Patents by Inventor Klaus Lurssen

Klaus Lurssen 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: 5082490
    Abstract: Herbicidal substituted 4,5-diamino-1,2,4-triazol-3-(thi)ones of the formula ##STR1## in which R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 each independently is hydrogen or an organic radical,X is O or S, andY is O or S.
    Type: Grant
    Filed: August 9, 1990
    Date of Patent: January 21, 1992
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus-Helmut Muller, Kurt Findeisen, Michael Haug, Ulrich Heinemann, Joachim Kluth, Klaus Konig, Hans-Joachim Santel, Klaus Lurssen, Robert R. Schmidt
  • Patent number: 5076833
    Abstract: A herbicidal or plant growth-regulating 6-(pent-3-yl)-1,2,4-triazin-5(4H)-one of the formula ##STR1## in which R.sup.1 represents amino andR.sup.2 represents alkylthio having more than 1 carbon atom, alkylamino or dialkylamino,orR.sup.1 represents methylamino andR.sup.2 represents alkylthio.
    Type: Grant
    Filed: May 1, 1990
    Date of Patent: December 31, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Eckart Kranz, Karl-Julius Reubke, Klaus Lurssen, Hans-Joachim Santel, Robert R. Schmidt, Birgit Krauskopf
  • Patent number: 5069712
    Abstract: Imidazolidine derivatives of the formula ##STR1## in which R represents in each case optionally substituted alkyl, cycloalkyl or aryl andX and Y independently of one another represent hydrogen, halogen, cyano, nitro or carboxyl, or represent in each case optionally substituted alkyl, alkoxy, alkoxycarbonyl, alkylthio, alkylsulphinyl or alkylsulphonyl,are useful as herbicides. A process for preparing the imidazolidine derivatives is also disclosed.
    Type: Grant
    Filed: April 4, 1991
    Date of Patent: December 3, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wilfried Draber, Peter Babczinsky, Hans-Joachim Santel, Klaus Lurssen, Robert R. Schmidt
  • Patent number: 5061311
    Abstract: Novel herbicides and plant growth regulants of the formula ##STR1## in which R.sup.1 represents hydrogen alkyl, alkenyl, alkinyl, halogenoalkyl, halogenoalkenyl, halogenoalkinyl, alkoxyalkyl, alkoxy, cycloalkylalkyl or cycloalkyl, or represents in each case optionally substituted aralkyl or aryl,R.sup.2 represents a radical ##STR2## or represents a radical --S(O).sub.n --R.sup.7, R.sup.3 and R.sup.
    Type: Grant
    Filed: March 16, 1988
    Date of Patent: October 29, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Kurt Findeisen, Markus Lindig, Hans-Joachim Santel, Robert R. Schmidt, Klaus Lurssen, Harry Strang
  • Patent number: 5057142
    Abstract: Herbicidal thiazolecarboxamide derivatives of the formula ##STR1## in which n represents the numbers 0 or 1,A represents in each case optionally substituted alkyl, aryl, heteroaryl, arylamino or heteroarylamino,R.sup.1 represents hydrogen, halogen or alkyl,R.sup.2 represents hydrogen, halogen or alkyl,R.sup.3 represents hydrogen, halogen, alkyl or halogenoalkyl,R.sup.4 represents hydrogen, halogen, alkyl or halogenoalkyl,R.sup.5 represents hydrogen, halogen, alkyl, nitro or amino,R.sup.6 represents hydrogen, halogen, alkyl halogenoalkyl, alkoxy, halogenoalkoxy, alkylthio, halogenoalkylthio or alkoxycarbonyl, andR.sup.
