Patents by Inventor Ivan Belai

Ivan Belai 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).

  • Succinic acid derivatives and plant growth regulating compositions containing them
    Patent number: 4846883
    Abstract: New succinic acid derivatives of the formula ##STR1## wherein A represents hydrogen, a naphthoxyethyl group of formula (b), ##STR2## or a substituted phenoxyethyl group of the formula ##STR3## and in this latter formula R stands for hydrogen or C.sub.1-4 alkyl,R.sup.1 is hydrogen, halo or C.sub.1-4 alkyl, andR.sup.2 and R.sup.3 each stand for hydrogen or halo,and agriculturally acceptable salts thereof are prepared by reacting succinic anhydride with an aryloxyethanol of the formula ##STR4## The new succinic acid drivatives of the formula (I) possess plant growth regulating properties.
    Type: Grant
    Filed: January 30, 1987
    Date of Patent: July 11, 1989
    Assignee: Reanal Finomvegyszergyar
    Inventors: Gyorgy Matolcsy, Gyula Kerekes, Tamas Buban, Endre Vasarhelyi, Magda, nee Kalman Kovacs, Ivan Belai, Gerlei, Aniko, nee Komaromy
  • Novel carbamic acid ester derivatives, pesticidal compositions containing them and a process for their preparation
    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
  • .beta.-Cyclodextrine complex of benzene sulphonyl urea derivatives
    Patent number: 4672112
    Abstract: A new and improved herbicidal and plant growth regulating composition, and the method of manufacturing that composition. The new complex composition of the invention is an inclusion complex of one more benzene sulphonyl urea derivative of the general formula (II) ##STR1## and two or more moles of beta cyclodextrine of the formula (I).
    Type: Grant
    Filed: June 6, 1985
    Date of Patent: June 9, 1987
    Assignees: Magyar Tudomenyos Akademia Novenyvedelmi Kutato Intezete, Nitrokemia Ipartelepek
    Inventors: Gyorgy Matolcsy, Antal Gimesi, Krisztina Pelejtei nee Bauer, Janisz Sztatisz, Agota Tombor nee Szotyori, Tibor Cserhati, Aniko Gerlei nee Komaromy, Mariann Kardos nee Nikoletti, Jozsef Dukai, Dezso Sebok, Csaba Soptei, Lajos Nagy, Ivan Belai