Patents by Inventor Josef Nemec

Josef Nemec 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).

  • Epipodophyllotoxinquinone glucoside derivatives, method of production and use
    Patent number: 4609644
    Abstract: Novel compounds having the structural formula: ##STR1## wherein R.sub.1 is hydrogen and R.sub.2 is alkyl, alkenyl, cycloalkyl, 2-furyl, 2-thienyl, aryl, aralkyl, aralkenyl, wherein the aromatic ring may be substituted by hydroxy, alkyl, alkoxy, halogen, amine, or nitro; or R.sub.1 and R.sub.2 are each and alkyl radical, or R.sub.1 and R.sub.2, together with the carbon atom to which they are attached, are a saturated cycloaliphatic ring, their methods of preparation, and the use of these new compounds as anti-cancer agents.
    Type: Grant
    Filed: June 15, 1984
    Date of Patent: September 2, 1986
    Assignee: St. Jude Children's Research Hospital
    Inventor: Josef Nemec