Patents by Inventor Wilhelm Stendel

Wilhelm Stendel 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: 6221810
    Abstract: There are provided new 3-hydroxy-4-aryl-5-oxo-pyrazoline derivatives of the formula (I) in which A and B are identical or different and independently of one another in each case represent hydrogen, alkyl, alkenyl, alkynyl, alkoxyalkyl, alkylthioalkyl, cycloalkyl or optionally substituted aryl or A and B together represent the bivalent radical of a saturated or unsaturated, optionally substituted, mono-, bi-, tri- or polycyclic system, X represents alkyl, halogen or alkoxy, Y represents hydrogen, alkyl, halogen, alkoxy or halogenoalkyl, Z represents alkyl, halogen or alkoxy, n represents a number 0, 1, 2 or 3, G represents hydrogen (a) or the groups —CO—R1 (b ), —SO2—R3 (d), or E (g), in which E represents a metal ion equivalent or an ammonium ion, L and M represents oxygen and/or sulphur, and R1, R2, R3, R4, R5, R6 and R7 have the meaning given in the text of the application.
    Type: Grant
    Filed: March 31, 1998
    Date of Patent: April 24, 2001
    Assignee: Bayer Aktiengesellschaft
    Inventors: Bernd-Wieland Kruger, Reiner Fischer, Heinz-Jurgen Bertram, Thomas Bretschneider, Stefan Böhm, Andreas Krebs, Thomas Schenke, Hans-Joachim Santel, Klaus Lurssen, Robert R. Schmidt, Christoph Erdelen, Ulrike Wachendorff-Neumann, Wilhelm Stendel
  • Patent number: 5877195
    Abstract: The invention relates to new substituted benzimidazoles of the general formula (I) ##STR1## in which R.sup.1 represents hydrogen, alkyl or optionally substituted aryl,R.sup.2 represents hydroxyl, cyano, alkoxy or optionally substituted amino,R.sup.3 represents perhalogenoalkyl, andX.sup.1, X.sup.2, X.sup.3 and X.sup.4, independently of one another, in each case represent hydrogen, halogen, nitro or optionally substituted aryloxy, but with at least one of the substituents X.sup.1, X.sup.2, X.sup.3 or X.sup.4 being different from hydrogen,with the exception of the compound 1-cyanomethyl-2-trifluoromethyl-5,6-dichlorbenzimidazole,to their preparation and to their use as agents for combating pests.
    Type: Grant
    Filed: November 15, 1996
    Date of Patent: March 2, 1999
    Assignee: Bayer Aktiengesellschaft
    Inventors: Winfried Lunkenheimer, Bernd Baasner, Folker Lieb, Christoph Erdelen, Jugen Hartwig, Ulrike Wachendorff-Neumann, Wilhelm Stendel, Ulrich Gorgens
  • Patent number: 5863933
    Abstract: The invention relates to new substituted benzimidazole of the general formula (I) ##STR1## in which R.sup.1 represents hydrogen, alkyl, alkoxy or optionally substituted aryl,R.sup.2 represents hydroxyl, cyano or in each case optionally substituted alkyl, alkenyl, alkinyl, alkoxy, alkenyloxy, alkinyloxy, alkylthio, amino, aminocarbonyl, alkylcarbonyl, alkoxycarbonyl, alkoxycarbonyloxy, dialkoxyphosphonyl, (hetero)aryl, (hetero)arylcarbonyl, (hetero)aryloxycarbonyl, (hetero)arylcarbonyloxy or (hetero)arylaminocarbonylaminocarbonyloxy, andR.sup.3 represents fluoroalkyl,X.sup.1, X.sup.2, X.sup.3 and X.sup.
