Patents by Inventor Istvan Ujvari

Istvan Ujvari 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: 4745128
    Abstract: The present invention relates to pesticides containing carbamic acid ester derivatives of the formula (I), ##STR1## to pesticide compositions containing these compounds and to a process for their preparation.In the general formulaR.sup.1 is alkyl of from one to four carbon atoms;R.sup.2 represents alkyl of from one to four carbon atoms or (when X is alkyl of from one to twelve carbon atoms) alkyl of from one to twelve carbon atoms;R.sup.3 is H, methyl or ethyl;R.sup.4 and R.sup.5 are, independently from each other, H or halogen atoms;n=0, 1 or 2;X represents alkyl of from one to twelve carbon atoms or an 4-aryloxyphenoxyalkyl group of formula (II). ##STR2## The pesticide of the invention can be used for controlling insects and mites.
    Type: Grant
    Filed: January 9, 1987
    Date of Patent: May 17, 1988
    Assignee: Innofinance Altalanos Innovacios Penzintezet
    Inventors: Istvan Ujvari, Gyorgy Matolcsy, Ivan Belai, Laszlo Varjas, Bela Darvas
  • Patent number: 4364931
    Abstract: The invention relates to a composite insect attractant for male white-line dart moths [Scotia segetum] containing 7[Z]-dodecen-l-ol acetate of the formula [I] ##STR1## and 9[Z]-tetradecen-l-ol acetate of the formula [II] ##STR2## as active agents in a weight ratio of I to II of [50-99]:[50-1], optionally along with a liquid or solid adjuvant.Another object of the invention is an insect trap containing said composition and a process for attracting and trapping male white-line dart moths as well as a process for disrupting their mating by air permeation technique. The invention relates further to a novel process for the preparation of the active ingredients of the composition.
    Type: Grant
    Filed: December 24, 1980
    Date of Patent: December 21, 1982
    Assignee: Egyt Gyogyszervegyeszeti Gyar
    Inventors: Csaba Szantay, Lajos Novak, Miklos Toth, Jozsef Jakab, Attila Kis-Tamas, Istvan Ujvari