Patents by Inventor Susana M. Sicardi

Susana M. Sicardi 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).

  • Bishydrazide quaternary salts and pharmaceutical compositions thereof
    Patent number: 4382941
    Abstract: The present invention relates to novel bishydrazide quaternary salts, useful as surfactants and antibacterial agents. The novel bishydrazide quaternary salts correspond to the general formula ##STR1## wherein R=(C.sub.9 -C.sub.19)alkyl, (C.sub.13 -C.sub.19)alkenyl, unsubstituted and substituted aryl;X.sup.- is an anion, andR.sub.1.sup.+ is a ##STR2## group pa The present invention also relates to processes of preparing the compounds of formula (I) and antibacterial compositions containing them.
    Type: Grant
    Filed: November 26, 1980
    Date of Patent: May 10, 1983
    Inventor: Susana M. Sicardi