Patents by Inventor Paul-Ernst Frohberger

Paul-Ernst Frohberger 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: 4489081
    Abstract: Fungicidally active novel substituted azolylethyl oximinoalkyl ethers of the formula ##STR1## in which A is a nitrogen atom or the CH group,R.sup.1 is optionally substituted phenyl,R.sup.2, R.sup.3 and R.sup.4 each independently is hydrogen, alkyl or optionally substituted phenyl, andR.sup.5 is hydrogen, alkyl, alkenyl, alkinyl, optionally substituted phenyl or optionally substituted phenylalkyl,or addition products thereof with acids or metal salts.
    Type: Grant
    Filed: February 22, 1983
    Date of Patent: December 18, 1984
    Assignee: Bayer Aktiengesellschaft
    Inventors: Jorg Stetter, Karl H. Buchel, Paul Reinecke, Wilhelm Brandes, Paul-Ernst Frohberger
  • Patent number: 4486218
    Abstract: 1-Vinyltriazole compounds of the formula ##STR1## wherein R.sup.1 is alkyl, substituted alkyl, cycloalkyl, aryl or substituted aryl;R.sup.2 is alkyl;R.sup.3 is alkyl, cycloalkyl, cycloalkenyl, substituted cycloalkenyl, alkenyl, aryl or substituted aryl; orR.sup.2 and R.sup.3, together with the carbon to which they are bonded, represent cycloalkenyl, substituted cycloalkenyl, cycloalkyl or substituted cycloalkyl;X is the group ##STR2## or, alternatively, X may represent a keto group provided that when X is a keto group, R.sup.1 is alkyl, substituted alkyl, cycloalkyl, or substituted cycloalkyl;R.sup.4 is hydrogen, alkyl, aralkyl, substituted aralkyl, acyl, carbamoyl or substituted carbamoyl;R.sup.5 is hydrogen, alkyl, aralkyl or substituted aralkyl;and acid addition salts and metal salt complexes thereof; are outstandingly effective plant growth regulants and as fungicides.
    Type: Grant
    Filed: August 20, 1981
    Date of Patent: December 4, 1984
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolf Reiser, Wilfried Draber, Karl H. Buchel, Klaus Lurssen, Paul-Ernst Frohberger, Volker Paul
  • Patent number: 4472416
    Abstract: A substituted azolyl-phenoxy derivative of the formula ##STR1## in which A is a nitrogen atom or a CH group,B is a keto group or a CH(OH) grouping,R.sup.1 is an alkyl or halogenoalkyl group of an optionally substituted aryl group,R.sup.2 is a hydrogen atom, an alkyl group or an optionally substituted phenyl group,R.sup.3 is a hydrogen atom, an alkyl, alkenyl or alkinyl group,m is 1 or 2,X is a halogen atom, or an alkyl, alkoxy, alkylthio, halogenoalkyl, halogenoalkoxy or halogenoalkylthio group, andn is 0, 1 or 2,or an addition product thereof with an acid or metal salt, which possesses fungicidal activity particularly for combating cereal diseases as well as rust and scab diseases.
    Type: Grant
    Filed: August 2, 1982
    Date of Patent: September 18, 1984
    Assignee: Bayer Aktiengesellschaft
    Inventors: Jorg Stetter, Karl H. Buchel, Paul-Ernst Frohberger, Paul Reinecke, Wilhelm Brandes
  • Patent number: 4469902
    Abstract: Novel 1-iodoprop-1-yn-3-ols of the formula ##STR1## in which R.sup.1 represents optionally substituted aryl andR.sup.2 represents alkyl or cycloalkyl, which may be used as plant protection agents, especially as fungicides, are obtained when 1-iodoprop-1-yn-3-ols are reacted with iodine in the presence of a basic compound.
