(19)

(11)

EP 1 545 787 A2

(12)

(88) Date of publication A3: 08.04.2004 (43) Date of publication: 29.06.2005 Bulletin 2005/26 (21) Application number: 03766448.9 (22) Date of filing: 28.07.2003

(51) International Patent Classification (IPC)7: B03D 1/24, B01F 5/04 (86) International application number: PCT/GB2003/003300 (87) International publication number: WO 2004/012867 (12.02.2004 Gazette 2004/07)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR Designated Extension States: AL LT LV MK (30) Priority: 01.08.2002 GB 0217807 (71) Applicant: Axsia Serck Baker Limited Gloucester GL2 4AS (GB)	(72) Inventor: LANGE, Neville, Ernest HucclecoteGloucester GL3 3QH (GB) (74) Representative: Fyles, Julie Marie et al Wynne-Jones Laine & James,22 Rodney Road Cheltenham,Gloucestershire GL50 1JJ Cheltenham,Gloucestershire GL50 1JJ (GB)