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: 8541611
    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: Grant
    Filed: June 28, 2012
    Date of Patent: September 24, 2013
    Assignee: BASF Aktiengesellschaft
    Inventors: Gerhard Hamprecht, Michael Puhl, Bernd Wolf, Norbert Götz, Michael Keil, Robert Reinhard, Ingo Sagasser, Werner Seitz
  • Patent number: 8362026
    Abstract: The present invention relates to a crystalline form of 2-chloro-5-[3,6-dihydro-3-methyl-2,6-dioxo-4-(trifluoromethyl)-1-(2H)pyrimidinyl]-4-fluoro-N-[[methyl(1-methylethyl)-amino]sulfonyl]benzamide. The invention also relates to a process for the preparation of this crystalline form and to plant protection formulations which comprise this crystalline form of the phenyluracil.
    Type: Grant
    Filed: October 12, 2007
    Date of Patent: January 29, 2013
    Assignee: BASF SE
    Inventors: Thomas Schmidt, Joachim Gebhardt, Sandra Löhr, Michael Keil, Jan Hendrik Wevers, Peter Erk, Heidi Emilia Saxell, Gerhard Hamprecht, Werner Seitz, Guido Mayer, Bernd Wolf, Gerhard Cox, Alfred Michel, Cyrill Zagar, Robert Reinhard, Bernd Sievernich
  • Patent number: 8357695
    Abstract: The present invention relates to hydrates of 2-chloro-5-[3,6-dihydro-3-methyl-2,6-dioxo-4-(trifluoromethyl)-1-(2H)pyrimidinyl]-4-fluoro-N-[[methyl(1-methylethyl)amino]-sulfonyl]benzamide. The invention also relates to a process for the preparation of these hydrates and to plant protection formulations which comprise hydrates of the phenyluracil I.
    Type: Grant
    Filed: October 12, 2007
    Date of Patent: January 22, 2013
    Assignee: BASF SE
    Inventors: Thomas Schmidt, Joachim Gebhardt, Sandra Löhr, Michael Keil, Jan Hendrik Wevers, Peter Erk, Heidi Emilia Saxell, Gerhard Hamprecht, Guido Mayer, Bernd Wolf, Gerhard Cox, Alfred Michel, Werner Seitz, Cyrill Zagar, Robert Reinhard, Bernd Sievernich
  • Publication number: 20120271049
    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: June 28, 2012
    Publication date: October 25, 2012
    Applicant: BASF AKTIENGESELLSCHAFT
    Inventors: Gerhard Hamprecht, Michael Puhl, Bernd Wolf, Norbert Götz, Michael Keil, Robert Reinhard, Ingo Sagasser, Werner Seitz
  • Patent number: 8232421
    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: Grant
    Filed: September 21, 2010
    Date of Patent: July 31, 2012
    Assignee: BASF Aktiengesellschaft
    Inventors: Gerhard Hamprecht, Michael Puhl, Bernd Wolf, Norbert Götz, Michael Keil, Robert Reinhard, Ingo Sagasser, Werner Seitz
  • Publication number: 20110009640
    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: September 21, 2010
    Publication date: January 13, 2011
    Applicant: BASF AKTIENGESELLSCHAFT
    Inventors: Gerhard Hamprecht, Michael Puhl, Bernd Wolf, Norbert Götz, Michael Keil, Robert Reinhard, Ingo Sagasser, Werner Seitz
  • Patent number: 7820846
    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: Grant
    Filed: October 29, 2003
    Date of Patent: October 26, 2010
    Assignee: BASF Aktiengesellschaft
    Inventors: Gerhard Hamprecht, Michael Puhl, Bernd Wolf, Norbert Götz, Michael Keil, Robert Reinhard, Ingo Sagasser, Werner Seitz
  • Patent number: 7767624
    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: Grant
    Filed: July 22, 2003
    Date of Patent: August 3, 2010
    Assignee: BASF Aktiengesellschaft
    Inventors: Michael Puhl, Gerhard Hamprecht, Robert Reinhard, Ingo Sagasser, Werner Seitz, Cyrill Zagar, Matthias Witschel, Andreas Landes
  • Patent number: 7741485
    Abstract: The invention relates to benzenesulphonamide derivatives of formula (I), methods and intermediate products for production thereof and use of said compounds, or means comprising said compounds for the control of undesired plants and for the desiccation/defoliation of plants.