    Type: Grant
    Filed: March 19, 1997
    Date of Patent: January 26, 1999
    Assignee: Bayer Aktiengesellschaft
    Inventors: Winfried Lunkenheimer, Bernd Baasner, Folker Lieb, Stefan Bohm, Albrecht Marhold, Ulrich Gorgens, Wilhelm Stendel, Heinz-Wilhelm Dehne, Hans-Joachim Santel
  • Patent number: 5780394
    Abstract: There are provided new 3-hydroxy-4-aryl-5-oxo-pyrazoline derivatives of the formula (I) ##STR1## in which A and B are identical or different and independently of one another in each case represent hydrogen, alkyl, alkenyl, alkynyl, alkoxyalkyl, alkylthioalkyl, cycloalkyl or optionally substituted aryl orA and B together represent the bivalent radical of a saturated or unsaturated, optionally substituted, mono-, bi-, tri- or polycyclic system,X represents alkyl, halogen or alkoxy,Y represents hydrogen, alkyl, halogen, alkoxy or halogenoalkyl,Z represents alkyl, halogen or alkoxyn represents a number 0, 1, 2 or 3,G represents hydrogen (a) or the groups ##STR2## in which E represents a metal ion equivalent or an ammonium ion,L and M represents oxygen and/or sulphur,and R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6 and R.sup.7 have the meaning given in the text of the application.
    Type: Grant
    Filed: January 23, 1997
    Date of Patent: July 14, 1998
    Assignee: Bayer Aktiengesellschaft
    Inventors: Bernd-Wieland Kruger, Reiner Fischer, Heinz-Jurgen Bertram, Thomas Bretschneider, Stefan Bohm, Andreas Krebs, Thomas Schenke, Hans-Joachim Santel, Klaus Lurssen, Robert R. Schmidt, Christoph Erdelen, Ulrike Wachendorff-Neumann, Wilhelm Stendel
  • Patent number: 5739389
    Abstract: There are provided an aryl carboxylic acid derivatives of the formula (XVIa) ##STR1## Aryl carboxylic acid derivatives of the formula (XVIa) have a particularly pronounced activity against animal pests, in particular against insects and arachnids, and against weeds.
    Type: Grant
    Filed: December 30, 1996
    Date of Patent: April 14, 1998
    Assignee: Bayer Aktiengesellschaft
    Inventors: Bernd-Wieland Kruger, Reiner Fischer, Heinz-Jurgen Bertram, Thomas Bretschneider, Stefan Bohm, Andreas Krebs, Thomas Schenke, Hans-Joachim Santel, Klaus Lurssen, Robert R. Schmidt, Christoph Erdelen, Ulrike Wachendorff-Neumann, Wilhelm Stendel
  • Patent number: 5677449
    Abstract: The invention relates to new 1-H-3-aryl-pyrrolidine-2,4-dione derivatives of the formula (I) ##STR1## in which A and B together with the carbon atom to which they are bonded represent a substituted cycle,X represents alkyl, halogen or alkoxy,Y represents hydrogen, alkyl, halogen, alkoxy or halogenoalkyl,Z represents alkyl, halogen or alkoxy,n represents 0, 1, 2 or 3,G is defined in the claims,to processes for their preparation, and to their use as pesticides.
