(19)

(11)

EP 2 566 525 A1

(12)

(43) Date of publication: 13.03.2013 Bulletin 2013/11 (21) Application number: 11720840.5 (22) Date of filing: 09.05.2011

(51) International Patent Classification (IPC):  A61L 9/01(2006.01) A61L 9/14(2006.01) (86) International application number: PCT/GB2011/050886 (87) International publication number: WO 2011/138620 (10.11.2011 Gazette 2011/45)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 07.05.2010 GB 201007660 (71) Applicant: Reckitt & Colman (Overseas) Limited Slough Berkshire SL1 3UH (GB)	(72) Inventor: GUY, John Jingzhou 434001 (CN) (74) Representative: Carlin, Robert George  Reckitt Benckiser Corporate Services Limited Legal Department - Patents Group Dansom Lane Hull HU8 7DS Hull HU8 7DS (GB)