Patents by Inventor Reinharad Kirstgen

Reinharad Kirstgen 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).

  • Alpha-phenylacrylic acid derivatives, their preparation and their use for controlling pests and harmful fungi
    Patent number: 5416068
    Abstract: .alpha.-Phenylacrylic acid derivatives I ##STR1## n=1; y=1;R.sup.1 =methylR.sup.2 =methyl, ethyl or methoxymethylR.sup.3 =H;R.sup.4 is 2,5-dimethylphenyl, 2,5-dichloropehnyl, 2-methyl-5-chlorophenyl, 2,4-dimethylphenyl, 2-chloro-5-methylphenyl, 2,3,5-trimethylphenyl or 2-methyl-5-isopropylphenyl.W=oxygen;A is --O--, --S--, --OCH.sub.2 --, --SCH.sub.2 --, --CH.dbd.CH--, --CO--OCH.sub.2 -- or --N(CH.sub.3) --CH.sub.2 --; methods for their preparation, agents containing them for combating injurious fungi and pests, and their use.
    Type: Grant
    Filed: January 3, 1994
    Date of Patent: May 16, 1995
    Assignee: BASF Aktiengesellschaft
    Inventors: Wassilios Grammenos, Reinharad Kirstgen, Klaus Oberdorf, Hubert Sauter, Franz Roehl, Rainer Otter, Eberhard Ammermann, Gisela Lorenz, Uwe Kardorff, Christoph Kuenast
  • .alpha.-phenylacrylic acid derivatives, their preparation and their use for controlling pests and harmful fungi
    Patent number: 5298527
    Abstract: .alpha.-Phenylacrylic acid derivatives I ##STR1## n=0 to 4; y=a;R.sup.1 =H; alkyl; alkenyl; alkynyl; substituted or unsubstituted cycloalkyl; vinyl or ethynyl when W is a direct bond;R.sup.2 =CN; alkenyl; alkynyl; substituted or unsubstituted cycloalkyl; substituted or unsubstituted alkyl;R.sup.3 =H; NO.sub.2 ; CN; halogen; alkyl; alkoxy; haloalkyl; haloalkoxy; alkylthio;or when n is 2, 3 or 4, two adjacent substituents R.sup.3 together form substituted or unsubstituted 1,3-butadien-1,4-diyl;R.sup.4 is phenyl which carries a radical --CR.sup.7 .dbd.NO--R.sup.8 and which may further carry one or two radicals;W=direct bond; oxygen; sulfur; substituted or unsubstituted nitrogen;and A can be an oxygen or sulfur radical.
    Type: Grant
    Filed: August 9, 1993
    Date of Patent: March 29, 1994
    Assignee: BASF Aktiengesellschaft
    Inventors: Wassilios Grammenos, Reinharad Kirstgen, Klaus Oberdorf, Hubert Sauter, Franz Roehl, Rainer Otter, Eberhard Ammermann, Gisela Lorenz, Uwe Kardorff, Christoph Kuenast