    Type: Grant
    Filed: September 24, 1990
    Date of Patent: October 15, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Bernd Baasner, Michael Schwamborn, Hans-Joachim Santel, Klaus Lurssen, Robert R. Schmidt
  • Patent number: 5045108
    Abstract: Herbicidal and plant growth-regulating N-aryl-nitrogen heterocyclic compounds of the formula ##STR1## in which R.sup.1 represents hydrogen or halogen,R.sup.2 represents cyano, nitro, fluorine, chlorine, bromine, iodine, alkyl, halogenoalkyl, alkoxy, halogenoalkoxy, alkylthio or halogeneoalkylthio,R.sup.3 represents halogen, hydroxyl or mercapto, or represents a radical, in each case optionally substituted, from the series comprising alkoxy, alkenyloxy, alkinyloxy, cycloalkoxy, alkylthio, alkenylthio, alkinylthio and cycloalkylthio,R.sup.4 represents hydrogen, halogen or alkyl,R.sup.5 represents hydrogen, halogen or alkyl, or together with R.sup.4 represents alkanediyl,R.sup.6 represents hydrogen or alkyl andR.sup.7 represents hydrogen or alkyl, or together with R.sup.6 represents alkanediyl,with certain provisos regarding R.sup.2.
    Type: Grant
    Filed: June 7, 1990
    Date of Patent: September 3, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Ludwig Elbe, Albrecht Marhold, Klaus Lurssen, Hans-Joachim Santel, Robert R. Schmidt, Birgit Krauskopf
  • Patent number: 5045560
    Abstract: Insecticidal, acaricidal, herbicidal and antimycotic 3-aryl-pyrrolidine-2,4-diones of the formula ##STR1## in which X represents alkyl, halogen or alkoxy,Y represents hydrogen, alkyl, halogen, alkoxy or halogenoalkyl,Z represents alkyl, halogen or alkoxy,n represents a number from 0-3,R represents hydrogen or represents the groups --CO--R.sup.1 or --CO--O--R.sup.2, in whichR.sup.1 represents alkyl, alkenyl, alkoxyalkyl, alkylthioalkyl, polyalkoxyalkyl or cycloalkyl which can be interrupted by hetero atoms, each of which radicals is optionally substituted by halogen, or represents optionally substituted phenyl, optionally substituted phenylalkyl, substituted hetaryl, substituted phenoxyalkyl or substituted hetaryloxyalkyl, or represents optionally substituted phenyl, optionally substituted phenylalkyl, substituted hetaryl, substituted phenoxyalkyl and substituted hetaryloxyalkyl, andR.sup.
    Type: Grant
    Filed: January 2, 1990
    Date of Patent: September 3, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Reiner Fischer, Bernd Baasner, Hermann Hagemann, Andreas Krebs, Albrecht Marhold, Hans-Joachim Santel, Robert R. Schmidt, Klaus Lurssen, Benedikt Becker, Klaus Schaller, Harry Strang
  • Patent number: 5041612
    Abstract: New 1-methylamino-cyclopropane-1-carboxylic acid derivatives, processes for their preparation and their use as plant growth regulators are disclosed and claimed.
    Type: Grant
    Filed: March 3, 1987
    Date of Patent: August 20, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Winfried Lunkenheimer, Klaus Lurssen
  • Patent number: 5039334
    Abstract: Herbicidal and plant growth-regulating substituted N-aryl nitrogen heterocycles of the formula ##STR1## in which Het stands for ##STR2## where A stands for ##STR3## where R.sup.1 and R.sup.2 in each case independently of one another stand for hydrogen, halogen, halogenoalkyl or alkyl,Y.sup.1 and Y.sup.2 in each case stand for oxygen or sulphur andZ stands for hydrogen, hydroxyl or chlorine,R stands for alkyl, alkenyl, cycloalkyl, cycloalkenyl, cycloalylalkyl, or cycloalkenylalkyl, in each case optionally branched and in each case interrupted by at least one oxygen atom, andX stands for hydrogen or halogen.Intermediates of the formula ##STR4## are also new.
