http://www.wipo.int/patentscope/search/en/detail.jsf?docId=WO2010003468&recNum=1&tab=NationalPhase&maxRec=&office=&prevFilter=&sortOption=&queryString= Office Entry Date National Number National Status European Patent Office (EPO) 15.12.2010 2008786520 Published: 30.03.2011 United States of America 11.01.2011 13003638 Published: 12.05.2011