Patents by Inventor Detlef Wollweber

Detlef Wollweber 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: 7417150
    Abstract: The present application relates to novel heterocyclic compounds, to processes for their preparation, and to their use as crop protection agents, particularly for controlling animal pests.
    Type: Grant
    Filed: April 10, 2002
    Date of Patent: August 26, 2008
    Assignee: Bayer CropScience AG
    Inventors: Peter Jeschke, Michael Beck, Wolfgang Krämer, Detlef Wollweber, Angelika Lubos-Erdelen, legal representative, Andreas Turberg, Olaf Hansen, Hans-Dieter Martin, Piet Sauer, Christoph Erdelen
  • Patent number: 7001903
    Abstract: The invention relates to insecticidal mixtures of spinosyns and agonists or antagonists of nicotinic acetylcholine receptors for protecting plants against attack by pests.
    Type: Grant
    Filed: December 12, 2003
    Date of Patent: February 21, 2006
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfram Andersch, Hans-Jürgen Schnorbach, Detlef Wollweber
  • Publication number: 20050009839
    Abstract: The present application relates to novel heterocyclic compounds, to processes for their preparation, and to their use as crop protection agents, particularly for controlling animal pests.
    Type: Application
    Filed: April 10, 2002
    Publication date: January 13, 2005
    Inventors: Peter Jeshcke, Michael Beck, Wolfgang Kramer, Detlef Wollweber, Christoph Erdelen, Angelika Lubos-Erdelen, Andreas Turberg, Olaf Hansen, Hans-Dieter Martin, Piet Sauer
  • Patent number: 6838462
    Abstract: The present invention relates to novel heterocyclic compounds of formula (I) where A, R1, R2, Y, Z, and n are defined in the disclosure, to processes for their preparation, and to their use as crop protection agents, in particular for controlling animal pests.
    Type: Grant
    Filed: April 16, 2002
    Date of Patent: January 4, 2005
    Assignee: Bayer CropScience LP
    Inventors: Peter Jeschke, Michael Beck, Wolfgang Krämer, Detlef Wollweber, Angelika Lubos-Erdelen, Andreas Turberg, Olaf Hansen, Hans-Dieter Martin, Piet Sauer, Christoph Erdelen
  • Publication number: 20040209896
    Abstract: The present application relates to novel heterocyclic compounds of formula (I) 1
    Type: Application
    Filed: May 3, 2004
    Publication date: October 21, 2004
    Inventors: Peter Jeschke, Michael Beck, Wolfgang Kramer, Detlef Wollweber, Christoph Erdelen, Andreas Turberg, Olaf Hansen, Hans-Dieter Martin, Piet Sauer, Angelika Lubos-Erdelen
  • Publication number: 20040127520
    Abstract: The invention relates to insecticidal mixtures of spinosyns and agonists or antagonists of nicotinic acetylcholine receptors for protecting plants against attack by pests.
    Type: Application
    Filed: December 12, 2003
    Publication date: July 1, 2004
    Inventors: Wolfram Andersch, Hans-Jurgen Schnorbach, Detlef Wollweber
  • Patent number: 6686387
    Abstract: The invention relates to insecticidal mixtures of spinosyns and agonists or antagonists of nicotinic acetylcholine receptors for protecting plants against attack by pests.
    Type: Grant
    Filed: July 17, 2002
    Date of Patent: February 3, 2004
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfram Andersch, Hans-Jürgen Schnorbach, Detlef Wollweber
  • Publication number: 20030092641
    Abstract: The invention relates to insecticidal mixtures of spinosyns and agonists or antagonists of nicotinic acetylcholine receptors for protecting plants against attack by pests.
    Type: Application
    Filed: July 17, 2002
    Publication date: May 15, 2003
    Inventors: Wolfram Andersch, Hans-Jurgen Schnorbach, Detlef Wollweber
  • Patent number: 6528651
    Abstract: The present invention relates to a process for the preparation of compounds of the formula (I) by reacting compounds of the formula (II) in which Het, R1, R2 and R4 are as defined in the description, with anhydrous hydrogen chloride or compounds which generate hydrogen chloride.
    Type: Grant
    Filed: June 14, 2002
    Date of Patent: March 4, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Kai van Laak, Wolfram Sirges, Detlef Wollweber
  • Patent number: 6444667
    Abstract: The invention relates to insecticidal mixtures of spinosyns and agonists or antagonists of nicotinic acetylcholine receptors for protecting plants against attack by pests.