    Type: Grant
    Filed: May 19, 1989
    Date of Patent: August 13, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Otto Schallner, Reiner Fischer, Albrecht Marhold, Karl-Julius Reubke, Hans-Joachim Santel, Robert R. Schmidt, Klaus Lurssen, Harry Strang
  • Patent number: 5024694
    Abstract: Herbicidal and plant growth-regulating N-aryl heterocycles of the formula ##STR1## where A represents one of the groupings ##STR2## where R.sup.1 and R.sup.2 in each case independently of one another represent hydrogen, halogen, halogenoalkyl or alkyl,Y.sup.1 and Y.sup.2 in each case represent oxygen or sulphur andZ represents hydrogen, hydroxyl or chlorine, R represents in each case optionally branched alkyl, alkenyl, cycloalkyl, cycloalkenyl, cycloalkylalkyl or cycloalkenylalkyl in each case interrupted by at least one oxygen atom and in each case substituted by at least one fluorine atom,X represents hydrogen or halogen andY represents hydrogen or halogen.
    Type: Grant
    Filed: February 6, 1990
    Date of Patent: June 18, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Otto Schallner, Michael Negele, Hans-Joachim Santel, Klaus Lurssen, Robert R. Schmidt, Birgit Krauskopf
  • Patent number: 5021080
    Abstract: Herbicidal substituted 4-amino-5-alkylthio-1,2,4-triazol-3-ones of the formula ##STR1## in which R.sup.1 represents in each case straight-chain or branched alkyl, alkenyl or alkinyl, each of which has up to 4 carbon atoms, andR.sup.2 represents sec-butyl, tert.-butyl or optionally substituted C.sub.5 -C.sub.10 -alkyl, alkenyl or alkinyl, or piperidyl- or morpholinyl-alkyl, optionally substituted C.sub.3, C.sub.4, C.sub.5 and C.sub.7 -cycloalkyl, substituted cyclohexyl, or optionally substituted benzyl, phenethyl, naphthylmethyl or naphthylethyl.
    Type: Grant
    Filed: April 4, 1990
    Date of Patent: June 4, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus-Helmut Muller, Joachim Kluth, Klaus Konig, Karl-Rudolf Gassen, Kurt Findeisen, Markus Lindig, Klaus Lurssen, Hans-Joachim Santel, Robert R. Schmidt
  • Patent number: 4988382
    Abstract: Plant growth-regulating and fungicidal compounds of the formula ##STR1## in which Ar represents optionally substituted aryl or optionally substituted heteroaryl,R.sup.1 represents hydrogen, alkyl, alkenyl, alkinyl, trialkylsilyl, optionally substituted phenylalkyl or an acyl radical,R.sup.2 represents halogen, cyano, thiocyano, alkylcarbonyloxy, alkylcarbonylthio or the groupings --X--R.sup.3 and --NR.sup.4 R.sup.5,R.sup.3 represents alkyl, cycloalkyl, alkenyl, alkinyl, hydroxyalkyl, alkylthioalkyl, carboxyalkyl, alkoxycarbonylalkyl, optionally substituted aryl, optionally substituted aralkyl or the radical of the formula ##STR2## R.sup.4 and R.sup.5 independently of one another represent hydrogen or alkyl, orR.sup.4 and R.sup.5, together with the nitrogen atom to which they are bonded, represent an optionally substituted cycloaliphatic ring which can contain further heteroatoms,X represents oxygen, sulphur, an SO group or an SO.sub.2 group, orR.sup.
    Type: Grant
    Filed: December 28, 1989
    Date of Patent: January 29, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Bockmann, Erik Regel, Karl H. Buchel, Klaus Lurssen, Jorg Konze, Wilhelm Brandes
  • Patent number: 4985063
    Abstract: A 3-aryl-pyrrolidine-2,4-dione (e) derivative of the formula (I) ##STR1## in which X represents alkyl, halogen and alkoxy,Y represents hydrogen, alkyl, halogen, alkoxy and halogenoalkyl,Z represents alkyl, halogen and alkoxy,m represents a number from 1-4,n represents a number from 0-3, R represents hydrogen, ##STR2## or A where A represents a metal cation equivalent or represents an ammonium ion,R.sup.1 represents optionally halogen-substituted alkyl, alkenyl, alkoxyalkyl, alkylthioalkyl, polyalkoxyalkyl and optionally substituted cycloalkyl which can be interrupted by hetero atoms, or represents optionally substituted phenyl, optionally substituted phenylalkyl, substituted hetaryl, substituted phenoxyalkyl and substituted hetaryloxyalkyl andR.sup.2 represents optionally halogen-substituted alkyl, cycloalkyl, alkenyl, alkoxyalkyl, polyalkoxyalkyl and optionally substituted phenyl,as well as the pure enantiomeric forms of compounds of the formula (I).