    Type: Grant
    Filed: May 14, 1982
    Date of Patent: September 4, 1984
    Assignee: Bayer Aktiengesellschaft
    Inventors: Gerhard Jager, Wilhelm Brandes, Paul-Ernst Frohberger
  • Patent number: 4465680
    Abstract: New azolylvinyldithioacetals of the formula ##STR1## in which R.sup.1 is an alkyl, optionally substituted cycloalky, optionally substituted phenyl or alkoxy group,R.sup.2 and R.sup.3 are identical and each is an alkyl, alkenyl, alkinyl, optionally substituted benzyl or trialkylsilyl group,R.sup.2 and R.sup.3 together form an alkylene chain, a dialkylsilyl bridge or a --CH.dbd.CH-- group,X is a keto group or a CH--(OH) group, andY is a nitrogen atom or a CH group,and their acid addition salts and metal salt complexes are prepared as described and find use as fungicides.
    Type: Grant
    Filed: November 1, 1982
    Date of Patent: August 14, 1984
    Assignee: Bayer Aktiengesellschaft
    Inventors: Udo Kraatz, Gerhard Jager, Karl H. Buchel, Paul-Ernst Frohberger
  • Patent number: 4465678
    Abstract: Aminopropiophenone derivatives of the formula ##STR1## in which X is a keto group or an oxime radical of the formula>C.dbd.N--O--R.sup.4,Y each independently is an alkyl radical, a halogen atom, or a halogenoalkyl, alkoxy, alkythio, halogenoalkoxy, halogenoalkylthio, cycloalkyl or cyano radical,n is 0, 1, 2, or 3,R.sup.1 and R.sup.2 each independently is an alkyl radical, or,R.sup.1 and R.sup.2, together with the nitrogen atom to which they are bonded, complete an optionally substituted heterocyclic radical of the formula ##STR2## or in addition, if X is >C.dbd.N--O--R.sup.4, also may complete an optionally substituted heterocyclic radical of the formula ##STR3## R.sup.3 is a hydrogen atom or an alkyl radical, and R.sup.4 is a hydrogen atom or an alkyl, alkenyl, alkinyl or aralkyl radical,or physiologically acceptable acid addition salts thereof, which possess fungicidal activity.
    Type: Grant
    Filed: November 24, 1982
    Date of Patent: August 14, 1984
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Joachim Knops, Wolfgang Kramer, Paul-Ernst Frohberger
  • Patent number: 4438122
    Abstract: 1-Phenoxy-2-pyridinyl(pyrimidinyl)-alkanols of the formula ##STR1## in which R represents alkyl, optionally substituted aryl or optionally substituted aralkyl,X represents a nitrogen atom or the CH group,Y represents halogen, alkyl, cycloalkyl, alkoxy, halogenoalkyl, alkylthio, or an optionally substituted phenyl, phenoxy, phenylalkoxy or phenylalkyl radical, andn represents 0 or an integer from 1 to 5, the Y's being selected independently of one another when n is 2, 3, 4 or 5,in the form of the free base, a salt or a metal salt complex thereof, which possess fungicidal properties.
    Type: Grant
    Filed: June 24, 1982
    Date of Patent: March 20, 1984
    Assignee: Bayer Aktiengesellschaft
    Inventors: Graham Holmwood, Paul-Ernst Frohberger, Wilhelm Brandes, Volker Paul
  • Patent number: 4436907
    Abstract: A benzyl-pyrimidinylalkyl-ether of the formula ##STR1## in which R is alkyl, optionally substituted cycloalkyl or optionally substituted phenyl, andX.sup.1, X.sup.2 and X.sup.3 each independently is hydrogen, halogen, alkyl, cycloalkyl, alkoxy, alkylthio, halogenoalkyl, halogenoalkoxy, halogenoalkylthio, cyano, optionally substituted phenoxy, optionally substituted phenylalkyl or optionally substituted phenylalkoxy,or an acid addition salt or metal salt complex thereof, which possesses fungicidal and plant growth-regulating properties. The corresponding pyrimidinyl-carbinols are also new.