    Type: Grant
    Filed: November 17, 2000
    Date of Patent: September 3, 2002
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfram Andersch, Hans-Jürgen Schnorbach, Detlef Wollweber
  • Patent number: 6297195
    Abstract: The invention concerns novel substituted triazoloazine sulphonamides of formula (I) in which Q1 stands for nitrogen or a CH group: Q2 stands for nitrogen or a CH group; R1 stands for hydrogen or halogen, or for C1-C4 alkyl, C1-C4 alkoxy, C1-C4 alkylthio, C1-C4 alkylamino or di(C1-C4 alkyl)amino, in each case optionally substituted by hydroxy, halogen or C1-C4 alkoxy; R2 stands for hydrogen or halogen, or for C1-C4 alkyl, C1-C4 alkoxy, C1-C4 alkylthio, C1-C4 alkylamino or di(C1-C4 alkyl)amino, in each case optionally substituted by halogen; and Ar stands for 4-cyano-2,5-difluoro-phenyl, 2,6-dimethoxy-phenyl, 2-bromo-3-trifluoro-methyl-phenyl, 2-bromo-5-trifluoromethyl-phenyl, 6-chloro-pyridine-3-yl-methyl or one of the 5- or 6-member (hetero)cyclic groups mentioned in the description. The invention also concerns salts of these substances, a process for preparing the novel compounds, and their use as plant-treatment agents.
    Type: Grant
    Filed: May 10, 1999
    Date of Patent: October 2, 2001
    Assignee: Bayer Aktiengesellschaft
    Inventors: Ernst Rudolf F. Gesing, Mark Wilhelm Drewes, Johannes R. Jansen, Rolf Kirsten, Joachim Kluth, Klaus-Helmut Müller, Ulrich Philipp, Hans-Jochem Riebel, Otto Schallner, Detlef Wollweber, Markus Dollinger, Klaus Stenzel, Christoph Erdelen
  • Patent number: 6194575
    Abstract: The present invention relates to a process for the preparation of compounds of the formula (I) by reacting compounds of the formula (II) in which Het, R1, R2 and R4 are as defined in the description, with urea.
    Type: Grant
    Filed: September 21, 1999
    Date of Patent: February 27, 2001
    Assignee: Bayer Aktiengesellschaft
    Inventors: Detlef Wollweber, Wolfgang Krämer, Eric Rivadeneira
  • Patent number: 6177431
    Abstract: The present invention relates to novel tetrahydropyrimidine derivatives of the formula (I) in which A represents one of the groupings (Ia) —(CH2)m—COXR1 or (Ib) Het represents a five- or six-membered heterocyclic grouping which contains 1, 2, 3 or 4 nitrogen atoms and/or one or two oxygen or sulphur atoms as hetero atom ring members—the number of the ring hetero atoms being 1, 2, 3 or 4—and which is optionally substituted by halogen, cyano, nitro, alkyl, halogenoalkyl, alkenyl, halogenoalkenyl, alkinyl, alkoxy, halogenoalkoxy, alkenyloxy, halogenoalkenyloxy, alkinyloxy, alkylthio, halogenoalkylthio, alkenylthio, halogenoalkenylthio, alkinylthio, alkylsulphinyl, halogenoalkylsulphinyl, alkylsulphonyl, halogenoalkylsulphonyl, amino, alkylamino, dialkylamino, aryl, aryloxy, arylthio, arylamino, aralkyl, formylamino, alkylcarbonylamino, formyl, carbamoyl, alkylcarbonyl and/or alkoxycarbonyl. For other substituents see specification.
    Type: Grant
    Filed: August 28, 1998
    Date of Patent: January 23, 2001
    Assignee: Bayer Aktiengesellschaft
    Inventors: Johannes Kanellakopulos, Detlef Wollweber, Christoph Erdelen
  • Patent number: 5516786
    Abstract: Combating fungi with substituted amine acid derivatives of the formula ##STR1## in which R.sup.1 represents alkyl, alkenyl, alkinyl, halogenoalkyl, halogenoalkenyl, halogenoalkinyl, cycloalkyl or cycloalkenyl,R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are identical or different and represent hydrogen, cycloalkyl or alkyl, orR.sup.3 and R.sup.4, together with the carbon atom to which they are bonded, form a cycloalkyl ring, andR.sup.6 represents hydrogen, alkyl, alkenyl, alkinyl, cyanoalkyl, unsubstituted or substituted phenylalkyl, unsubstituted or substituted phenyl or unsubstituted or substituted cycloalkyl, or represents unsubstituted or substituted heterocyclyl or heterocyclylalkyl,orR.sup.5 and R.sup.6, together with the nitrogen atom to which they are bonded, represent a heterocyclyl radical, which can contain further hetero atoms.
    Type: Grant
    Filed: November 21, 1994
    Date of Patent: May 14, 1996
    Assignee: Bayer Aktiengesellschaft
    Inventors: Detlef Wollweber, Thomas Seitz, Wilhelm Brandes
  • Patent number: 5453531
    Abstract: Fungicidal substituted valinamide derivatives of the formula ##STR1## in which R.sup.1 represents i-propyl or s-butyl, andR.sup.2 represents chlorine, methyl, ethyl or methoxy.