    Type: Grant
    Filed: August 8, 1989
    Date of Patent: January 15, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Reiner Fischer, Hermann Hagemann, Andreas Krebs, Albrecht Marhold, Klaus Lurssen, Robert R. Schmidt, Hans-Joachim Santel, Benedikt Becker, Klaus Schaller, Wilhelm Stendel
  • Patent number: 4969948
    Abstract: Herbicidal and plant growth-regulating substituted phenoxyphenylsulphonylazoles of the formula ##STR1## in which R.sup.1 represents hydrogen, halogen, cyano or trifluoromethyl,R.sup.2 represents hydrogen or halogen,R.sup.3 represents halogen, cyano, trifluoromethyl, trifluoromethoxy or trifluoromethylsulphonyl,R.sup.4 represents hydrogen or halogen,R.sup.5 represents hydrogen or halogen,R.sup.6 represents hydrogen, halogen, cyano, nitro or amino andAz represents optionally substituted azolyl.
    Type: Grant
    Filed: September 27, 1989
    Date of Patent: November 13, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Michael Haug, Theodor Pfister, Hans-Joachim Santel, Robert R. Schmidt, Klaus Lurssen, Harry Strang
  • Patent number: 4960456
    Abstract: Compounds which are substituted 1-hydroxyalkyl-azolyl derivatives of the general formula ##STR1## in which A represents a nitrogen atom or a CH group,B represents oxygen, sulphur or a CH.sub.2 group,R represents a substituted alkyl, and, in the case in which B represents sulphur, also represents an unsubstituted alkyl, optionally substituted cyclo-alkyl or optionally substituted phenyl group,Z represents a halogen atom or an alkyl, cycloalkyl, alkoxy, alkylthio, halogenoalkyl, halogenoalkoxy, halogenoalkylthio, optionally substituted phenyl, optionally substituted phenoxy, optionally substituted phenylalkyl or optionally substituted phenylalkoxy group, andm is 0, 1, 2 or 3,and the acid addition salts and metal salt complexes thereof, are new, are prepared as described and find use as fungicides and plant growth regulators.
    Type: Grant
    Filed: May 19, 1989
    Date of Patent: October 2, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Graham Holmwood, Erik Regel, Gerhard Jager, Karl H. Buchel, Klaus Lurssen, Paul-Ernst Frohberger, Wilhelm Brandes, Volker Paul
  • Patent number: 4940798
    Abstract: A substituted azolylvinyl ketone or carbinol of the formula ##STR1## in which R.sup.1 represents optionally substituted cycloalkyl with 3 to 5 carbon atoms, substituted cyclohexyl or the grouping ##STR2## wherein R.sup.3 represents optionally substituted phenyl, alkenyl, alkinyl, cyano or the grouping --Z--R.sup.4,whereinR.sup.4 represents alkyl, halogenoalkyl, optionally substituted phenyl or optionally substituted phenylalkyl andZ represents O, S, SO or SO.sub.2,n represents a number from 0 to 2,R.sup.2 represents alkyl, alkenyl, alkinyl, in each case optionally substituted phenyl or phenylalkyl, or in each case optionally substituted cycloalkyl, cycloalkylalkyl, cycloalkenyl, cycloalkenylalkyl, bicycloalkyl or bicycloalkenyl, but R.sup.2 does not represent optionally substituted phenyl at the same time as R.sup.1 represents optionally substituted cycloalkyl with 3 to 5 carbon atoms or substituted cyclohexyl or R.sup.
