Patents by Inventor Thomas Kükenhöhner

Thomas Kükenhöhner 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).

  • Process for the preparation of 4-methylenetetrahydropyran
    Patent number: 5001242
    Abstract: The preparation of 4-methylenetetrahydropyran (I) by reacting 3-methylenepentane-1,5-diol with a sulfohalide in the presence of an aqueous mineral base. Compound I serves as an intermediate in organic syntheses.
    Type: Grant
    Filed: July 3, 1990
    Date of Patent: March 19, 1991
    Assignee: BASF Aktiengesellschaft
    Inventors: Thomas Kuekenhoehner, Wolfgang Spiegler, Norbert Goetz, Wolfgang Rohr
  • Isoxazolines, their preparation and their use
    Patent number: 4983210
    Abstract: Isoxazolines of the general formula I ##STR1## where the substituents have the following meanings: R.sup.1 is C.sub.1 -C.sub.12 -alkyl, C.sub.3 -C.sub.7 -cycloalkyl, substituted or unsubstituted phenyl, or a saturated or unsaturated 5- or 6-membered heterocycle;R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 are hydrogen, C.sub.1 -C.sub.4 -alkyl or benzyl andR.sup.7 is substituted or unsubstituted C.sub.2 -C.sub.6 -alkenyl, C.sub.5 -C.sub.7 -cycloalkenyl, phenyl, naphthyl or thienyl,processes for their manufacture, and their use.
    Type: Grant
    Filed: March 22, 1989
    Date of Patent: January 8, 1991
    Assignee: BASF Aktiengesellschaft
    Inventors: Joachim Rheinheimer, Karl Eicken, Hans Theobald, Thomas Kuekenhoehner, Karl-Otto Westphalen, Bruno Wuerzer, Juergen Frank, Norbert Meyer
  • (p-Phenoxyphenoxy)-methyl-five-membered hetaryls
    Patent number: 4943584
    Abstract: Novel (p-phenoxyphenoxy)-methyl-five-membered heeroaromatic radicals of the formula ##STR1## where the substituents have the following meanings: R.sup.1, R.sup.2, R.sup.3 hydrogen, halogen, C.sub.1 -C.sub.8 -alkyl, C.sub.1 -C.sub.8 -alkoxy, C.sub.1 -C.sub.4 -haloalkyl, C.sub.1 -C.sub.4 -haloalkoxy, C.sub.3 -C.sub.10 -cycloalkyl, nitro or cyano,R.sup.4 hydrogen or C.sub.1 -C.sub.4 -alkyl, and a five-membered heteroaromatic ring, and their use for combating pests.
    Type: Grant
    Filed: April 20, 1988
    Date of Patent: July 24, 1990
    Assignee: BASF Aktiengesellschaft
    Inventors: Hans Theobald, Christoph Kuenast, Peter Hofmeister, Hans-Juergen Neubauer, Thomas Kuekenhoehner, Wolfgang Krieg, Joachim Leyendecker, Uwe Kardorff
  • N,N'-disubstituted piperazines
    Patent number: 4935426
    Abstract: N,N'-disubstituted piperazines of the general formula I ##STR1## where the group is unsaturated (.dbd.) or saturated (--) and the substituents R.sup.1, R.sup.2 and A have the following meanings:A is --, --CH.dbd., --CH.sub.2 --, --CH.sub.2 --CH.sub.2 --,R.sup.1 is alkyl, alkenyl, alkynyl, cycloalkyl, cycloalkenyl, alkylcycloalkyl, cycloalkenylalkyl, alkylcycloalkenyl, bicycloalkyl, bicycloalkylalkyl or alkylbicycloalkyl, these radicals being unsubstituted or substituted by hydroxy, halogen, alkoxy or trialkylsilyl,R.sup.1 is further heterocycloalkyl with oxygen and/or sulfur, heterocycloalkylmethyl with oxygen and/or sulfur, alkyl-substituted heterocycloalkylmethyl with oxygen and/or sulfur, andR.sup.2 is alkyl, alkoxy, trimethylsilyl, cycloalkyl, alkylthio,and plant-physiologically tolerated salts thereof, and fungicides containing these compounds.
    Type: Grant
    Filed: February 8, 1989
    Date of Patent: June 19, 1990
    Assignee: BASF Aktiengesellschaft
    Inventors: Matthias Zipplies, Hubert Sauter, Franz Roehl, Thomas Kuekenhoehner, Lothar Janitschke, Eberhard Ammermann, Gisela Lorenz