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).

  • 1-(1,2,4-Triazolyl-1')-2-phenoxy-4,4-dimethyl-pentan-3-ones
    Patent number: 3974174
    Abstract: 1-(1,2,4-TRIAZOLYL-1')-2-PHENOXY-4,4-DIMETHYL-PENTAN-3-ONES OF THE FORMULA ##SPC1##In whichn is an integer from 0 to 5,X is halogen, halogenoalkyl, alkyl, alkoxy, alkylthio, alkylsulfonyl, nitro, nitrile, carbalkoxy or phenyl, andY is a keto group or a functional derivative of a keto group,Or a salt thereof,Which possess fungicidal properties.
    Type: Grant
    Filed: June 27, 1974
    Date of Patent: August 10, 1976
    Assignee: Bayer Aktiengesellschaft
    Inventors: Karl Heinz Buchel, Wolfgang Kramer, Paul-Ernst Frohberger
  • 1-Phenoxy-1-[halo-1,2,4-triazolyl-(1)]-3,3-dimethyl-butan-2-ones
    Patent number: 3972891
    Abstract: 1-Phenoxy-1-[halo-1,2,4-triazolyl-(1)]-3,3-dimethyl-butan-2-ones of the formula ##SPC1##In whichX is halogen, nitro, alkyl, haloalkyl or phenyl,n is an integer from 0 to 5, andR.sup.1 and R.sup.2 each independently is halogen or hydrogen, provided at least one is halogen,Which possess fungicidal properties.
    Type: Grant
    Filed: June 28, 1974
    Date of Patent: August 3, 1976
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfgang Kramer, Karl Heinz Buchel, Wilhelm Brandes, Paul-Ernst Frohberger
  • Triazolyl-O,N-acetals
    Patent number: 3952002
    Abstract: Triazolyl-O,N-acetals of the formula ##EQU1## in which R.sup.1 and R.sup.4 each independently is alkyl, alkenyl, alkynyl, cycloalkyl, cycloalkenyl, aryl, or aralkyl,R.sup.2 and R.sup.3 each independently is hydrogen or one of the radicals mentioned under R.sup.1, andA is a 1,2,4-triazolyl-(1), 1,2,4-triazolyl-(4) or 1,2,3-triazolyl-(1)-radical,Which possess fungicidal and microbiostatic properties.
    Type: Grant
    Filed: April 30, 1974
    Date of Patent: April 20, 1976
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfgang Kramer, Karl Heinz Buchel, Werner Meiser, Helmut Kaspers, Paul-Ernst Frohberger
  • N-sulfinyl-N'-aryl-hydrazines
    Patent number: 3947513
    Abstract: N-sulfinyl-N'-aryl-hydrazines of the formula ##SPC1##In whichX is trifluoromethyl or trifluoromethoxy,n is 0, 1 or 2, andR is methyl, trifluoromethyl, methoxy or halogen, which possess fungicidal properties.
    Type: Grant
    Filed: September 4, 1973
    Date of Patent: March 30, 1976
    Assignee: Bayer Aktiengesellschaft
    Inventors: Engelbert Kuhle, Erich Klauke, Paul-Ernst Frohberger
  • Repellent aminoalkyldithiocarbamic acids
    Patent number: 3940488
    Abstract: Compositions and methods of using aminoalkyldithiocarbamic acids of the formula ##EQU1## in which Alk is an alkylene radical of 2 to 6 carbon atoms,Some of which are new, which possess strong fungicidal and animal-repellent properties.
    Type: Grant
    Filed: January 2, 1975
    Date of Patent: February 24, 1976
    Assignee: Bayer Aktiengesellschaft
    Inventors: Paul-Ernst Frohberger, Otto Ewald Urbschat, deceased, Gunther Hermann
  • 1-Phenoxy-[imidazolyl-(1)]-2-hydroxy-alkanes
    Patent number: 3940414
    Abstract: Imidazolyls of the formula ##EQU1## in which R.sup.1 is optionally substituted aryl,R.sup.2 is hydrogen, alkyl or optionally substituted aryl,R.sup.3 is hydrogen, alkyl, alkenyl, cycloalkyl, optionally substituted aryl or optionally substituted aralkyl, andR.sup.4 is alkyl, alkenyl, cycloalkyl, optionally substituted aryl or optionally substituted aralkyl,And their salts, which possess fungicidal and plant growth regulating properties.
    Type: Grant
    Filed: June 17, 1974
    Date of Patent: February 24, 1976
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfgang Kramer, Karl Heinz Buchel, Paul-Ernst Frohberger, Hans Scheinpflug
  • 1-(Imidazolyl-1)-2-aryloxy-3-hydroxy-alkanes
    Patent number: 3940415
    Abstract: 1-(IMIDAZOLYL-1')-2-ARYLOXY-3-HYDROXY-ALKANES OF THE FORMULA ##EQU1## in which R.sup.1 is optionally substituted aryl,R.sup.2 is hydrogen, alkyl, cycloalkyl, alkenyl, optionally substituted aryl or optionally substituted aralkyl, andR.sup.3 is alkyl or cycloalkyl, or can be hydrogen if R.sup.2 is not hydrogen,And their salts, which possess fungicidal properties.
    Type: Grant
    Filed: September 30, 1974
    Date of Patent: February 24, 1976
    Assignee: Bayer Aktiengesellschaft
    Inventors: Karl-Heinz Buchel, Wolfgang Kramer, Paul-Ernst Frohberger, Hans Scheinpflug
  • 2-Thiazolone-5-carboxylic acid ester fungicidal agents
    Patent number: 3932436
    Abstract: Fungicidal compositions containing, and methods of combating fungi using, 2-thiazolone-5-carboxylic acid ester fungicidal agents of the formula ##SPC1##In whichR.sup.1 is hydrogen; alkyl of up to 12 carbon atoms optionally substituted by phenyl, halophenyl or alkylphenyl with up to three carbon atoms in each alkyl radical; cyclopentyl; cyclohexyl; aryl; haloaryl; or alkylaryl with up to three carbon atoms in each alkyl radical,R.sup.2 is cyclopentyl; cyclohexyl; alkyl of up to 18 carbon atoms optionally substituted by cyclopentyl, cyclohexyl, lower alkoxy, phenoxy, nitrile, lower alkoxycarbonyl, phenyl, halophenyl or alkylphenyl, andR.sup.3 is hydrogen, trihalomethyl, lower alkoxycarbonyl, aryl, haloaryl, alkylaryl, or any of the radical set forth for R.sup.2,display strong fungicidal properties.
    Type: Grant
    Filed: October 26, 1973
    Date of Patent: January 13, 1976
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Grohe, Paul-Ernst Frohberger