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: October 14, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Reiner Fischer, Thomas Bretschneider, Bernd-Wieland Kruger, Christoph Erdelen, Hans-Joachim Santel, Klaus Lurssen, Robert R. Schmidt, Ulrike Wachendorff-Neumann, Wilhelm Stendel
  • Patent number: 5661110
    Abstract: There are provided new 3-hydroxy-4-aryl-5-oxo-pyrazoline derivatives of the formula (I) ##STR1## The new 3-hydroxy-4-aryl-5-oxo-pyrazoline derivatives of the formula (I) have a particularly pronounced activity against animal pests, in particular against insects and arachnids, and against weeds.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: August 26, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Bernd-Wieland Kruger, Reiner Fischer, Heinz-Jurgen Bertram, Thomas Bretschneider, Stefan Bohm, Andreas Krebs, Thomas Schenke, Hans-Joachim Santel, Klaus Lurssen, Robert R. Schmidt, Christoph Erdelen, Ulrike Wachendorff-Neumann, Wilhelm Stendel
  • Patent number: 5656649
    Abstract: The invention relates to new substituted benzimidazoles of the general formula (I) ##STR1## in which R.sup.1 represents hydrogen, alkyl, alkoxy or optionally substituted aryl,R.sup.2 represents hydroxyl, cyano or in each case optionally substituted alkyl, alkenyl, alkinyl, alkoxy, alkenyloxy, alkinyloxy, alkylthio, amino, aminocarbonyl, alkylcarbonyl, alkoxycarbonyl, alkylcarbonyloxy, dialkoxyphosphonyl, (hetero)aryl, (hetero)arylcarbonyl, (hetero)aryloxycarbonyl, (hetero)arylcarbonyloxy or (hetero)arylaminocarbonylaminocarbonyloxy, andR.sup.3 represents fluoroalkyl,X.sup.1, X.sup.2, X.sup.3 and X.sup.
    Type: Grant
    Filed: May 25, 1995
    Date of Patent: August 12, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Winfried Lunkenheimer, Bernd Baasner, Folker Lieb, Stefan Bohm, Albrecht Marhold, Ulrich Gorgens, Wilhelm Stendel, Heinz-Wilhelm Dehne, Hans-Joachim Santel
  • Patent number: 5585395
    Abstract: The invention relates to new substituted benzimidazoles of the general formula (I) ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, X.sup.1, X.sup.2, X.sup.3 and X.sup.4 have the meanings given in the disclosure, which are useful as pest control agents, and to a process for their preparation.
    Type: Grant
    Filed: April 24, 1995
    Date of Patent: December 17, 1996
    Assignee: Bayer Aktiengesellschaft
    Inventors: Winfried Lunkenheimer, Bernd Baasner, Folker Lieb, Christoph Erdelen, Ulrike Wachendorff-Neumann, Wilhelm Stendel, Ulrich G orgens
  • Patent number: 5565459
    Abstract: Insecticidal substituted diazacyclohexanes of the formula ##STR1## in which R.sup.1 is a heterocyclic radical,R.sup.4 is a hydrogen or an organic radical.
    Type: Grant
    Filed: May 18, 1995
    Date of Patent: October 15, 1996
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Wagner, Christoph Erdelen, J urgen Hartwig, Wolfgang Leicht, Wilhelm Stendel
  • Patent number: 5521211
    Abstract: Novel substituted 2-arylpyrroles of the formula (I) are described ##STR1## in which R.sup.1, R.sup.2, R.sup.3, R.sup.4, Ar, Y.sup.1 and Y.sup.2 have the meaning given in the description, as is a process for their preparation.The novel 2-arylpyrroles are used as agents for combating pests.
    Type: Grant
    Filed: November 10, 1994
    Date of Patent: May 28, 1996
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hermann Uhr, Christoph Erdelen, Ulrike Wachendorff-Neumann, Wilhelm Stendel
  • Patent number: 5502070
    Abstract: The present invention relates to new substituted 3,4-hetaryl-pyrazolines of the general formula (I) ##STR1## in which R.sup.1 represents an unsaturated five- or six-membered optionally substituted and optionally benzo-fused heterocyclic ring containing 1 to 4 nitrogen atoms, or represents an optionally substituted heterocyclic ring from the series comprising ##STR2## X represents oxygen or sulphur and Het represents an optionally substituted and/or optionally fused heterocyclic ring,processes for their preparation and their use as agents for combating pests.
    Type: Grant
    Filed: September 30, 1993
    Date of Patent: March 26, 1996
    Assignee: Bayer Aktiengesellschaft
    Inventors: Rainer Fuchs, Reiner Fischer, Christoph Erdelen, Wilhelm Stendel
  • Patent number: 5474974
    Abstract: There are provided new 3-hydroxy-4-aryl-5-oxo-pyrazoline derivatives of the formula (I) ##STR1## The new 3-hydroxy-4-aryl-5-oxo-pyrazoline derivatives of the formula (I) have a particularly pronounced activity against animal pests, in particular against insects and arachnids, and against weeds.
