Patents by Inventor Agnes Meszaros nee Szekrenyesi

Agnes Meszaros nee Szekrenyesi 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: 5072022
    Abstract: The invention relates to a novel herbicide composition, which comprises the (S) enantiomer or racemate of a compound of the general formula (I), ##STR1## wherein R stands for a methyl or ethyl group, as active ingredient in an amount of 0.01 to 95% by weight together with one or more solid and/or liquid carrier(s), preferably grist(s) of native or synthetic material(s) and/or with inert solvents(s), preferably xylene(s) and/or cyclohexanone; and optionally with surface active agents(s), preferably anionic and/or nonionic emulsifying or dispersing agent(s).The invention further relates to the above compounds of the general formula (I) as well as to a process for the preparation thereof.The compounds according to the invention possess an outstanding herbicidal effect (over 90%) and advantageous selectivity threshold values against cultivated plants.
    Type: Grant
    Filed: December 21, 1989
    Date of Patent: December 10, 1991
    Assignee: Budapest Vegyimuvek
    Inventors: Jozsef Bakos, Balint Heil, Imre Toth, Bela des, Istvan Gebhardt, Ferenc Bihari, Anna Durkonee Ponacz, Gyula Eifert, Jeno Kiraly, Eva Konok nee Horvath, Laszlo Lukacs, Agnes Meszaros nee Szekrenyesi, Bela Radvany, Lajos Sarosi
  • Patent number: 5008440
    Abstract: A herbicide composition, which comprises (S)-1'-methoxycarbonylethyl 2-bromo-5-(2-chloro-4-trifluoromethylphenoxy) benzoate or (S)-1'-ethoxycarbonylethyl 2-bromo-5-(2-chloro-4-trifluoromethylphenoxy)benzoate as active ingredient in an amount of 0.01 to 95.0% by weight together with one or more solid and/or liquid carriers, preferably grists of native or synthetic materials; and/or with inert solvents, preferably xylenes and/or cyclohexanone; and optionally with surface active agents, preferably anionic and/or nonionic emulsifying or dispersing agents.
    Type: Grant
    Filed: December 21, 1989
    Date of Patent: April 16, 1991
    Assignee: Budapesti Vegyimuvek
    Inventors: Jozsef Bakos, Balint Heil, Imre Toth, Bela des, Istvan Gebhardt, Ferenc Bihari, Anna Durko nee Ponacz, Gyula Eifert, Jeno Kiraly, Eva Konok nee Horvath, Laszlo Lukacs, Agnes Meszaros nee Szekrenyesi, Bela Radvany, Lajos Sarosi
  • Patent number: 4948420
    Abstract: The invention relates to new aryloxy phenoxy acyl malonates of the Formula I ##STR1## a process for the preparation thereof and herbicidal compositions comprising the same.In the Formula IR.sup.1 stands for hydrogen, halogen, trifluoromethyl, trifluoromethoxy or cyano;R.sup.2 represents hydrogen, halogen, or methyl; andR.sup.3 is C.sub.1-4 alkyl, and the R.sup.3 substitutents may be the same or different,X stands for --N.dbd. or --CH.dbd. andn is 0 or 1.The new compound of the Formula I possess valuable herbicidal properties.
    Type: Grant
    Filed: August 12, 1988
    Date of Patent: August 14, 1990
    Assignees: Budapesti Vegyimuvek, MTA Kozponti Mediai Kutato Intezet
    Inventors: Tamas Komives, Ferenc Dutka, Istvan Barta, Istvan Jablonkai, Agnes Hulesch, Ferenc Bihari, Gyula Eifert, Peter Bohus, Katalin Tromfos, Agnes Meszaros nee Szekrenyesi, Istvan Kuronya
  • Patent number: 4765825
    Abstract: The invention relates to new aryloxy phenoxy acyl malonates of the general Formula I ##STR1## a process for the preparation thereof and herbicidal compositions comprising the same.In the general Formula IR.sup.1 stands for hydrogen, halogen, trifluoromethyl, trifluoromethoxy or cyano;R.sup.2 represents hydrogen, halogen or methyl;R.sup.3 is C.sub.1-4 alkyl; and the R.sup.3 substituents may be the same or different,X stands for --N.dbd. or --CH.dbd. andn is 0 or 1.The compounds of the general Formula I may be prepared by reacting a compound of the general Formula II ##STR2## with a metal derivative of a malonate of the general Formula III ##STR3## or in the presence of a metal compound with a malonate of the general Formula III; or reacting a compound of the general Formula IV ##STR4## with a compound of the general Formula V; ##STR5## or reacting a compound of the general Formula VI ##STR6## with a compound of the general Formula VII ##STR7## (in which Formulae R.sup.1, R.sup.2, R.sup.
    Type: Grant
    Filed: September 23, 1986
    Date of Patent: August 23, 1988
    Assignees: Budapesti Vegyimuvek, MTA Kozponti Kemiai Kutato Intezet
    Inventors: Tamas Komives, Ferenc Dutka, Istvan Barta, Istvan Jablonkai, Agnes Hulesch, Ferenc Bihari, Gyula Eifert, Peter Bohus, Katalin Tromfos, Agnes Meszaros nee Szekrenyesi, Istvan Kuronya