill Zagar
  • Bifunctional phenyliso(thio)cyanates, processes and intermediates products for their Preparation
    Publication number: 20060004220
    Abstract: A process for preparing phenyl iso(thio)cyanates of the formula I in which a compound of the formula II or its HCl adduct is reacted with a phosgenating agent where W is oxygen or sulfur and Ar and A are as defined in claim 1 is described. Moreover, the invention relates to the use of the phenyl iso(thio)cyanates for preparing crop protection agents.
    Type: Application
    Filed: October 29, 2003
    Publication date: January 5, 2006
    Inventors: Gerhard Hamprecht, Michael Puhl, Bernd Wolf, Norbert Gotz, Michael Keil, Robert Reinhard, Ingo Sagasser, Werner Seitz
  • 3-heterocyclyl substituted benzoic acid derivatives
    Publication number: 20050239655
    Abstract: Disclosed are 3-heterocyclyl substituted benzoic acid derivatives of general formula (I), in which the variables R1 to R8 and X have the meanings indicated in claim 1, and the use thereof as herbicides or for desiccating/defoliating plants.
    Type: Application
    Filed: July 22, 2003
    Publication date: October 27, 2005
    Applicant: BASF Aktiengesellschaft
    Inventors: Michael Puhl, Gerhard Hamprecht, Robert Reinhard, Ingo Sagasser, Werner Seitz, Cyrill Zagar, Andreas Landes
  • Phenylalanine derivatives as herbicides
    Publication number: 20050215435
    Abstract: Phenylalanine derivatives of the formula I where the radicals are as defined in the description, and the use of these compounds as herbicides and/or for regulating plant growth is described.
    Type: Application
    Filed: January 30, 2003
    Publication date: September 29, 2005
    Inventors: Markus Menges, Michael Puhl, Costin Rentzea, Albrecht Harreus, Christoph Bussche-Hunnefeld, Andreas Gypser, Anja Schwogler, Matthias Witschel, Cyrill Zagar, Klaus Grossmann, Helmut Schiffer, Franz Rohl
  • Method for the production of sulphamic acid halogenides
    Publication number: 20050159622
    Abstract: The present invention relates to a process for preparing sulfamoyl halides of primary or secondary amines, comprising the following steps: i) reacting a primary or secondary amine Al with at least equimolar amounts of SO3 or an SO3 source in the presence of at least equimolar amounts of a tertiary amine A2, based in each case on the amine A1, and ii) reacting the reaction mixture obtained in step i) with at least the amount of a phosphorus halide required by the stoichiometry; The invention further relates to a process for preparing sulfonic diamides, comprising the preparation of sulfamoyl halides by means of carrying out steps i) and ii) and subsequently reacting the sulfamoyl halide obtained with ammonia. The invention further relates to the use of this process for preparing active herbicidal ingredients having a sulfuric diamide structure. The invention further relates to novel sulfamoyl chlorides.
    Type: Application
    Filed: November 27, 2003
    Publication date: July 21, 2005
    Inventors: Gerhard Hamprecht, Michael Puhl, Robert Reinhard, Ingo Sagasser, Thomas Schmidt, Norbert Gotz, Thomas Zierke
  • Method of producing 1-alkyl-3-aryl-5-difluoromethoxy-1H-pyrazoles
    Patent number: 6897322
    Abstract: The invention relates to a method of preparing 1-alkyl-3-aryl-5-difluoromethoxy-1H-pyrazoles of the formula (I), wherein aryl represents a mono- or polysubstituted phenyl ring, and R1 represents C1-C4 alkyl. The inventive method is characterized by reacting, in a first reaction step, a ?-ketoester of the general formula (II) with hydrazine and by successively reacting the reaction product obtained with chlorodifluoromethane and a compound R1-L, wherein R1 has the meanings indicated above and L represents the leaving group of a nucleophilic displacement reaction.