    Type: Grant
    Filed: April 28, 1994
    Date of Patent: December 12, 1995
    Assignee: Bayer Aktiengesellschaft
    Inventors: Bernd-Wieland Kruger, Reiner Fischer, Heinz-Jurgen Bertram, Thomas Bretschneider, Stefan Bohm, Andreas Krebs, Thomas Schenke, Hans-Joachim Santel, Klaus Lurssen, Robert R. Schmidt, Christoph Erdelen, Ulrike Wachendorff-Neumann, Wilhelm Stendel
  • Patent number: 5462913
    Abstract: The invention relates to new 1-H-3-aryl-pyrrolidine-2,4-dione derivatives of the formula (I) ##STR1## in which A and B together with the carbon atom to which they are bonded represent a substituted cycle,X represents alkyl, halogen or alkoxy,Y represents hydrogen, alkyl, halogen, alkoxy or halogenoalkyl,Z represents alkyl, halogen or alkoxy,n represents 0, 1, 2 or 3,G represents hydrogen (a) or the groups ##STR2## represents a metal ion equivalent or an ammonium ion, L and M represents oxygen and/or sulphur,R.sup.1 represents in each case optionally halogen-substituted alkyl, alkenyl, alkoxyalkyl, alkylthioalkyl, polyalkoxyalkyl or cycloalkyl, which can be interrupted by hetero atoms, optionally substituted phenyl, optionally substituted phenylalkyl, substituted hetaryl, substituted phenoxyalkyl or substituted hetaryloxyalkyl,R.sup.2 represents in each case optionally halogen-substituted alkyl, alkenyl, alkoxyalkyl, polyalkoxyalkyl or in each case optionally substituted phenyl or benzyl,R.sup.3, R.sup.
    Type: Grant
    Filed: October 21, 1993
    Date of Patent: October 31, 1995
    Assignee: Bayer Aktiengesellschaft
    Inventors: Reiner Fischer, Thomas Bretschneider, Bernd-Wieland Kruger, Christoph Erdelen, Hans-Joachim Santel, Klaus Lurssen, Robert R. Schmidt, Ulrike Wachendorff-Neumann, Wilhelm Stendel
  • Patent number: 5461069
    Abstract: Insecticidally active substituted aza(cyclo)alkanes of the formula (I) ##STR1## in which R.sup.1 represents a five- or six-membered heterocyclic grouping which contains 1, 2, 3 or 4 nitrogen atoms and/or one or two oxygen atoms or sulphur atoms as the heteroatom ring members--the number of heteroatoms being 1, 2, 3 or 4--and which is optionally substitutedR.sup.2 represents hydroxyalkyl, polyhydroxyalkyl, alkoxyalkyl or polyalkoxyalkyl,R.sup.3 represents hydrogen, alkyl, hydroxyalkyl, dihydroxyalkyl, alkoxyalkyl or dialkoxyalkyl,R.sup.4 represents hydrogen or any of various organic radicals,Y represents nitrogen or a CH group andZ represents cyano or nitro.Also intermediates therefor and process of making.
    Type: Grant
    Filed: October 20, 1993
    Date of Patent: October 24, 1995
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Wagner, Christoph Erdelen, Jurgen Hartwig, Wolfgang Leicht, Wilhelm Stendel
  • Patent number: 5391560
    Abstract: The invention relates to new substituted carbamoylpyrazolines ##STR1## to processes in their preparation, and to their use as pesticides.