    Type: Grant
    Filed: October 7, 1993
    Date of Patent: September 26, 1995
    Assignee: Bayer Aktiengesellschaft
    Inventors: Thomas Seitz, Detlef Wollweber, Wilhelm Brandes, Heinz-Wilhelm Dehne
  • Patent number: 5411987
    Abstract: Combating fungi with substituted amine acid derivatives of the formula ##STR1## in which R.sup.1 represents alkyl, alkenyl, alkinyl, halogenoalkyl, halogenoalkenyl, halogenoalkinyl, cycloalkyl or cycloalkenyl,R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are identical or different and represent hydrogen, cycloalkyl or alkyl, orR.sup.3 and R.sup.4, together with the carbon atom to which they are bonded, form a cycloalkyl ring, andR.sup.6 represents hydrogen, alkyl, alkenyl, alkinyl, cyanoalkyl, unsubstituted or substituted phenylalkyl, unsubstituted or substituted phenyl or unsubstituted or substituted cycloalkyl, or represents unsubstituted or substituted heterocyclyl or heterocyclylalkyl,orR.sup.5 and R.sup.6, together with the nitrogen atom to which they are bonded, represent a heterocyclyl radical, which can contain further hetero atoms.
    Type: Grant
    Filed: February 25, 1993
    Date of Patent: May 2, 1995
    Assignee: Bayer Aktiengesellschaft
    Inventors: Detlef Wollweber, Thomas Seitz, Wilhelm Brandes
  • Patent number: 5210084
    Abstract: Combating fungi with substituted amine acid derivatives of the formula ##STR1## in which R.sup.1 represents alkyl, alkenyl, alkinyl, halogenoalkyl, halogenoalkenyl, halogenoalkinyl, cycloalkyl or cycloalkenyl,R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are identical or different and represent hydrogen, cycloalkyl or alkyl, orR.sup.3 and R.sup.4, together with the carbon atom to which they are bonded, form a cycloalkyl ring, andR.sup.6 represents hydrogen, alkyl, alkenyl, alkinyl, cyanoalkyl, unsubstituted or substituted phenylalkyl, unsubstituted or substituted phenyl or unsubstituted or substituted cycloalkyl, or represents unsubstituted or substituted heterocyclyl or heterocyclylalkyl, orR.sup.5 and R.sup.6, together with the nitrogen atom to which they are bonded, represent a heterocyclyl radical, which can contain further hetero atoms.
    Type: Grant
    Filed: April 25, 1990
    Date of Patent: May 11, 1993
    Assignee: Bayer Aktiengesellschaft
    Inventors: Detlef Wollweber, Thomas Seitz, Wilhelm Brandes
  • Patent number: 5166395
    Abstract: Fungicidal 3-cyano-4-phenyl-pyrroles of the formula ##STR1## in which R.sup.1 represents chlorine, bromine, alkyl, halogenoalkyl or halogenoalkoxy,R.sup.2 represents chlorine, bromine, alkyl, halogenoalkyl or halogenoalkoxy andR.sup.3 represents hydrogen or fluorine,with the proviso that at least one of the radicals R.sup.1 or R.sup.2 represents halogenoalkyl.
    Type: Grant
    Filed: September 13, 1991
    Date of Patent: November 24, 1992
    Assignee: Bayer Aktiengesellschaft
    Inventors: Detlef Wollweber, Wilhelm Brandes, Stefan Dutzmann, Gerd Hanssler
  • Patent number: 5158962
    Abstract: Fungicidal substituted amino acid amides of the formula ##STR1## in which Ar and Ar' are identical or different and represent unsubstituted or substituted aryl, unsubstituted or substituted aralkyl, unsubstituted or substituted heteroaryl and unsubstituted or substituted heteroarylalkyl, andR.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 are identical or different and represent hydrogen or alkyl orR.sup.3 and R.sup.4, together with the carbon atom to which they are bonded, form a cycloalkyl ring.
    Type: Grant
    Filed: October 2, 1990
    Date of Patent: October 27, 1992
    Assignee: Bayer Aktiengesellschaft
    Inventors: Thomas Seitz, Detlef Wollweber, Wilhelm Brandes
  • Patent number: 5118702
    Abstract: Fungicidal and microbicidal substituted 1-aminomethyl-3-aryl-4-cyano-pyrroles of the formula ##STR1## in which Ar represents optionally substituted phenyl,R.sup.1 represents optionally substituted alkyl, alkenyl, alkynyl or cycloalkyl or in each case optionally substituted aralkyl or aryl andR.sup.2 represents alkyl or in each case optionally substituted cycloalkylalkyl, aralkyl, cycloalkyl or aryl,and their acid addition salts.
    Type: Grant
    Filed: December 17, 1990
    Date of Patent: June 2, 1992
    Assignee: Bayer Aktiengesellschaft
    Inventors: Detlef Wollweber, Wolfgang Kramer, Wilhelm Brandes, Stefan Dutzmann, Wilfried Paulus