Patents by Inventor Erzsebet Dudar

Erzsebet Dudar 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: 4675431
    Abstract: The invention relates to new compounds of the general formula I ##STR1## wherein R.sub.1 is a straight or branched chained alkyl having 1 to 13 carbon atoms, optionally substituted with halogen, alkoxyalkyl containing 1 to 5 carbon atoms in the alkoxy and 1 to 4 carbon atoms in the alkyl moiety or phenyl;R.sub.2 is alkyl having 6 to 20 carbon atoms; alkoxyalkyl, phenoxyalkyl, furfuryl, cyclopropyl-alkyl, cyclopentyl, cycloheptyl, thiazolyl, triazolyl, thiazolinyl, pyridinyl, picolyl, benzimidazolyl, piperonyl, pirimidinyl, chlorobenzothiazolyl, benzyl, phenyl substituted with chloro and/or amino, or amino and alkyl, or amino and nitro groups, alkenyl, alkinyl, aminoalkyl, dialkylamino-alkyl, alkylaminoalkyl, alkylphosphonateammoniumalkyl, 3,5-dichlorophenyl-hidantoinyl, or thiadiazolyl optionally substituted with alkyl;R.sub.3 is hydrogen, phenyl, benzyl, alkenyl, alkyl, hydroxy, alkoxy or alkoxyalkyl; orR.sub.2 and R.sub.3 together stand for a 3,5-dichlorophenyl-hidantoinyl group;R.sub.
    Type: Grant
    Filed: July 18, 1986
    Date of Patent: June 23, 1987
    Assignee: Borsodi Vegyi Kombinat
    Inventors: Katalin Gorog nee Privitzer, Laszlo Bodnar, Erzsebet Dudar, Maria Kocsis nee Bagi, Sandor Gaal, Marta Tasnadi, Eva Egyhazi nee Csizmadia, Valeria M. Varga, Istvan Kajati, Gvorgy Kis, Janos Molnar, Bertalan Toth, Ilona Cserhati nee Botka, Tibor Kaptas, Sandor Csete
  • Patent number: 4661477
    Abstract: The invention relates to new compounds of the general formula I ##STR1## wherein R.sub.1 is a straight or branched chained alkyl having 1 to 13 carbon atoms, optionally substituted with halogen, alkoxyalkyl containing 1 to 5 carbon atoms in the alkoxy and 1 to 4 carbon atoms in the alkyl moiety or phenyl;R.sub.2 is alkyl having 6 to 20 carbon atoms; alkoxyalkyl, phenoxyalkyl, furfuryl, cyclopropyl-alkyl, cyclopentyl, cycloheptyl, thiazolyl, triazolyl, thiazolinyl, pyridinyl, picolyl, benzimidazolyl, piperonyl, pirimidinyl, chlorobenzothiazolyl, benzyl, phenyl substituted with chloro and/or amino, or amino and alkyl, or amino and nitro groups, alkenyl, alkinyl, aminoalkyl, dialkylamino-alkyl, alkylaminoalkyl, alkylphosphonateammoniumalkyl, 3,5-dichlorophenyl-hidantoinyl, or thiadiazolyl optionally substituted with alkyl;R.sub.3 is hydrogen, phenyl, benzyl, alkenyl, alkyl, hydroxy, alkoxy or alkoxyalkyl; orR.sub.2 and R.sub.3 together stand for a 3,5-dichlorophenyl-hidantoinyl group;R.sub.
    Type: Grant
    Filed: September 29, 1982
    Date of Patent: April 28, 1987
    Assignee: Borsodi Vegyi Kombinat
    Inventors: Katalin Gorog nee Privitzer, Laszlo Bodnar, Erzsebet Dudar, Maria Kocsis nee Bagi, Sandor Gaal, Marta Tasnadi, Eva Egyhazi nee Csizmadia, Valeria M. Varga, Istvan Kajati, Gyorgy Kis, Janos Molnar, Bertalan Toth, Ilona Cserhati nee Botka, Tibor Kaptas, Sandor Csete
  • Patent number: 4256481
    Abstract: A selective herbicide composition comprising as an active ingredient at least one herbicidal compound selected from the group of thiolcarbamate, triazine, chloroacetanilide, carbamide or phenoxyacetic acid herbicides in admixture with a quantity of 0.1 to 50% (by weight of the herbicidal compound) of a dichloroacetamide derivative of the formula I ##STR1## wherein X is oxygen, sulphur, SO or SO.sub.2,n is 0 or 1, andR.sub.1 and R.sub.2 are identical or different and represent hydrogen, alkyl or halophenyl, hydroxyl or nitro; orR.sub.1 and R.sub.2 together form a butylene, pentylene or hexylene group which can be substituted with one or two methyl groups,provided that if n=0, R.sub.1 and R.sub.2 are not for hydrogen, alkyl or substituted phenyl.
    Type: Grant
    Filed: March 2, 1979
    Date of Patent: March 17, 1981
    Assignee: Nitrokemia Ipartelepek
    Inventors: Ivan Gardi, Katalin Gorog nee Privitzer, Sandor Gaal, Erzsebet Dudar, Marie Kocsis nee Bagyl, Marta Tasnadi