Patents by Inventor Karl H. Buchel

Karl H. Buchel 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: 5371065
    Abstract: Fungicidal and plant growth-regulating substituted azolylmethyloxiranes of the formula ##STR1## in which R.sup.1 stands for alkyl,R.sup.2 stands for alkyl,X stands for a nitrogen atom or the CH group,Y stands (or halogen, alkyl, cycloalkyl, alkoxy, alkylthio, halogenoalkyl, halogenoalkoxy, halogenoalkylthio, optionally substituted phenyl, optionally substituted phenoxy, optionally substituted phenylalkyl and/or optionally substituted phenylalkoxy andm stands for the numbers 0, 1, 2 or 3,and addition products thereof with acids and metal salts.
    Type: Grant
    Filed: February 2, 1989
    Date of Patent: December 6, 1994
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Ludwig Elbe, Karl H. Buchel, Wilhelm Brandes, Stefan Dutzmann, Klaus Lurssen
  • Patent number: 5141553
    Abstract: Compounds which are ether derivatives of substituted 1-hydroxyalkyl-azoles, 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.sup.1 represents a substituted alkyl, optionally substituted cycloalkyl or optionally substituted phenyl radical or, if either A represents a nitrogen atom, or if A represents the CH group and at the same B represents oxygen or sulphur, R.sup.1 also represents an unsubstituted alkyl radical,R.sup.
    Type: Grant
    Filed: January 14, 1983
    Date of Patent: August 25, 1992
    Assignee: Bayer Aktiengesellschaft
    Inventors: Graham Holmwood, Erik Regel, Gerhard Jager, Karl H. Buchel, Paul-Ernst Frohberger, Wilhelm Brandes, Klaus Lurssen
  • Patent number: 5097050
    Abstract: An oxirane of the formula ##STR1## in which Ar represents phenyl optionally substituted with from one to three halogen atoms,R represents alkyl having from 1 to 4 carbon atoms,X.sup.1 represents halogen,X.sup.2 represents hydrogen or halogen,X.sup.3 represents hydrogen or halogen,X.sup.4 represents hydrogen or halogen andn represents 0 to 1,useful as intermediates for the synthesis of fungicidal hydroxyalkinyl-azoles.
    Type: Grant
    Filed: February 14, 1991
    Date of Patent: March 17, 1992
    Assignee: Bayer Aktiengesellschaft
    Inventors: Reinhard Lantzcsh, Ernst Kysela, Karl H. Buchel, Stefan Dutzmann, Wilheim Brandes, Gerd Hanssler
  • Patent number: 5089640
    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.3 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: September 28, 1988
    Date of Patent: February 18, 1992
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Bockmann, Erik Regel, Karl H. Buchel, Klaus Lurssen, Jorg Konze, Wilhelm Brandes
  • Patent number: 5059615
    Abstract: Antimycotically active 1-cyano- and 1-carboxamidocyclopropylazolylmethylcarbinols have now been found of the formula ##STR1## in which R.sup.1 represents hydrogen or represents alkyl or represents alkylcarbonyl,R.sup.2 represents cyano or represents a group of the formula ##STR2## R.sup.3 represents phenyl which is optionally substituted by halogen, straight-chain or branched alkyl, alkoxy, alkylthio, halogenoalkyl, halogenoalkoxy or halogenoalkylthio, or by phenyl or phenoxy which, in turn, may be substituted by halogen or alkyl having up to 6 carbon atoms,X represents a nitrogen atom or the CH group,Y represents a bond or represents a group of the formula ##STR3## in which R.sup.4 and R.sup.5 are identical or different and denote hydrogen or alkyl and their pharmaceutically tolerated acid addition salts.
    Type: Grant
    Filed: November 1, 1989
    Date of Patent: October 22, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Burkhard Fugmann, Manfred Plempel, Klaus Stroech, Karl H. Buchel
  • Patent number: 5025030
    Abstract: Novel hydroxyalkinyl-azolyl derivatives of the formula ##STR1## in which Ar represents optionally substituted aryl,R represents alkyl, optionally substituted aryl or optionally substituted aralkyl,X.sup.1 represents halogen,X.sup.2 represents hydrogen or halogen,X.sup.3 represents hydrogen or halogen,X.sup.4 represents hydrogen or halogen andn represents 0 or 1,and acid addition salts and metal salt complexes thereof, are outstandingly effective as fungicides.
