Patents by Inventor Peter Hofmeister

Peter Hofmeister 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: 6465394
    Abstract: The invention provides novel mixtures of quaternary ammonium salts having plant growth-regulating properties. The salts, as well as other active ingredients used to regulate plant growth, are dissolved in solvents having either formula II(a) or II(b), as depicted below: wherein “R” is Hydrogen or a C1-C16 alkyl, “n” is 0, 1, 2 or 3, “A” is a C1-C6 alkene or a C1-C6 oxyalkylene, “m” is 1, 2, 3, 4 or 5, and “B” is a straight-chain or branched C2-C8 alkylene.
    Type: Grant
    Filed: November 20, 2001
    Date of Patent: October 15, 2002
    Assignee: BASF Aktiengesellschaft
    Inventors: Reiner Kober, Karl Heinrich Schneider, Hans Ziegler, Mary Elizabeth Callan, Charles W. Finch, Reinhold Stadler, Peter Hofmeister, Wilhelm Rademacher, Elmar Kibler, Reimer Göttsche
  • Publication number: 20020061821
    Abstract: The invention provides novel mixtures of quaternary ammonium salts having plant growth-regulating properties.
    Type: Application
    Filed: November 20, 2001
    Publication date: May 23, 2002
    Applicant: BASF Aktiengesellschaft
    Inventors: Reiner Kober, Karl Heinrich Schneider, Hans Ziegler, Mary Elizabeth Callan, Charles W. Finch, Reinhold Stadler, Peter Hofmeister, Wilhelm Rademacher, Elmar Kibler, Reimer Gottsche
  • Patent number: 6376425
    Abstract: The invention provides novel mixtures of quaternary ammonium salts having plant growth-regulating properties. The salts, as well as other active ingredients used to regulate plant growth, are dissolved in solvents having either formula II(a) or II(b), as depicted below: or wherein “R” is Hydrogen or a C1-C18 alkyl, “n” is 0, 1,2 or 3, “A” is a C1-C6 alkene or a C1-C6 oxyalkylene, “m” is 1, 2, 3, 4 or 5, and “B” is a straight-chain or branched C2-C8 alkylene.
    Type: Grant
    Filed: October 20, 1998
    Date of Patent: April 23, 2002
    Assignee: BASF Aktiengesellschaft
    Inventors: Reiner Kober, Karl-Heinrich Schneider, Hans Ziegler, Mary Elizabeth Callan, Charles W. Finch, Reinhold Stadler, Peter Hofmeister, Wilhelm Rademacher, Elmar Kibler, Reimer Göttsche
  • Patent number: 5972915
    Abstract: A pesticide comprising an active ingredient combination consisting ofa) tetrahydro-3,5-dimethyl-1,3,5-thiadiazine-2-thione of the formula ##STR1## and b) O-(O-ethyl-S-n-propylphosphoryl)-O-(N-methylcarbamoyl)pyrocatechol of the formula ##STR2## and/or c) O-ethyl S,S-dipropyl phosphorodithioate of the formula ##STR3## and/or d) 2-methyl-2-methylthiopropionaldehyde O-methylcarbamoyloxime of the formula ##STR4## and/or e) N,N-dimethyl-2-methylcarbamoyloximino-2-methylthioacetamide of the formula ##STR5## and/or f) ethyl-4-methylthio-m-tolylisopropylphosphoramide of the formula ##STR6## and/or g) (RS)-S-sec-butyl O-ethyl 2-oxo-1,3-thiazolidin-3-ylphosphono-thioate of the formula ##STR7## and/or h) 2,3-dihydro-2,2-dimethylbenzofuran-7-yl methylcarbamate of the formula ##STR8## and/or i) S-tert-butylthiomethyl O,O-diethyl phosphorodithioate of the formula ##STR9## and/or j) S,S-di-sec-butyl O-ethyl phosphorodithioate of the formula ##STR10## and/or k) (RS)-O-1-(4-chlorophenyl)pyrazol-4-yl O-ethyl S-propyl phosphoro
    Type: Grant
    Filed: October 9, 1997
    Date of Patent: October 26, 1999
    Assignee: BASF Aktiengesellschaft
    Inventors: Peter Hofmeister, Ulrich Neumann, Volker Harries, Jurgen von der Heyde, Manfred Schroeder, Jorn Tidow, Matthias Bratz, Karl-Friedrich Jager
  • Patent number: 5541185
    Abstract: 3(2H)-Pyridazinone derivatives of the general formula I ##STR1## where R.sup.1 is alkyl, R.sup.2 is hydrogen or alkyl, X is halogen, W is oxygen or sulfur and Z is a hetaryl-substituted isoxazolyl radical or a substituted or unsubstituted cyclohexyl or cyclopentyl radical, plant-tolerated salts thereof, processes for their manufacture, and their use as pesticides.
