(19)

(11)

EP 2 398 950 A1

(12)

(43) Date of publication: 28.12.2011 Bulletin 2011/52 (21) Application number: 10706332.3 (22) Date of filing: 17.02.2010

(51) International Patent Classification (IPC):  D06F 35/00(2006.01) B08B 3/10(2006.01) (86) International application number: PCT/GB2010/050261 (87) International publication number: WO 2010/094959 (26.08.2010 Gazette 2010/34)

(84) Designated Contracting States: 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 SE SI SK SM TR (30) Priority: 17.02.2009 GB 0902619 (71) Applicant: Xeros Limited Leeds LS2 9DF (GB)	(72) Inventors: JENKINS, Stephen, Derek Middlesbrough Cleveland TS9 5AS (GB) WESTWATER, William, George Leeds Yorkshire LS8 1JB (GB) (74) Representative: Harrison Goddard Foote  Saviour House 9 St Saviourgate York YO1 8NQ York YO1 8NQ (GB)