Patents by Inventor Paul Ernst

Paul Ernst 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: 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: 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: 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: 4385061
    Abstract: Imidazolyl-vinyl ketones or carbinols of the formula ##STR1## in which A represents a keto group or a CH(OH) grouping,R.sup.1 represents an alkyl or halogenoalkyl radical andR.sup.2 represents an alkyl radical, an optionally substituted cycloalkyl or cycloalkenyl radical, a halogenoalkyl, alkoxyalkyl, alkylmercaptoalkyl, dialkylaminoalkyl or hydroxyalkyl radical, an optionally substituted alkenyl, alkinyl or alkeninyl radical, a phenylalkyl radical which is optionally substituted in the alkyl part and in the phenyl part, an optionally substituted indenyl or fluorenyl radical or an optionally substituted diphenylmethyl or triphenylmethyl radical,or acid addition products and metal salt complexes thereof which possess fungicidal activity.
    Type: Grant
    Filed: April 30, 1981
    Date of Patent: May 24, 1983
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Ludwig Elbe, Karl H. Buchel, Paul-Ernst Frohberger, Wilhelm Brandes
  • Patent number: 4382944
    Abstract: 1-Phenoxy-1-triazolyl-3-fluoromethyl-butane derivatives of the formula ##STR1## in which Az is 1,2,4-triazol-1-yl or 1,2,4-triazol-4-yl,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: October 2, 1981
    Date of Patent: May 10, 1983
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfgang Kramer, Karl H. Buchel, Jorg Stetter, Paul-Ernst Frohberger, Wilhelm Brandes, Hans Scheinpflug
  • Patent number: 4382933
    Abstract: 2-Methylene-3-substituted-4,5-bis-trifluoromethyl-imino-thiazolidines of the formula ##STR1## in which R.sup.1 represents optionally substituted alkyl, optionally substituted alkenyl, optionally substituted alkynyl, optionally substituted cycloalkyl, optionally substituted aryl, aralkyl, it being possible for the last-mentioned group to be substituted on the alkyl radical, or an amino group --NR.sup.4 R.sup.5, whereinR.sup.4 and R.sup.5 may be identical or different, each represent optionally substituted alkyl, or R.sup.4 and R.sup.5 together with the connecting nitrogen atom and optionally one or more further hetero-atoms, form a 4-membered to 12-membered heterocyclic ring,R.sup.2 represents cyano, alkoxycarbonyl, acyl, alkylsulphonyl or arylsulphonyl, the four last-mentioned groups being optionally substituted, or represents an amide or thioamide group, comprising the radical CO--NR.sup.6 R.sup.7 or CS--NR.sup.6 R.sup.7,whereinR.sup.6 represents hydrogen or alkyl andR.sup.
    Type: Grant
    Filed: May 28, 1981
    Date of Patent: May 10, 1983
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Grohe, Hans-Joachim Scholl, Volker Paul, Wilhelm Brandes, Paul-Ernst Frohberger
  • Patent number: 4380545
    Abstract: Triazolyl-benzyloxy-ketones or carbinols of the formula ##STR1## in which A is a keto group or a CH(OH) group,X is a halogen atom or an alkyl or halogenoalkyl radical, andn is 0, 1, 2, 3, 4 or 5,or an addition product thereof with a physiologically acceptable acid or metal salt, which possess fungicidal properties. Intermediates wherein A is a keto group and the azole group is replaced by chloride or bromine are also new.
    Type: Grant
    Filed: March 19, 1981
    Date of Patent: April 19, 1983
    Assignee: Bayer Aktiengesellschaft
    Inventors: Udo Kraatz, Gerhard Jager, Karl H. Buchel, Paul-Ernst Frohberger
  • Patent number: 4366152
    Abstract: Combating fungi with metal salt complexes of 1-phenyl-2-(1,2,4-triazol-1-yl)-ethanes of the formula ##STR1## in which R represents halogen, alkyl, alkoxy, alkylthio, alkylsulphonyl, halogenoalkyl, nitro, cyano, optionally substituted phenyl or optionally substituted phenoxy,R.sup.1 represents the grouping --O--R.sup.2, --S(O).sub.m --R.sup.3 or --O--CO--R.sup.4,R.sup.2 represents alkyl, alkenyl, alkynyl, cycloalkyl, optionally substituted aryl, optionally substituted araylalkyl or optionally substituted arylalkenyl,R.sup.3 represents hydrogen, alkyl, alkenyl, alkynyl, cycloalkyl, optionally substituted aryl, optionally substituted arylalkyl or optionally substituted arylalkenyl,R.sup.