    Type: Grant
    Filed: September 24, 1987
    Date of Patent: July 10, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Ludwig Elbe, Wolf Reiser, Erik Regel, Karl H. Buchel, Paul Reinecke, Wilhelm Brandes, Klaus Lurssen, Paul-Ernst Frohberger
  • Patent number: 4938791
    Abstract: Fungicidal and plant growth regulating hydroxyethylazolyl derivatives of the formula ##STR1## in which R represents hydrogen, alkyl or acyl,R.sup.1 represents halogen, optionaly substituted phenyl or the grouping --Z--R.sup.3, whereinZ represents oxygen, sulphur, SO or SO.sub.2 andR.sup.3 represents optionally substituted phenyl,R.sup.
    Type: Grant
    Filed: June 24, 1988
    Date of Patent: July 3, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Stroech, Klaus Bockmann, Stefan Dutzmann, Wilhelm Brandes, Klaus Lurssen, Paul Reinecke
  • Patent number: 4936892
    Abstract: A 1-arylpyrazole of the formula (I) ##STR1## in which R.sup.1 stands for hydrogen or nitro,R.sup.2 stands for hydrogen, for a radical ##STR2## or a radical --S(O).sub.n --R.sup.5, R.sup.3 stands for alkyl, for a radical ##STR3## or for a radical --S(O).sub.n --R.sup.5, and, in addition, in the case where R.sup.2 stands for a radical --SO.sub.2 --R.sup.5, R.sup.3 alternatively stands for an inorganic or organic cation bonded in the manner of a salt,whereR.sup.4 stands for hydrogen, alkyl, alkenyl, alkinyl, monohalogenoalkyl, alkoxyalkyl, halogenoalkoxyalkyl, alkylthioalkyl, alkoxy, alkylthio, alkylsulphonylalkyl, alkylsulphinylalkyl, alkylamino, dialkylamino, optionally substituted cycloalkyl, optionally substituted aryl, optionally substituted aryloxy, optionally substituted arylthio, or for optionally substituted arylamino,X stands for oxygen or sulphur,R.sup.
    Type: Grant
    Filed: July 15, 1988
    Date of Patent: June 26, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Reinhold Gehring, Otto Schallner, Jorg Stetter, Albrecht Marhold, Hans-Joachim Santel, Robert R. Schmidt, Klaus Lurssen, Harry Strang
  • Patent number: 4936907
    Abstract: Plant growth-regulating azolyl spiro compounds of the formula ##STR1## in which R stands for halogen, alkyl, alkoxy, alkylthio, optionally substituted phenyl, optionally substituted phenoxy, amino, alkylamino and/or dialkylamino,n stands for the numbers 0, 1, 2 or 3 andX stands for nitrogen or a CH group,and addition products thereof with acids and metal salts.
    Type: Grant
    Filed: October 26, 1988
    Date of Patent: June 26, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Manfred Jautelat, Hans-Ludwig Elbe, Klaus Lurssen
  • Patent number: 4935049
    Abstract: New substituted azolylmethylcarbinols of the formula ##STR1## in which Ar stands for optionally substituted aryl,Z stands for nitrogen or an CH group andR stands for alkyl, dialkylaminoalkyl, alkenyl, alkinyl, alkoxyalkyl, optionally substituted aralkyl, optionally substituted aryloxyalkyl, optionally substituted aryl or a radical of the formula ##STR2##whereinR.sup.1 stands for hydrogen, alkyl, alkenyl, alkinyl or cycloalkyl andR.sup.2 stands for hydrogen, alkyl, alkoxyalkyl, alkenyl, alkinyl, cycloalkyl, cycloalkylalkyl, for optionally substituted aryl or for optionally substituted aralkyl, orR.sup.1 and R.sup.2 together with the nitrogen atom to which they are bonded stand for an optionally substituted heterocyclic ring which cna optionally contain further heteroatoms,and acid addition salts and metal salt complexes thereof, and the use of the novel compounds as fungicides and plant growth regulators.
    Type: Grant
    Filed: October 7, 1988
    Date of Patent: June 19, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfgang Kramer, Erik Regel, Karl H. Buchel, Stefan Dutzmann, Wilhelm Brandes, Klaus Lurssen