    Type: Grant
    Filed: April 6, 2004
    Date of Patent: June 22, 2010
    Assignee: BASF Aktiengesellschaft
    Inventors: Gerhard Hamprecht, Michael Puhl, Robert Reinhard, Werner Seitz, Cyrill Zagar, Matthias Witschel, Andreas Landes
  • Patent number: 7737275
    Abstract: A process is described for preparing 3-phenyl(thio)uracils or 3-phenyldithiouracils of the formula I, by reacting a phenyl iso(thio)cyanate of the formula II with an enamine of the formula III and, if appropriate, in a further step, the resulting 3-phenyl(thio)uracil or 3-phenyldithiouracil of the formula I where R1=R1a, when R1=hydrogen, is reacted with an aminating agent of the formula IV to give 3-phenyl(thio)uracils or 3-phenyldithiouracils of the formula I where R1=amino where the variables R1, R1a, R2, R3, R4, X1, X2, X3, Ar, A and L1 are each as defined in claim 1.
    Type: Grant
    Filed: December 1, 2004
    Date of Patent: June 15, 2010
    Assignee: BASF Aktiengesellschaft
    Inventors: Gerhard Hamprecht, Michael Puhl, Bernd Wolf, Michael Keil, Robert Reinhard, Werner Seitz, Guido Mayer
  • Publication number: 20100105562
    Abstract: The present invention relates to a crystalline form of 2-chloro-5-[3,6-dihydro-3-methyl-2,6-dioxo-4-(trifluoromethyl)-1-(2H)pyrimidinyl]-4-fluoro-N-[[methyl(1-methylethyl)-amino]sulfonyl]benzamide. The invention also relates to a process for the preparation of this crystalline form and to plant protection formulations which comprise this crystalline form of the phenyluracil.
    Type: Application
    Filed: October 12, 2007
    Publication date: April 29, 2010
    Inventors: Thomas Schmidt, Joachim Gebhardt, Sandra Löhr, Michael Keil, Jan Hendrik Wevers, Peter Erk, Heidi Emilia, Gerhard Hamprecht, Werner Seitz, Guido Mayer, Bernd Wolf, Gerhard Cox, Alfred Michel, Cyrill Zagar, Robert Reinhard, Bernd Sievernich
  • Patent number: 7687435
    Abstract: The present invention relates to benzoyl-substituted phenylalanineamides of the formula I in which the variables R1 to R15 are as defined in the description, and to their agriculturally useful salts, to processes and intermediates for their preparation and to the use of these compounds or of compositions comprising these compounds for controlling unwanted plants.
    Type: Grant
    Filed: December 17, 2004
    Date of Patent: March 30, 2010
    Assignee: BASF Aktiengesellschaft
    Inventors: Matthias Witschel, Michael Puhl, Gerhard Hamprecht, Liliana Parra Rapado, Ulf Misslitz, CyrilL Zagar, Peter Plath, Robert Reinhard, Bernd Sievernich, Rex Liebl
  • Publication number: 20100035905
    Abstract: The present invention relates to hydrates of 2-chloro-5-[3,6-dihydro-3-methyl-2,6-dioxo-4-(trifluoromethyl)-1-(2H)pyrimidinyl]-4-fluoro-N-[[methyl(1-methylethyl)amino]-sulfonyl]benzamide. The invention also relates to a process for the preparation of these hydrates and to plant protection formulations which comprise hydrates of the phenyluracil I.