    Type: Grant
    Filed: May 25, 1978
    Date of Patent: December 28, 1982
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfgang Kramer, Helmut Timmler, Karl H. Buchel, Wilhelm Brandes, Paul-Ernst Frohberger, Hans Scheinpflug
  • Patent number: 4364955
    Abstract: A 1-(substituted phenyl)-1-oximino-2-(1,2,4-triazol-1-yl)-ethanes of the formula ##STR1## in which R.sup.1 is alkyl with 1 to 4 carbon atoms, benzyl, or benzyl substituted once or twice with halogen and/or alkyl with 1 to 4 carbon atoms.R.sup.2 is hydrogen, alkyl with 1 to 4 carbon atoms or halogen, andR.sup.3 is alkyl or haloalkyl with 1 to 4 carbon atoms, and when R.sup.1 is alkyl, can also be phenyl, phenoxy, halophenyl or halophenoxy,or an acid addition salt or metal salt complex thereof which is fungicidally active.
    Type: Grant
    Filed: April 21, 1980
    Date of Patent: December 21, 1982
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfgang Kramer, Karl H. Buchel, Helmut Timmler, Wilhelm Brandes, Paul-Ernst Frohberger
  • Patent number: 4360528
    Abstract: 1-Azolyl-1-propen-3-ol of the formula ##STR1## in which R.sup.1 is an optionally substituted phenyl or phenoxy radical,R.sup.2 is an alkyl or cycloalkyl radical, or an optionally substituted phenyl radical, andY is N or CH,or physiologically acceptable acid addition salts or metal salt complexes thereof which possess fungicidal activity.
    Type: Grant
    Filed: July 2, 1980
    Date of Patent: November 23, 1982
    Assignee: Bayer Aktiengesellschaft
    Inventors: Gerhard Jager, Udo Kraatz, Karl H. Buchel, Paul-Ernst Frohberger, Wilhelm Brandes, Volker Paul
  • Patent number: 4360529
    Abstract: Combating fungi with a trisubstituted benzyl oxime ether of the formula ##STR1## in which R is halogen, alkyl or halogenoalkyl,n is 1, 2 or 3, andX, Y and Z each independently is alkyl, alkoxy or halogen, or Y and Z together are methylenedioxy,or a physiologically acceptable acid-addition salt or metal-salt complex thereof.
    Type: Grant
    Filed: October 29, 1980
    Date of Patent: November 23, 1982
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfgang Kramer, Hans-Joachim Knops, Karl H. Buchel, Wilhelm Brandes, Paul-Ernst Frohberger
  • Patent number: 4359470
    Abstract: Fungicidally active acylated triazolyl-.gamma.-fluoropinacolyl derivatives of the formula ##STR1## in which Az represents 1,2,4-triazol-1-yl or 1,2,4-triazol-4-yl,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 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 interger from 1 to 5, or a physiologically acceptable acid addition salt or metal salt complex thereof.
    Type: Grant
    Filed: September 17, 1980
    Date of Patent: November 16, 1982
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfgang Kramer, Karl Buchel, Jorg Stetter, Paul-Ernst Frohberger, Wilhelm Brandes
  • Patent number: 4357338
    Abstract: A 1-phenyl,1-oximino-2-(1,2,4-triazol-1-yl)-ethane of the formula ##STR1## in which R is halogen, alkyl, alkoxy, alkylthio, alkylsulphonyl, halogenoalkyl, nitro, cyano, optionally substituted phenyl or optionally substituted phenoxy,R' is alkyl, alkenyl, alkynyl, optionally substituted benzyl or optionally substituted styryl, andn is 0, 1, 2 or 3,or a salt thereof with a physiologically acceptable acid or a metal salt complex thereof which possesses fungicidal properties.
    Type: Grant
    Filed: November 7, 1980
    Date of Patent: November 2, 1982
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfgang Kramer, Karl H. Buchel, Helmut Timmler, Wilhelm Brandes, Paul-Ernst Frohberger
  • Patent number: 4349556
    Abstract: 1-Acyloxy-1-phenyl-2-azolyl-ethanes of the formula ##STR1## in which R represents halogen, alkyl, alkoxy, alkylthio, alkylsulphonyl, haloalkyl, nitro, cyano, optionally substituted phenyl or optionally substituted phenoxy,R' represents alkyl, alkenyl, alkynyl, cycloalkyl, haloalkyl, optionally substituted phenyl, optionally substituted phenylalkyl, optionally substituted phenoxyalkyl, amino, alkylamino, dialkylamino, alkyl-alkyl-carbonylamino or optionally substituted phenylamino,A represents a CH-group or a nitrogen atom, andn represents 0, 1, 2, 3, 4 or 5,or salts thereof, which possess fungicidal, bactericidal and nematicidal properties.
    Type: Grant
    Filed: June 8, 1977
    Date of Patent: September 14, 1982
    Assignee: Bayer Aktiengesellschaft
    Inventors: Helmut Timmler, Wolfgang Kramer, Karl H. Buchel, Wilhelm Brandes, Paul-Ernst Frohberger, Bernhard Homeyer