    Type: Grant
    Filed: January 6, 1995
    Date of Patent: July 30, 1996
    Assignee: BASF Aktiengesellschaft
    Inventors: Joachim Leyendecker, Hans Theobald, Thomas Kuekenhoehner, Peter Hofmeister, Christoph Kuenast, Norbert Goetz
  • Patent number: 5416100
    Abstract: Phenoxyalkyl-substituted heteroaromatics of the formula Ib ##STR1## where A is an unsubstituted or substituted pyridyl radical, R.sup.1 is hydrogen, halogen or C.sub.1 -C.sub.3 -alkyl, R.sup.2 is hydrogen or C.sub.1 -C.sub.4 -alkyl, and Q.sub.b is a substituted or unsubstituted heteroaromatic radical which has a five-membered ring and their use for combatting pests.
    Type: Grant
    Filed: December 7, 1993
    Date of Patent: May 16, 1995
    Assignee: BASF Aktiengesellschaft
    Inventors: Joachim Leyendecker, Hans-Juergen Neubauer, Uwe Kardorff, Christoph Kuenasi, Peter Hofmeister, Wolfgang Krieg
  • Patent number: 5374642
    Abstract: Hydroquinone diethers of the general formula I ##STR1## where R.sup.1 is hydrogen, halogen or C.sub.1 -C.sub.6 -alkyl, A and B are each unsubstituted or substituted methylene, ethylene or propylene and X and Y are each unsubstituted or substituted hetaryl, processes for their preparation and pesticides.
    Type: Grant
    Filed: March 22, 1993
    Date of Patent: December 20, 1994
    Assignee: BASF Aktiengesellschaft
    Inventors: Uwe Kardorff, Christoph Nuebling, Hans Theobald, Thomas Kuekenhoehner, Hans-Juergen Neubauer, Joachim Leyendecker, Christoph Kuenast, Peter Hofmeister, Wolfgang Krieg
  • Patent number: 5366984
    Abstract: Methyl .alpha.-arylacrylates substituted by a heterocyclic radical and having the general formula ##STR1## where R is alkyl, alkenyl, haloalkyl, cycloalkyl, alkoxy, alkylcarbonyl, alkoxycarbonyl, halogen or aryl, the aromatic ring being unsubstituted or substituted, Het is a five-membered heteroaromatic ring which is unsubstituted or substituted and has from one to three heteroatoms, and A is ethenylene, ethylene, methyleneoxy or methylenethio, and fungicides and pesticides containing these compounds.
