Patents by Inventor Martin Kruger

Martin Kruger 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).

  • 6,7-dihydro-pyrazolo (1,5-A)(1,3,5)triazine-2-sulphonamides, processes for their preparation and their use as herbicides and plant growth regulators
    Patent number: 4892576
    Abstract: The invention relates to new 6,7-dihydropyrazole-[1,5-a][1,3,5]triazine-2-sulphonamides of general formula I ##STR1## in which Ar, R.sub.6, R.sub.7, R.sub.8, R.sub.9 and X have the meanings given in the description, processes for their preparation and their use as herbicides and plant growth regulants.
    Type: Grant
    Filed: June 30, 1988
    Date of Patent: January 9, 1990
    Assignee: Schering Aktiengesellschaft
    Inventors: Martin Kruger, Jurgen Westermann, Friedrich Arndt, Richard Rees, Russel G. Hunt
  • Herbicides
    Patent number: 4889553
    Abstract: Herbicidal triazole sulphonamides of the formula: ##STR1## and salts thereof, where: R.sup.1 represents hydrogen or a substituted or unsubstituted alkyl, alkenyl, alkynyl, cycloalkyl, aryl, aralkyl, acyl, alkoxycarbonyl, aminocarbonyl, sulphonyl or heterocyclic group;R.sup.2 represents hydrogen, halo, cyano, hydroxy, mercapto, a substituted or unsubstituted alkyl, alkenyl, alkynyl, alkoxy, alkylthio, alkylsulphinyl, alkylsulphonyl, acyl, alkoxycarbonyl, aminocarbonyl, aryl or amino group, or a heterocyclic group;R.sup.3 represents a substituted or unsubstituted heterocyclic, benzheterocyclic, aryl or aralkyl group; andR.sup.4 represents hydrogen, a substituted or unsubstituted alkyl, alkenyl, alkynyl, acyl, aroyl, alkylsulphonyl, alkoxycarbonyl, aminocarbonyl, aralkyl, or a group of the formula: ##STR2## where R.sup.1 and R.sup.2 are as defined hereinbefore, processes for their preparation and compositions containing them.
    Type: Grant
    Filed: May 15, 1987
    Date of Patent: December 26, 1989
    Assignee: Schering Agrochemicals
    Inventors: Graham P. Rowson, John C. Head, Jurgen Westermann, Martin Kruger, Friedrich Arndt, Richard Rees
  • (6,7-)dihydro-(1,2,4) triazolo (1,5-A) (1,3,5) Triazine-2-sulphonamides, and their use as herbicides and plant growth regulators
    Patent number: 4859231
    Abstract: The invention relates to new 6,7-dihydro-[1,2,4] triazolo-[1,5-a][1,3,5]triazine-2-sulphonamides of general formula I ##STR1## in which Ar, R.sub.6, R.sub.7, R.sub.8 and X have the meanings given in the description, processes from their preparation and their use as herbicides and plant growth regulants.
    Type: Grant
    Filed: December 18, 1987
    Date of Patent: August 22, 1989
    Assignee: Schering Aktiengesellschaft
    Inventors: Jurgen Westermann, Martin Kruger, Friedrich Arndt, Richard Rees, Clemens Kotter