    Type: Grant
    Filed: January 28, 1982
    Date of Patent: March 13, 1984
    Assignee: Bayer Aktiengesellschaft
    Inventors: Graham Holmwood, Klaus Lurssen, Paul-Ernst Frohberger
  • Patent number: 4435411
    Abstract: A 1-phenyl-2-(1,2,4-triazol-1-yl)-prop-2-en-1-one of the formula ##STR1## in which R is methyl, ethyl, isopropyl, alkyl with more than 3 carbon atoms, optionally substituted cycloalkyl, optionally substituted cycloalkenyl, optionally substituted alkenyl, optionally substituted alkynyl, optionally substituted phenoxyphenyl, or phenylalkyl which is optionally substituted in the alkyl part and/or in the phenyl part,X each independently is halogen, optionally substituted phenyl or optionally substituted phenoxy, andn is 0, 1, 2 or 3,or an addition product thereof with a physiologically acceptable acid or a metal salt which possesses fungicidal activity.
    Type: Grant
    Filed: April 30, 1981
    Date of Patent: March 6, 1984
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolf Reiser, Hans-Ludwig Elbe, Karl Buchel, Paul-Ernst Frohberger, Wilhelm Brandes
  • Patent number: 4428949
    Abstract: A 4-fluoro-1-azolyl-1-phenoxy-butan-2-one or -ol of the formula ##STR1## in which Az is an imidazol-1-yl, 1,2,4-triazol-1-yl or 1,2,4-triazol-4-yl radical,B is a keto or CH(OH) group,X is a hydrogen or fluorine atom,Y is an alkoxy, alkylthio, halogenoalkyl, halogenoalkoxy or halogenoalkylthio radical,Z is a halogen atom or an alkyl radical,m is 1, 2 or 3 andn is 0, 1 or 2,or an addition product thereof with a physiologically acceptable acid or a metal salt, which possesses fungicidal activity.
    Type: Grant
    Filed: August 25, 1981
    Date of Patent: January 31, 1984
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfgang Kramer, Karl H. Buchel, Jorg Stetter, Paul-Ernst Frohberger, Wilhelm Brandes
  • Patent number: 4427673
    Abstract: Fungicidally active novel azolylalkyl derivatives of the formula ##STR1## in which R.sup.1 is an alkyl or aryl group,R.sup.2 is a hydrogen atom or an alkyl or aryl group,R.sup.3 is cyano or --CO--OR.sup.4,R.sup.4 is alkyl or aralkyl group,A is a keto group or a CH(OH) group,X is a nitrogen atom or the CH group, andm and n are identical and represent 0 to 1,or a physiologically acceptable addition product thereof with an acid or a metal salt.
    Type: Grant
    Filed: August 7, 1981
    Date of Patent: January 24, 1984
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfgang Kramer, Karl H. Buchel, Wilhelm Brandes, Paul-Ernst Frohberger
  • Patent number: 4427672
    Abstract: Substituted triazolylalkyl pyridyl ethers of the formula ##STR1## in which R.sup.1 is a halogen atom,R.sup.2 is a hydrogen or halogen atom,X is a keto group or a CH(OH) group,Y each independently is a halogen atom or an alkyl, alkoxy or cyano group, andn is 0, 1, 2, 3 or 4,or an addition product thereof with a physiologically acceptable acid or metal salt which possesses fungicidal activity. Intermediates therefor wherein X is a keto group and with a halogen atom in place of either the pyridinyloxy group or the azole group are also new.
