Patents by Inventor Zorica Mandic

Zorica Mandic 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).

  • 4-oxo-azetidine-2-sulfonic acids and their salts, processes for the preparation thereof and their use
    Patent number: 5250525
    Abstract: The invention relates to novel 4-oxo-azetidine-2-sulfonic acids and their salts or the formula I ##STR1## wherein: R.sup.1 =hydrogen, halogen, phenylacetamido;R.sup.2 =hydrogen, halogen, phenylacetamido, phenoxyacetamido, phthalimido, 5-methyl-3-o-chlorophenyl-isoxazole-4-carboxamido;R.sup.3 =hydrogen, alkali metal, alkaline earth metal, quaternary ammonium group;R.sup.4 =hydrogen, SO.sub.2 O.sup.-+ NBu.sub.4 -n, (CH.sub.3).sub.2 C.dbd.C--COOCH.sub.3, (CH.sub.3).sub.2 C.dbd.C--COOCH.sub.2 -Ph, (CH.sub.3).sub.2 C.dbd.C--COOCH.sub.2 --C.sub.6 H.sub.4 --NO.sub.2 -p, (CH.sub.3).sub.2 C.dbd.C--COOCH.sub.2 --C.sub.6 H.sub.4 --CH.sub.3 -m.The products (I) may be used as intermediates in the synthesis of beta-lactamic antibiotics or as components in antimicrobial preparations.
    Type: Grant
    Filed: February 11, 1992
    Date of Patent: October 5, 1993
    Assignee: Pliva Handels GmbH
    Inventors: Mice Kovacevic, Zorica Mandic, Mirjana Tomic, Zinka Brkic, Jure J. Herak, Irena Lukic