Patents by Inventor Istvanne Daroczi nee Csuka

Istvanne Daroczi nee Csuka 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).

  • Maleimide and succinimide derivatives and herbicidal method of use thereof
    Patent number: 4353734
    Abstract: Compounds of the formulae ##STR1## are disclosed wherein R is hydrogen, halogen, phenyl, phenyl-C.sub.1 to C.sub.4 alkylthio, C.sub.1 to C.sub.6 alkylthio, C.sub.5 to C.sub.7 cycloalkylthio, phenylthio or phenylsulfonyl;R.sub.1 is amino, C.sub.5 to C.sub.7 cycloalkylamino, C.sub.1 to C.sub.6 alkylamino, C.sub.1 to C.sub.4 -alkoxy-substituted-phenyl-(C.sub.1 to C.sub.4 -alkylamino), phenylamino, naphthylamino, furfurylamino, phenyl-(C.sub.1 to C.sub.4)-alkylamino, phenylamino-substituted by C.sub.1 to C.sub.4 alkoxy, halogen or C.sub.1 to C.sub.4 alkyl or phenylsulfonyl.R.sub.2 is hydrogen; andR.sub.3 is C.sub.1 to C.sub.6 alkyl, alkoxy or phenyl. The compounds have herbicidal properties.
    Type: Grant
    Filed: July 24, 1978
    Date of Patent: October 12, 1982
    Assignee: Chinoin Gyogyszer es Vegyeszeti Termekek Gyara R.T.
    Inventors: Jeno Seres, Istvanne Daroczi nee Csuka, Janosne Varkonyi nee Slovicsko, Gabor Horvath, Ildiko Szilagyi, Belane Radvanyi nee Hegedus