    Type: Grant
    Filed: December 3, 1993
    Date of Patent: November 22, 1994
    Assignee: BASF Aktiengesellschaft
    Inventors: Franz Schuetz, Hans-Juergen Neubauer, Thomas Kuekenhoehner, Ulrich Schirmer, Peter Hofmeister, Christoph Kuenast, Eberhard Ammermann, Gisela Lorenz, Uwe Kardorff
  • Patent number: 5342849
    Abstract: Phenoxyalkyl-substituted heteroaromatics of the formulae Ia and Ib ##STR1## where the substituents have the following meanings: R.sup.1 C.sub.1 -C.sub.12 -alkyl, C.sub.2 -C.sub.12 -alkenyl, C.sub.2 -C.sub.12 -alkynyl, C.sub.1 -C.sub.12 -haloalkyl,C.sub.2 -C.sub.12 -haloalkenyl, C.sub.2 -C.sub.12 -haloalkynyl, C.sub.3 -C.sub.12 -alkoxyalkyl,C.sub.3 -C.sub.8 -cycloalkyl, C.sub.4 -C.sub.12 -cycloalkylalkyl, C.sub.3 -C.sub.8 -halocycloalkyl,C.sub.4 -C.sub.12 -halocycloalkylalkyl, C.sub.4 -C.sub.12 -cycloalkylhaloalkyl orC.sub.4 -C.sub.12 -halocycloalkylhaloalkyl;Z hydrogen, halogen, C.sub.1 -C.sub.8 -alkyl, C.sub.1 -C.sub.8 -alkoxy, C.sub.1 -C.sub.4 -haloalkyl, C.sub.1 -C.sub.4 -haloalkoxy, C.sub.3 -C.sub.10 -cycloalkyl, nitro or cyano in the case of Ia and hydrogen, halogen, or C.sub.1 -C.sub.4 -alkyl in the case of Ib;X O, S, SO.sub.2 ;Q.sub.a substituted or unsubstituted azole;Q.sub.b substituted or unsubstituted heteroaromatic;methods of manufacturing compounds Ia and Ib, and their use for combating pests.
    Type: Grant
    Filed: September 9, 1992
    Date of Patent: August 30, 1994
    Assignee: BASF Aktiengesellschaft
    Inventors: Joachim Leyendecker, Hans-Juergen Neubauer, Uwe Kardorff, Christoph Kuenast, Wolfgang Krieg, Peter Hofmeister
  • Patent number: 5300502
    Abstract: Phenoxyalkyl-substituted heteroaromatics of the general formulae Ia and Ib ##STR1## where A is an unsubstituted or substituted heteroaromatic radical having 6 5 ring members and 1, 2 or 3 nitrogen atoms in the ring, R.sup.1 is hydrogen, halogen or C.sub.1 -C.sub.3 -alkyl. R.sup.2 is hydrogen or C.sub.1 -C.sub.4 -alkyl. Q.sub.a is an unsubstituted or substituted azole radical and Q.sub.b is a substituted or unsubstituted heteroaromatic radical which has a five-membered ring,and their use for combating pests.
    Type: Grant
    Filed: July 8, 1993
    Date of Patent: April 5, 1994
    Assignee: BASF Aktiengesellschaft
    Inventors: Joachim Leyendecker, Hans-Juergen Neubauer, Uwe Kardorff, Christoph Kuenast, Peter Hofmeister, Wolfgang Krieg
  • Patent number: 5294628
    Abstract: Methyl .alpha.-arylacrylates substituted by a heterocyclic radical and having the general formula ##STR1## where R is alkyl, alkenyl, haloalkyl, cycloalkyl, alkoxy, alkylcarbonyl, alkoxycarbonyl, halogen or aryl, the aromatic ring being unsubstituted or substituted, Het is a five-membered heteroaromatic ring which is unsubstituted or substituted and has from one to three heteroatoms, and A is ethenylene, ethylene, methyleneoxy or methylenethio, and fungicides and pesticides containing these compounds.