    Type: Grant
    Filed: July 7, 1989
    Date of Patent: June 18, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Reinhard Lantzsch, Ernst Kysela, Karl H. Buchel, Stefan Dutzmann, Wilhelm Brandes, Gerd Hanssler
  • Patent number: 5011850
    Abstract: The invention relates to compounds and their derivatives, said compounds being described herein as those of Formula (I). The compounds and compositions containing them are effective antimycotic agents and the invention includes methods for the use of said compounds and compositions.
    Type: Grant
    Filed: October 6, 1986
    Date of Patent: April 30, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Ludwig Elbe, Erik Regel, Karl H. Buchel, Klaus Schaller, Manfred Plempel
  • Patent number: 4999440
    Abstract: Fungicidal hydroxyalkyl-triazdyl derivatives of the formula ##STR1## in which R represents a radical of the formula --CH.sub.2 --CH(CH.sub.3).sub.2, --(CH.sub.2).sub.4 --CH.sub.3, --(CH.sub.2).sub.5 --CH.sub.3, --(CH.sub.2).sub.6 --CH.sub.3, ##STR2## Z represents halogen, alkyl with 1 to 4 carbon atoms, halogenoalkyl with 1 or 2 carbon atoms and 1 to 5 halogen atoms, halogenoalkoxy with 1 or 2 carbon atoms and 1 to 5 halogen atoms, halogenoalkylthio with 1 or 2 carbon atoms and 1 to 5 halogen atoms, phenyl or alkoximinimethyl with 1 to 4 carbon atoms in the alkoxy group andm represents the numbers 0, 1, 2 or 3,and addition products thereof with acids and metal salts. Intermediates of the formulas ##STR3## are also new.
    Type: Grant
    Filed: August 17, 1989
    Date of Patent: March 12, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Graham Holmwood, Udo Kraatz, Karl H. Buchel, Wilhelm Brandes, Stefan Dutzmann, Paul Reinecke
  • Patent number: 4994480
    Abstract: Fungicidal substituted triazolylmethylcarbinols of the formula ##STR1## in which n stands for the numbers 0 or 1,Ar stands for optionally substituted phenyl or for optionally substituted naphthyl,R.sup.1 stands for hydrogen, optionally substituted alkyl, optionally substituted alkenyl, optionally substituted alkinyl, optionally substituted aralkyl, cycloalkyl or optionally substituted heteroarylalkyl,R.sup.2 stands for alkyl, cycloalkyl, cycloalkylalkyl or alkenyl,R.sup.3 stands for methyl andR.sup.4 stands for methyl orR.sup.3 and R.sup.4 together stand for ethane-1,2-diyl, and addition products thereof with acids and metal salts. Intermediates of the formulas ##STR2## in which R.sup.6 stands for alkyl having more than one carbon atom, cycloalkyl, cycloalkylalkyl or alkenyl, are also new.
    Type: Grant
    Filed: April 12, 1989
    Date of Patent: February 19, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Karl H. Buchel, Graham Holmwood, Gerd Hannsler, Wilhelm Brandes, Stefan Dutzmann
  • 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: 4968712
    Abstract: Fungicidal 1,4-disubstituted 1-azolyl-3,3-dimethylbutane derivatives of the formula ##STR1## in which R.sup.1 represents hydrogen or halogen,R.sup.2 represents hydrogen or halogen,R.sup.3 represents hydrogen, halogen or trifluoromethoxy,R.sup.4 represents halogen, trifluoromethoxy, trifluoromethylthio, trifluoromethylsulphinyl, trifluoromethylsulphonyl, difluoromethoxy, difluorochloromethoxy, trifluorochloroethoxy, tetrafluoroethoxy, trifluoroethoxy, difluoromethylthio, trifluorochloroethylthio, tetrafuoroethylthio, difluoromethylsulphinyl, difluorochloromethylsulphinyl, trifluorochloroethylsulphinyl, tetrafluoroethylsulphinyl, difluoromethylsulphonyl, difluorochloromethylsulphonyl, trifluorochloroethylsulphonyl, tetrafluoroethylsulphonyl, difluorobromomethylthio, difluorobromomethylsulphinyl, difluorobromomethylsulphonyl or difluorochloromethylthio orR.sup.3 and R.sup.4 together represent alkylenedioxy substituted by halogen,R.sup.