    Type: Application
    Filed: October 12, 2007
    Publication date: February 11, 2010
    Inventors: Thomas Schmidt, Joachim Gebhardt, Sandra Löhr, Michael Keil, Jan Hendrik Wevers, Peter Erk, Heidi Emilia Saxell, Gerhard Hamprecht, Guido Mayer, Bernd Wolf, Gerhard Cox, Alfred Michel, Werner Seitz, Cyrill Zagar, Robert Reinhard, Bernd Sievernich
  • Patent number: 7355053
    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: Grant
    Filed: October 17, 2003
    Date of Patent: April 8, 2008
    Assignee: BASF Aktiengesellschaft
    Inventors: Robert Reinhard, Gerhard Hamprecht, Michael Puhl, Werner Seitz, Liliana Parra Rapado, Annegret Scannell-Lansky, Klaus Groβmann, Helmut Schiffer, Matthias Witschel, Cyrill Zagar, Andreas Landes, Michael Rack
  • Publication number: 20070142230
    Abstract: The present invention relates to benzoyl-substituted phenylalanineamides of the formula I in which the variables R1 to R15 are as defined in the description, and to their agriculturally useful salts, to processes and intermediates for their preparation and to the use of these compounds or of compositions comprising these compounds for controlling unwanted plants.
    Type: Application
    Filed: December 17, 2004
    Publication date: June 21, 2007
    Applicant: BASF AKTIENGESELLSCHAFT
    Inventors: Matthias Witschel, Michael Puhl, Gerhard Hamprecht, Liliana Rapado, Ulf Missblitz, Cyrill Zagar, Peter Plath, Robert Reinhard, Bernd Sievernich, Rex Liebl
  • Patent number: 7232926
    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 A1 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: Grant
    Filed: May 15, 2003
    Date of Patent: June 19, 2007
    Assignee: BASF Aktiengesellschaft
    Inventors: Gerhard Hamprecht, Michael Puhl, Robert Reinhard, Ingo Sagasser, Thomas Schmidt, Norbert Götz, Thomas Zierke
  • Publication number: 20060293520
    Abstract: A process is described for preparing 3-phenyl(thio)uracils or 3-phenyldithiouracils of the formula I, by reacting a phenyl iso(thio)cyanate of the formula II with an enamine of the formula III and, if appropriate, in a further step, the resulting 3-phenyl(thio)uracil or 3-phenyldithiouracil of the formula I where R1=R1a, when R1=hydrogen, is reacted with an aminating agent of the formula IV to give 3-phenyl(thio)uracils or 3-phenyldithiouracils of the formula I where R1=amino where the variables R1, R1a, R2, R3, R4, X1, X2, X3, Ar, A and L1 are each as defined in claim 1.
    Type: Application
    Filed: December 1, 2004
    Publication date: December 28, 2006
    Applicant: BASF AKTIENGESELLSCHAFT
    Inventors: Gerhard Hamprecht, Michael Puhl, Bernd Wolf, Michael Keil, Robert Reinhard, Werner Steitz, Guido Mayer
  • Publication number: 20060211577
    Abstract: The present invention relates to benzenesulfonamide derivatives of the formula I in which the variables are as defined below: X1 is hydrogen or halogen; X2 is hydrogen, cyano, CS—NH2, halogen, alkyl or haloalkyl; X3 is hydrogen, cyano, alkyl, alkoxyalkyl, cycloalkyl, alkenyl, alkynyl or phenylalkyl, where the phenyl radical for its part may be substituted; Y is a group —C(A)B, SO2 or SO2NR2; A is oxygen or sulfur; B is oxygen, sulfur, NR2 or a bond; R1 is hydrogen, halogen, hydroxy, alkyl, cycloalkyl, cycloalkylalkyl, alkenyl, cycloalkenyl, alkynyl, alkoxy, cycloalkyloxy, alkenyloxy, alkynyloxy, aryl, aryloxy, arylalkyl, where the 13 last mentioned radicals for their part may be substituted; unsubstituted or substituted four- to six-membered heterocyclyl; unsubstituted or substituted four- to six-membered heterocyclyl-C1-C4-alkyl; unsubstituted or substituted five- or six-membered heteroaryl having one to four nitrogen atoms or having one to three nitrogen atoms and one oxygen or one sulfur atom
    Type: Application
    Filed: April 6, 2004
    Publication date: September 21, 2006
    Applicant: BASF AKTIENGESELLSCHAFT
    Inventors: Gerhard Hamprecht, Michael Puhl, Robert Reinhard, Werner Seitz, Cyrill Zagar, Matthias Witschel, Andreas Landes
  • 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
  • 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