    Type: Grant
    Filed: July 9, 1981
    Date of Patent: January 24, 1984
    Assignee: Bayer Aktiengesellschaft
    Inventors: Udo Kraatz, Jorg Stetter, Karl H. Buchel, Paul-Ernst Frohberger, Wilhelm Brandes
  • Patent number: 4419361
    Abstract: 1-Phenoxy-1-imidazol-1-yl-4-fluoro-butane derivatives of the formula ##STR1## in which B is --CO- or --CH(OH)--,X is hydrogen or fluorine,Z each independently is halogen, alkyl, nitro, cyano, alkoxy-carbonyl or optionally substituted phenyl, andn is 0, 1, 2 or 3,or an acid or metal salt adduct thereof, which possess fungicidal properties.
    Type: Grant
    Filed: November 16, 1981
    Date of Patent: December 6, 1983
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfgang Kramer, Karl H. Buchel, Jorg Stetter, Paul-Ernst Frohberger, Wilhelm Brandes, Hans Scheinpflug
  • Patent number: 4415586
    Abstract: Fungicidally active acylated imidazolyl-.gamma.-fluoropiniacolyl derivatives of the formula ##STR1## in which R represents alkyl, alkenyl, alkynyl, alkoxy, alkoxyalkyl, cycloalkyl, halogenoalkyl, optionally substituted phenyl, optionally substituted phenylalkyl, optionally substituted phenoxyalkyl, alkylamino, dialkylamino, optionally substituted phenylamino, halogenoalkylamino, alkoxycarbonylamino or alkoxyalkylamino,X represents hydrogen or fluorine,Z represents halogen, alkyl, cycloalkyl, alkoxy, halogenoalkyl, alkylthio, alkoxycarbonyl, optionally substituted phenyl, optionally substituted phenoxy, optionally substituted phenylalkyl, cyano or nitro, each Z being selected independently, andn represents 0 or an integer from 1 to 5,or a physiologically acceptable acid addition salt or metal salt complex thereof.
    Type: Grant
    Filed: May 10, 1982
    Date of Patent: November 15, 1983
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfgang Kramer, Karl H. Buchel, Jorg Stetter, Paul-Ernst Frohberger, Wilhelm Brandes, Volker Paul
  • Patent number: 4406909
    Abstract: A fungicidally active 4-substituted-1-azolyl-1-phenoxy-3,3-dimethyl-butan-2-one or -ol of the formula ##STR1## in which A is a nitrogen atom or CH,B is --CO-- or CH(OH),R is cyano or X--R.sup.1,R.sup.1 is alkyl, optionally substituted aryl or optionally substituted aralkyl,X is oxygen, sulphur, SO or SO.sub.2,Z each independently is halogen, alkyl, halogenoalkyl, alkoxy, alkylthio, alkylsulphonyl, nitro, cyano, alkoxycarbonyl or optionally substituted phenyl, andn is 0, 1, 2 or 3,or an addition product thereof with a physiologically acceptable acid or with a metal salt. Intermediates therefor of the formula ##STR2## are also new.
    Type: Grant
    Filed: May 19, 1981
    Date of Patent: September 27, 1983
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfgang Kramer, Hans-Ludwig Elbe, Karl H. Buchel, Wilhelm Brandes, Paul-Ernst Frohberger
  • Patent number: 4400388
    Abstract: 1-Phenyl-2-(1,2,4-triazol-1-yl)-ethyl ethers of the formula ##STR1## in which R is halogen, alkyl, alkoxy, alkylthio, alkylsulfonyl, halogenoalkyl, nitro, cyano, optionally substituted phenyl or optionally substituted phenoxy,R' is alkyl, alkenyl, alkynyl, optionally substituted phenyl, optionally substituted benzyl or optionally substituted styryl, and n is 0, 1, 2 or 3,and their salts, which possess fungicidal and bactericidal properties.