    Type: Grant
    Filed: January 15, 2002
    Date of Patent: May 24, 2005
    Assignee: BASF Aktiengesellschaft
    Inventors: Thorsten Volk, Michael Puhl, Cyrill Zagar, Rene Lochtman, Norbert Götz, Gerhard Hamprecht
  • Method for producing 7-(pyrazole-3-yl) benzoxazoles
    Patent number: 6888003
    Abstract: A process for preparing 7-(pyrazol-3-yl)benzoxazoles of the formula I in which the variables R1-R6 are as defined in claim 1, which process is characterized in that a 2-halo-3-(pyrazol-3-yl)anilide of the formula II, in which X is bromine or iodine is reacted with a base in the presence of a transition metal compound of subgroup VIIa, VIIIa or Ib of the Periodic Table of the Elements, is disclosed.
    Type: Grant
    Filed: March 15, 2001
    Date of Patent: May 3, 2005
    Assignee: BASF Aktiengesellschaft
    Inventors: Cyrill Zagar, Robert Reinhard, Michael Puhl, Thorsten Volk, Norbert Götz, Gerhard Hamprecht, Olaf Menke, Ingo Sagasser
  • Method for producing anellated tetrahydro-{1h}-triazoles
    Publication number: 20040097728
    Abstract: The present invention relates to a process for preparing fused tetrahydro-[1H]-triazoles of the formula I 1
    Type: Application
    Filed: March 5, 2003
    Publication date: May 20, 2004
    Inventors: Gerhard Hamprecht, Olaf Menke, Robert Reinhard, Michael Puhl, Ingo Sagasser, Cyrill Zagar, Matthias Witschel, Helmut Walter
  • Method of producing 1-alkyl-3-aryl-5-difluoromethoxy-ih-pyrazoles
    Publication number: 20040059128
    Abstract: The invention relates to a method of Aryl preparing 1-alkyl-3-aryl-5-difluoromethoxy-1H-pyrazoles of the formula (I), wherein aryl represents a mono- or polysubstituted phenyl ring, and R1 represents C1-C4 alkyl. The inventive method is characterized by reacting, in a first reaction step, a &bgr;-ketoester of the general formula (II) with hydrazine and by successively reacting the reaction product obtained with chlorodifluoromethane and a compound R1-L, wherein R1 has the meanings indicated above and L represents the leaving group of a nucleophilic displacement reaction.
    Type: Application
    Filed: July 3, 2003
    Publication date: March 25, 2004
    Inventors: Thomas Volk, Michael Puhl, Cyrill Zagar, Rene Lochtman, Norbert Gotz, Gerhard Hamprecht
  • 2-Aryl-5-trifluoromethylpyridines
    Publication number: 20040043903
    Abstract: The present invention relates to 2-aryl-5-trifluoromethylpyridines of the formula I 1
    Type: Application
    Filed: May 12, 2003
    Publication date: March 4, 2004
    Inventors: Michael Puhl, Andreas Gypser, Gerhard Hamprecht, Thorsten Volk, Peter Schafer, Robert Reinhard, Ingo Sagasser, Cyrill Zagar, Matthias Witschel, Andreas Landes
  • 3-Arylisothiazoles and their use as herbicides
    Publication number: 20040023807
    Abstract: 3-Arylisothiazoles of the formula I 1
    Type: Application
    Filed: November 14, 2002
    Publication date: February 5, 2004
    Inventors: Ingo Sagasser, Olaf Menke, Michael Rack, Gerhard Hamprecht, Michael Puhl, Robert Reinhard, Matthias Witschel, Cyrill Zagar, Helmut Walter, Karl-Otto Westphalen
  • Substituted aniline compounds
    Patent number: 6683213
    Abstract: The present invention relates to substituted aniline compounds of the formula 1 in which R21, R22 and R23 have the meanings indicated in the description. The compounds according to the invention are intermediates for the preparation of herbicidally active pyridinedicarboxamide compounds.
