Patents by Inventor Yiannakis P. Yianni

Yiannakis P. Yianni 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).

  • Metal coating useful for rendering the surface of the metal biocompatible
    Patent number: 5556710
    Abstract: Compounds of formula (I), in which the groups R are hydrogen or C.sub.1-4 alkyl, n is from 2 to 4, X is alkylene, poly(ethoxy) or an aryl-containing group, Y is a valence bond or a divalent functional or heterocyclic group or a trivalent alkylene group, and Z is a sulphur-containing group which contains a thiol or disulphide group are useful to provide biocompatible treatments of metal surfaces, such as silver and gold surfaces. Processes for the preparation of the compounds, intermediates useful in such processes, articles having a metal surface treated with such compounds and processes of rendering metal surfaces biocompatible which comprise treating the metal surfaces with them.
    Type: Grant
    Filed: May 3, 1995
    Date of Patent: September 17, 1996
    Assignee: Biocompatibles Limited
    Inventors: Jeremy C. Russell, Yiannakis P. Yianni, Stephen A. Charles
  • Polymeric coating
    Patent number: 5496581
    Abstract: A process for coating a surface comprising applying a solution containing a polymer obtained by polymerizing a phospholipid of the following formula (I): ##STR1##
    Type: Grant
    Filed: November 10, 1993
    Date of Patent: March 5, 1996
    Assignee: Biocompatibles Limited
    Inventors: Yiannakis P. Yianni, Martin C. Wiles