    Type: Grant
    Filed: May 29, 1979
    Date of Patent: August 23, 1983
    Assignee: Bayer Aktiengesellschaft
    Inventors: Helmut Timmler, Karl H. Buchel, Wilhelm Brandes, Paul-Ernst Frohberger, Hans Scheinpflug
  • Patent number: 4397869
    Abstract: N-Sulphenylated ureas of the formula ##STR1## in which R.sup.1 to R.sup.6 each independently is hydrogen, halogen, nitro, cyano, alkyl, alkoxy, alkylmercapto, trihalogenomethyl-, trihalogenomethoxy or trihalogenomethylmercapto,R.sup.7 is hydrogen or alkyl, andn is 0, 1, 2 or 3,which possess fungicidal properties.
    Type: Grant
    Filed: August 7, 1981
    Date of Patent: August 9, 1983
    Assignee: Bayer Aktiengesellschaft
    Inventors: Engelbert Kuhle, Wilhelm Brandes, Paul-Ernst Frohberger
  • Patent number: 4396624
    Abstract: 1-(Azol-1-yl)-2-hydroxy-or-keto-pyridinyloxy-alkanes of the formula ##STR1## in which A is CH or N,R is alkylX is --CO--or --CH(OH)--Y is halogen, alkyl, halogenoalkyl, alkenyl, alkynyl, alkoxy, alkylthio, nitro, cyano, optionally substituted aryl or optionally substituted aryloxy, andn is 0, 1, 2 or 3,an acid addition salt thereof, or a metal salt complex thereof, which possess fungicidal properties.
    Type: Grant
    Filed: November 29, 1978
    Date of Patent: August 2, 1983
    Assignee: Bayer Aktiengesellschaft
    Inventors: Jorg Stetter, Udo Kraatz, Karl H. Buchel, Paul-Ernst Frohberger, Wilhelm Brandes, Volker Paul
  • Patent number: 4386088
    Abstract: An .alpha.-azolyl-keto derivative of the formula ##STR1## in which R.sup.1 represents optionally substituted alkyl or optionally substituted phenyl,R.sup.2 represents the grouping --CX.sup.1 X.sup.2 R.sup.3 or alkoxycarbonyl,R.sup.3 represents halogen, halogenoalkyl or optionally substituted phenyl,R.sup.4 represents the grouping --O--CO--R.sup.5, --O(S)--R.sup.6 or --O--S(O).sub.n --R.sup.7, or alkylamino, dialkylamino, optionally substituted phenylamino or halogen,R.sup.5 represents alkyl, halogenoalkyl, alkenyl, alkynyl, cycloalkyl, optionally substituted phenyl, optionally substituted phenylalkyl, alkylamino, dialkylamino or optionally substituted phenylamino,R.sup.6 represents alkyl, alkenyl, alkynyl, cycloalkyl, optionally substituted phenyl or optionally substituted benzyl,R.sup.7 represents alkyl, halogenoalkyl, optionally substituted phenyl or dialkylamino,n represents 1 or 2,X.sup.1 and X.sup.
    Type: Grant
    Filed: September 21, 1981
    Date of Patent: May 31, 1983
    Assignee: Bayer Aktiengesellschaft
    Inventors: Eckart Kranz, Wolfgang Kramer, Karl H. Buchel, Wilhelm Brandes, Paul-Ernst Frohberger
  • Patent number: RE31693
    Abstract: Synergistic fungicidal compositions comprising ##STR1## in which R.sup.1 is optionally substituted phenyl,R.sup.2 is hydrogen, alkyl or phenyl,R.sup.3 is alkyl, cycloalkyl, phenyl or chlorophenyl, andY is a keto group or a functional derivative thereof, and at least one member selected from the group consisting of(a) dithiocarbamates,(b) N-polyhaloalkyl-amines or -amides,(c) imidazole and benzimidazole derivatives,(d) optionally nitrated polyhalobenzenes,(e) N-sulphinyl-N'-aryl-hydrazines, and(f) sulphur or alkaline earth metal polysulphides.
    Type: Grant
    Filed: September 30, 1981
    Date of Patent: October 2, 1984
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wilhelm Brandes, Paul-Ernst Frohberger, Hans Scheinpflug, Wolfgang Kramer