Patents by Inventor Stephen Kovatchev

Stephen Kovatchev 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).

  • Synthetic phospholipids, a process for their manufacture and their use
    Patent number: 4159988
    Abstract: Synthetic phospholipids having a varying phosphorus-nitrogen distance and a rocess for their manufacture are disclosed.
    Type: Grant
    Filed: January 18, 1978
    Date of Patent: July 3, 1979
    Assignee: Max-Planck-Gesellschaft zur Forderung der Wissenschaften e.V.
    Inventors: Hansjorg Eibl, Walter Diembeck, Stephen Kovatchev