    Type: Grant
    Filed: July 16, 1993
    Date of Patent: March 15, 1994
    Assignee: BASF Aktiengesellschaft
    Inventors: Franz Schuetz, Hans-Juergen Neubauer, Thomas Kuekenhoehner, Ulrich Schirmer, Peter Hofmeister, Christoph Kuenast, Eberhard Ammermann, Gisela Lorenz, Uwe Kardorff
  • Patent number: 5280036
    Abstract: N-substituted azoles of the formula I ##STR1## where R.sup.1, R.sup.2, R.sup.3 are each hydrogen, halogen, C.sub.1 -C.sub.8 -alkyl, C.sub.1 -C.sub.8 -alkoxy, C.sub.1 -C.sub.4 -haloalkyl, C.sub.1 -C.sub.4 -haloalkoxy, C.sub.3 -C.sub.10 -cycloalkyl, nitro or cyano,Q is an unsubstituted or substituted azole group of the formulae IIa-IIf ##STR2## R.sup.4 to R.sup.15 denoting hydrogen, halogen, C.sub.1 -C.sub.8 -alkyl, C.sub.1 -C.sub.4 -haloalkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.3 -C.sub.10 -cycloalkyl or aryl which is unsubstituted or mono-, di- or trisubstituted by halogen, C.sub.1 -C.sub.8 -alkyl, C.sub.1 -C.sub.8 -alkoxy, C.sub.1 -C.sub.4 -haloalkyl or C.sub.1 -C.sub.4 -haloalkoxy, andX is, in the case of the azole group IIa, --CH.sub.2 -- or --O(CH.sub.2).sub.n --, n being one of the integers 1, 2 or 3, or, in the case of the azole groups IIb-IIf, --OCH.sub.2 --,pesticides containing compounds I as active ingredients, and a process for combating pests.
    Type: Grant
    Filed: November 9, 1992
    Date of Patent: January 18, 1994
    Assignee: BASF Aktiengesellschaft
    Inventors: Rainer Buerstinghaus, Hans-Juergen Neubauer, Peter Hofmeister, Christoph Kuenast, Joachim Leyendecker, Uwe Kardorff
  • Patent number: 5264434
    Abstract: Phenoxyalkyl-substituted heteroaromatics of the general formulae Ia and Ib ##STR1## where A is an unsubstituted or substituted heteroaromatic radical having 6 ring members and 1, 2 or 3 nitrogen atoms in the ring, R.sup.1 is hydrogen, halogen or C.sub.1 -C.sub.3 -alkyl, R.sup.2 is hydrogen or C.sub.1 -C.sub.4 -alkyl, Q.sub.a is an unsubstituted or substituted azole radical and Q.sub.b is a substituted or unsubstituted heteroaromatic radical which has a five-membered ring, and their use for combating pests.
    Type: Grant
    Filed: August 19, 1992
    Date of Patent: November 23, 1993
    Assignee: BASF Aktiengesellschaft
    Inventors: Joachim Leyendecker, Hans-Juergen Neubauer, Uwe Kardorff, Christoph Kuenast, Peter Hofmeister, Wolfgang Krieg
  • Patent number: 5250553
    Abstract: Methyl .alpha.-arylacrylates substituted by a heterocyclic radical and having the general formula ##STR1## where R is alkyl, alkenyl, haloalkyl, cycloalkyl, alkoxy, alkylcarbonyl, alkoxycarbonyl, halogen or aryl, the aromatic ring being unsubstituted or substituted, Het is a five-membered heteroaromatic ring which is unsubstituted or substituted and has from one to three heteroatoms, and A is ethenylene, ethylene, methyleneoxy or methylenethio, and fungicides and pesticides containing these compounds.