    Type: Grant
    Filed: September 11, 2001
    Date of Patent: January 27, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Gerhard Hamprecht, Olaf Menke, Michael Puhl, Robert Reinhard, Ingo Sagasser, Cyrill Zagar
  • 1-aryl-4-alkyl halide-2(1h)-pyridones and their use as herbicides
    Publication number: 20030216257
    Abstract: The use of 1-aryl-4-haloalkyl-2-[1H]-pyridones of the formula I 1
    Type: Application
    Filed: January 14, 2003
    Publication date: November 20, 2003
    Inventors: Ingo Sagasser, Olaf Menke, Gerhard Hamprecht, Michael Puhl, Robert Reinhard, Matthias Witschel, Cyrill Zagar, Helmut Walter
  • N-substituted perhydrodiazine
    Patent number: 6639070
    Abstract: N-substituted perhydro-2,3-diazines of the formula I in which the variables Z, R, m and RA are as defined in claim 1, a process for their preparation and the use of the compounds of the formula I as starting materials for preparing herbicides of the formula V in which R, RA, Z and m are as defined above, X is O or S and Q is a C6-C14-aromatic radical are described.
    Type: Grant
    Filed: December 17, 2001
    Date of Patent: October 28, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Gerhard Hamprecht, Michael Puhl, Olaf Menke, Robert Reinhard, Ingo Sagasser, Cyrill Zagar
  • 2-Phenyl-2h-pyridazine-3-ones
    Publication number: 20030162662
    Abstract: The invention relates to 2-phenyl-2H-pyridazin-3-ones of the general formula I 1
    Type: Application
    Filed: October 10, 2002
    Publication date: August 28, 2003
    Inventors: Michael Puhl, Thorsten Volk, Gerhard Hamprecht, Robert Reinhard, Ingo Sagasser, Cyrill Zagar, Matthias Witschel, Helmut Walter
  • 2-Phenyl-2h-pyridazine-3-ones
    Publication number: 20030130123
    Abstract: The invention relates to 2-phenyl-2H-pyridazin-3-ones of the general formula I 1
    Type: Application
    Filed: October 10, 2002
    Publication date: July 10, 2003
    Inventors: Michael Puhl, Thorsten Volk, Gerhard Hamprecht, Robert Reinhard, Ingo Sagasser, Cyrill Zagar, Karl-Otto Westphalen, Matthias Witschel, Helmut Walter
  • Method for producing 7-(pyrazole-3-yl) benzoxazoles
    Publication number: 20030050477
    Abstract: A process for preparing 7-(pyrazol-3-yl)benzoxazoles of the formula I 1
    Type: Application
    Filed: September 10, 2002
    Publication date: March 13, 2003
    Inventors: Cyrill Zagar, Robert Reinhard, Michael Puhl, Thorsten Volk, Norbert Gotz, Gerhard Hamprecht, Olaf Menke, Ingo Sagasser
  • Phenoxy-and thiophenoxy acrylic acid compounds as herbicides
    Patent number: 6528455
    Abstract: Phenoxy- and thiophenoxyacrylic acid compounds of the formula I in which Het, R1, R2, R3, V, W and Z are as defined in claim 1 and processes for their preparation, intermediates for their preparation, herbicidally active compositions comprising the compounds of the formula I and a method for controlling harmful fungi are described.
    Type: Grant
    Filed: June 5, 2002
    Date of Patent: March 4, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Gerhard Hamprecht, Michael Puhl, Robert Reinhard, Ingo Sagasser, Cyrill Zagar, Karl-Otto Westphalen, Matthias Witschel, Helmut Walter
  • Pharmaceutically active compounds, their preparation and use as ECE-inhibitors
    Patent number: 6469056
    Abstract: Pharmaceutically active compounds are prepared as described and used to produce pharmaceutical preparations for treating diseases.
    Type: Grant
    Filed: April 10, 2000
    Date of Patent: October 22, 2002
    Assignee: Abbott Laboratories
    Inventors: Michael Puhl, Johann-Christian Zechel, Klaus Ditrich, Heinz Hillen, Tanja Kohl, Melanie Erhardt, Stefan Hergenröder, Claus Otto Markert