Patents by Inventor Anna Kovasznay

Anna Kovasznay 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).

  • Composition and method for combatting weeds in cereals
    Patent number: 4220467
    Abstract: The invention relates to a composition for combatting weeds in cereals, which contains a (1:2) to (1:5) mixture of 2-tert.-butylamino-4-ethylamino-6-methylthio-1,3,5-triazine and S-ethyl-N,N-hexamethylene-thiocarbamate in an amount of 10 to 80%, along with a conventional carrier, diluent and/or dispersing agent.The invention relates further to a pre-emergent method of combatting weeds, primarily monocotyledons, in cereals, particularly in winter cereals. According to this method a total amount of 2.0 to 4.5 kg/ha of a (1:2) to (1:5) mixture of 2-tert.-butylamino-4-ethylamino-6-methylthio-1,3,5-triazine and S-ethyl-N,N-hexamethylene-thiocarbamate is applied onto the area to be treated.
    Type: Grant
    Filed: January 16, 1979
    Date of Patent: September 2, 1980
    Assignee: Eszakmagyarorszagi Vegyimuvek
    Inventors: Zsolt Dombay, Erzsebet Grega nee Toth, Ferenc Havelka, Anna Kovasznay