    Type: Grant
    Filed: July 30, 1992
    Date of Patent: October 5, 1993
    Assignee: BASF Aktiengesellschaft
    Inventors: Franz Schuetz, Hans-Juergen Neubauer, Thomas Kuekenhoehner, Ulrich Schirmer, Peter Hofmeister, Christoph Kuenast, Eberhard Ammermann, Gisela Lorenz, Uwe Kardorff
  • Patent number: 5214064
    Abstract: N-substituted azoles of the formula I ##STR1## where R.sup.1, R.sup.2, R.sup.3 are each hydrogen, halogen, C.sub.1 -C.sub.8 -alkyl, C.sub.1 -C.sub.8 -alkoxy, C.sub.1 -C.sub.4 -haloalkyl, C.sub.1 -C.sub.4 -haloalkoxy, C.sub.3 -C.sub.10 -cycloalkyl, nitro or cyano,Q is an unsubstituted or substituted azole group of the formulae IIa-IIf ##STR2## R.sup.4 to R.sup.15 denoting hydrogen, halogen, C.sub.1 -C.sub.8 -alkyl, C.sub.1 -C.sub.4 -haloalkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.3 -C.sub.10 -cycloalkyl or aryl which is unsubstituted or mono-, di- or trisubstituted by halogen, C.sub.1 -C.sub.8 -alkyl, C.sub.1 -C.sub.8 -alkoxy, C.sub.1 -C.sub.4 -haloalkyl or C.sub.1 -C.sub.4 -haloalkoxy, andX is, in the case of the azole group IIa, --CH.sub.2 -- or --O(CH.sub.2).sub.n --, n being one of the integers 1, 2 or 3, or, in the case of the azole groups IIb-IIf,pesticides containing compounds I as active ingredients, and a process for combating pests.
    Type: Grant
    Filed: January 14, 1992
    Date of Patent: May 25, 1993
    Assignee: BASF Aktiengesellschaft
    Inventors: Rainer Buerstinghaus, Hans-Juergen Neubauer, Peter Hofmeister, Christoph Kuenast, Joachim Leyendecker, Uwe Kardorff
  • Patent number: 5212194
    Abstract: Phenoxyalkyl-substituted heteroaromatics of the formulae Ia and Ib ##STR1## where the substituents have the following meanings: R.sup.1 C.sub.1 -C.sub.12 -alkyl, C.sub.2 -C.sub.12 -alkenyl, C.sub.2 -C.sub.12 -alkynyl, C.sub.1 -C.sub.12 -haloalkyl, C.sub.2 -C.sub.12 -haloalkenyl, C.sub.2 -C.sub.12 -haloalkynyl, C.sub.3 -C.sub.12 -alkoxyalkyl, C.sub.3 -C.sub.8 -cycloalkyl, C.sub.4 -C.sub.12 -cycloalkylalkyl, C.sub.3 -C.sub.8 -halocycloalkyl, C.sub.4 -C.sub.12 -halocycloalkylalkyl, C.sub.4 -C.sub.12 -cycloalkylhaloalkyl or C.sub.4 -C.sub.12 -halocycloalkylhaloalkyl;Z hydrogen, halogen, C.sub.1 -C.sub.8 -alkyl, C.sub.1 -C.sub.8 -alkoxy, C.sub.1 -C.sub.4 -haloalkyl, C.sub.1 -C.sub.4 -haloalkoxy, C.sub.3 -C.sub.10 -cycloalkyl, nitro or cyano in the case of Ia and hydrogen, halogen, or C.sub.1 -C.sub.4 -alkyl in the case of Ib;X O, S, SO.sub.2 ;Q.sub.a substituted or unsubstituted azole;Q.sub.
    Type: Grant
    Filed: February 20, 1991
    Date of Patent: May 18, 1993
    Assignee: BASF Aktiengesellschaft
    Inventors: Joachim Leyendecker, Hans-Juergen Neubauer, Uwe Kardorff, Christoph Kuenast, Wolfgang Krieg, Peter Hofmeister
  • Patent number: 5187182
    Abstract: N-substituted azoles of the formula I ##STR1## where R.sup.1,R.sup.2, R.sup.3 are each hydrogen, halogen, C.sub.1 -C.sub.8 -alkyl, C.sub.1 -C.sub.8 -alkoxy, C.sub.1 -C.sub.4 -haloalkyl, C.sub.1 -C.sub.4 -haloalkoxy, C.sub.3 -C.sub.10 -cycloalkyl, nitro or cyano,Q is an unsubstituted or substituted azole group of the formulae IIa-IIf ##STR2## R.sup.4 to R.sup.15 denoting hydrogen, halogen, C.sub.1 -C.sub.8 -alkyl, C.sub.1 -C.sub.4 -haloalkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.3 -C.sub.10 -cycloalkyl or aryl which is unsubstituted or mono-, di- or trisubstituted by halogen, C.sub.1 -C.sub.8 -alkyl, C.sub.1 -C.sub.8 -alkoxy, C.sub.1 -C.sub.4 -haloalkyl or C.sub.1 -C.sub.4 -haloalkoxy, andX is, in the case of the azole group IIa, --CH.sub.2 -- or --O(CH.sub.2).sub.n --, n being one of the integers 1, 2 or 3, or, in the case of the azole groups IIb-IIf, --OCH.sub.2 --,pesticides containing compounds I as active ingredients, and a process for combating pests.
