Patents by Inventor Tschae S. Tschung

Tschae S. Tschung 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).

  • Structural analogs of natural phospholipids
    Patent number: 4221732
    Abstract: Structural analogs of natural phospholipids of the general formulae ##STR1## where R.sub.1 and R.sub.2 represent either hydrogen and/or saturated or unsaturated straight-chain and branched acyl radicals with 2 to 24 C-atoms and R.sub.3 an amino group or a substituted amino group of the formula ##STR2## and n is a number from 1-3, are useful in the preparation of stable liposomes useful as vehicles for pharmaceutical preparations.
    Type: Grant
    Filed: May 11, 1979
    Date of Patent: September 9, 1980
    Assignee: A. Nattermann & Cie. GmbH
    Inventors: Kurt Oette, Tschae S. Tschung