    Type: Grant
    Filed: July 29, 1988
    Date of Patent: November 6, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Ludwig Elbe, Albrecht Marhold, Karl H. Buchel, Stefan Dutzmann, Paul Reinecke, Wilhelm Brandes, Gerhard Hanssler
  • 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: 4960453
    Abstract: Fungicidal and plant growth-regulating hydroxyalkylazolyl derivatives of the formula ##STR1## in which Z represents halogen, alkyl with 1 to 4 carbon atoms, halogenoalkyl with 1 or 2 carbon atoms and 1 to 5 halogen atoms, halogenoalkoxy with 1 or 2 carbon atoms and 1 to 5 halogen atoms, halogenoalkylthio with 1 or 2 carbon atoms and 1 to 5 halogen atoms, phenyl or alkoximinomethyl with 1 to 4 carbon atoms in the alkoxy group,X represents oxygen, sulphur or a CH.sub.2 group andm represents the number 0, 1, 2 or 3,and addition products thereof with acids and metal salts. Intermediates of the formulas ##STR2## are also new.
    Type: Grant
    Filed: May 5, 1988
    Date of Patent: October 2, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Graham Holmwood, Gerhard Jager, Karl H. Buchel, Wilhelm Brandes, Stefan Dutzmann, Gerd Hanssler
  • Patent number: 4960781
    Abstract: Fungicidal bisazolyl-hydroxyalkyl derivatives of the formula ##STR1## in which Ar stands for optionally substituted aryl,X stands for a grouping --CH.sub.2 CH.sub.2 --, --OCH.sub.2 --, --SCH.sub.2 -- or --SH.dbd.CH--,Y stands for a nitrogen atom or the grouping CR.sup.3,R.sup.1, R.sup.2 and R.sup.3 stand for hydrogen, halogen or methyl, andn stands for the numbers 0, 1 or 2,and acid addition salts and metal salt complexes thereof. Intermediates of the formulas ##STR2## are also new.
    Type: Grant
    Filed: February 16, 1990
    Date of Patent: October 2, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Graham Holmwood, Wolfgang Kramer, Erik Regel, Hans L. Elbe, Karl H. Buchel, Stefan Dutzmann, Wilhelm Brandes, Paul Reinecke
  • Patent number: 4945101
    Abstract: Hydroxyalkinyl-azolyl derivatives of the formula ##STR1## in which A is a nitrogen atom or the CH group,R is optionally substituted alkyl, cycloalkyl or phenyl,R.sup.1 is hydrogen, alkyl, alkenyl, alkinyl, or optionally substituted benzyl,R.sup.2 is hydrogen or methyl, andX is hydrogen, bromine or iodine,or addition products thereof with acids or metal salts exhibit fungicidal activity. Some intermediates therefor are also new.
    Type: Grant
    Filed: October 4, 1985
    Date of Patent: July 31, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Gerhard Jager, Klaus Bockmann, Karl H. Buchel, Wilhelm Brandes, Paul-Ernst Frohberger, Hans Scheinpflug
  • 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: 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
  • Patent number: 4921528
    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, alkynyl, 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, alkynyl, hydroxyalkyl, alkylthioalkyl, carboxyalkyl, alkoxycarbonylalkyl, optionally substituted aryl, optionally substituted aralkyl or the radical of the formula ##STR2## R.sup.4 and R.sup.3 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: October 19, 1988
    Date of Patent: May 1, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Bockmann, Erik Regel, Karl H. Buchel, Klaus Lurssen, Jorg Konze, Wilhelm Brandes
  • Patent number: 4921870
    Abstract: A fungicidally active substituted phenethyl-triazolyl derivative of the formula ##STR1## in which X.sup.1 and X.sup.2 each independently is halogen or halogenoalkyl, and one of them may also be hydrogen,Y is >C.dbd.N--O--R or >CH--O--R,R is phenoxyethyl which is optionally substituted in the phenyl part,or an addition product thereof with an acid or salt.
    Type: Grant
    Filed: May 5, 1988
    Date of Patent: May 1, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfgang Kramer, Hans-Joachim Knops, Karl H. Buchel, Paul Reinecke
  • Patent number: 4917720
    Abstract: Azolyl ether ketones and alcohols of the formula ##STR1## in which R.sup.1 and R.sup.2 each independently represents alkyl with more than one carbon atom, orR.sup.1 represents dichloromethyl, trichloromethyl, chlorovinyl or dichlorovinyl, andR.sup.2 represents alkyl,R.sup.3 represents alkyl,A represents the keto group or a CH(OH) grouping,Z represents a nitrogen atom or the CH group,X represents oxygen or sulfur andAr represents optionally substituted phenyl,or addition products thereof with acids and metal salts, are active against fungi and in regulating the growth of plants. New intermediates therefor are also shown.
    Type: Grant
    Filed: October 12, 1988
    Date of Patent: April 17, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Gerhard Jager, Manfred Jautelat, Wolfgang Kramer, Karl H. Buchel, Paul Reinecke, Wilhelm Brandes, Gerd Hanssler, Klaus Lurssen