    Type: Grant
    Filed: March 12, 1992
    Date of Patent: February 16, 1993
    Assignee: BASF Aktiengesellschaft
    Inventors: Rainer Buerstinghaus, Hans-Juergen Neubauer, Peter Hofmeister, Christoph Kuenast, Joachim Leyendecker, Uwe Kardorff
  • Patent number: 5185359
    Abstract: N-substituted azoles of the formula I ##STR1## where R.sup.1, R.sup.2, R.sup.3 are each hydrogen, halogen, C.sub.1 -C.sub.8 -alkyl, C.sub.1 -C.sub.8 -alkoxy, C.sub.1 -C.sub.4 -haloalkyl, C.sub.1 -C.sub.4 -haloalkoxy, C.sub.3 -C.sub.10 -cycloalkyl, nitro or cyano,Q is an unsubstituted or substituted azole group of the formulae IIa-IIf ##STR2## R.sup.4 to R.sup.15 denoting hydrogen, halogen, C.sub.1 -C.sub.8 -alkyl, C.sub.1 -C.sub.4 -haloalkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.3 -C.sub.10 -cycloalkyl or aryl which is unsubstituted or mono-, di- or trisubstituted by halogen, C.sub.1 -C.sub.8 -alkyl, C.sub.1 -C.sub.8 -alkoxy, C.sub.1 -C.sub.4 -haloalkyl or C.sub.1 -C.sub.4 -haloalkoxy, andX is, in the case of the azole group IIa, --CH.sub.2 -- or --O(CH.sub.2).sub.n --, n being one of the integers 1, 2 or 3, or, in the case of the azole groups IIb-IIf, --OCH.sub.2 --,pesticides containing compounds I as active ingredients, and a process for combating pests.
    Type: Grant
    Filed: March 11, 1992
    Date of Patent: February 9, 1993
    Assignee: BASF Aktiengesellschaft
    Inventors: Rainer Buerstinghaus, Hans-Juergen Neubauer, Peter Hofmeister, Christoph Kuenast, Joachim Leyendecker, Uwe Kardorff
  • Patent number: 5180727
    Abstract: Phenoxyalkyl-substituted heteroaromatics of the general formulae Ia and Ib ##STR1## where A is an unsubstituted or substituted heteroaromatic radical having 6 ring members and 1, 2 or 3 nitrogen atoms in the ring, R.sup.1 is hydrogen, halogen or C.sub.1 -C.sub.3 -alkyl, R.sup.2 is hydrogen or C.sub.1 -C.sub.4 -alkyl, Q.sub.a is an unsubstituted or substituted azole radical and Q.sub.b is a substituted or unsubstituted heteroaromatic radical which has a five-menbered ring, and their use for combating pests.
    Type: Grant
    Filed: February 13, 1992
    Date of Patent: January 19, 1993
    Assignee: BASF Aktiengesellschaft
    Inventors: Joachim Leyendecker, Hans-Juergen Neubauer, Uwe Kardorff, Christoph Kuenast, Peter Hofmeister, Wolfgang Krieg
  • Patent number: D332272
    Type: Grant
    Filed: March 9, 1990
    Date of Patent: January 5, 1993
    Assignee: Dr. Johannes Heidenhain GmbH
    Inventors: Walter Miller, Peter Hofmeister