    Type: Grant
    Filed: September 30, 1993
    Date of Patent: February 21, 1995
    Assignee: Bayer Aktiengesellschaft
    Inventors: Rainer Fuchs, Johannes Kanellakopulos, Christoph Erdelen, Wilhelm Stendel
  • Patent number: 5378724
    Abstract: Pesticidal substituted 2-arylpyrroles of the formula ##STR1## in which n represents 0, 1 or 2,Ar represents optionally substituted aryl,R.sup.1 and R.sup.2 independently of one another represent hydrogen or halogen, but at least one of the two radicals R.sup.1 or R.sup.2 represents halogen,R.sup.3 represents hydrogen, halogen or optionally substituted alkyl,X.sup.1 and X.sup.2 independently represent hydrogen or halogen andR.sup.4 represents hydrogen or ##STR2## (R.sup.5 and R.sup.6 having various meanings). The compounds of the formulas ##STR3## are also new.
    Type: Grant
    Filed: October 1, 1993
    Date of Patent: January 3, 1995
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hermann Uhr, Albrecht Marhold, Stefan Bohm, Christoph Erdelen, Ulrike Wachendorff-Neumann, Wilhelm Stendel
  • Patent number: 5358924
    Abstract: There are provided new 3-hydroxy-4-aryl-5-oxo-pyrazoline derivatives of the formula (I) ##STR1## in which A and B are identical or different and independently of one another in each case represent hydrogen, alkyl, alkenyl, alkynyl, alkoxyalkyl, alkythioalkyl, cycloalkyl or optionally substituted aryl orA and B together represent the bivalent radical of a saturated or unsaturated, optionally substituted, mono-, bi-, tri- or polycyclic system,X represents alkyl, halogen or alkoxy,Y represents hydrogen, alkyl, halogen, alkoxy or halogenoalkyl,Z represents alkyl, halogen or alkoxy,n represents a number 0, 1, 2 or 3,G represents hydrogen (a) or the groups ##STR2## in which E represents a metal ion equivalent or an ammonium ion,L and M represents oxygen and/or sulphur,and R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6 and R.sup.7 have the meaning given in the text of the application.
    Type: Grant
    Filed: December 31, 1992
    Date of Patent: October 25, 1994
    Assignee: Bayer Aktiengesellschaft
    Inventors: Bernd-Wieland Kruger, Reiner Fischer, Heinz-Jurgen Bertram, Thomas Bretschneider, Stefan Bohm, Andreas Krebs, Thomas Schenke, Hans-Joachim Santel, Klaus Lurssen, Robert R. Schmidt, Christoph Erdelen, Ulrike Wachendorff-Neumann, Wilhelm Stendel
  • Patent number: 5332720
    Abstract: There are provided new 3-hydroxy-4-aryl-5-oxo-pyrazoline derivatives of the formula (I) ##STR1## The new 3-hydroxy-4-aryl-5-oxo-pyrazoline derivatives of the formula (I) have a particularly pronounced activity against animal pests, in particular against insects and arachnids, and against weeds.
    Type: Grant
    Filed: December 16, 1992
    Date of Patent: July 26, 1994
    Assignee: Bayer Aktiengesellschaft
    Inventors: Bernd-Wieland Kruger, Reiner Fischer, Heinz-Jurgen Bertram, Thomas Bretschneider, Stefan Bohm, Andreas Krebs, Thomas Schenke, Hans-Joachim Santel, Klaus Lurssen, Robert R. Schmidt, Christoph Erdelen, Ulrike Wachendorff-Neumann, Wilhelm Stendel
  • Patent number: 5310557
    Abstract: The present invention relates to shaped articles which contain active compounds and are characterized in that they comprise, as carriers, thermoplastic elastomers based on polyether block amides, as well as customary additives if appropriate, and to processes for their production and to their use for control of pests in animals.
    Type: Grant
    Filed: November 3, 1992
    Date of Patent: May 10, 1994
    Assignee: Bayer Aktiengesellschaft
    Inventors: Heinz-Dieter Brandt, Rolf Dhein, Herbert Hugl, Doris Hackemuller, Wilhelm Stendel