(19)

(11)

EP 1 713 737 A1

(12)

(43) Date of publication: 25.10.2006 Bulletin 2006/43 (21) Application number: 05707001.3 (22) Date of filing: 21.01.2005

(51) International Patent Classification (IPC):  C04B 7/52(2006.01) B30B 11/18(2006.01) B01J 2/22(2006.01) C04B 11/00(2006.01) B28B 3/14(2006.01) (86) International application number: PCT/EP2005/000696 (87) International publication number: WO 2005/070846 (04.08.2005 Gazette 2005/31)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR (30) Priority: 24.01.2004 GB 0401574 (71) Applicant: Imperial Chemical Industries Plc. London W1U 3AN (GB)	(72) Inventors: CHARNOCK, Ronald Scott Blunham, Bedfordshire MK44 3ND (GB) DEAMER, Derrick Frederick Royston, Hertfordshire SG8 7EF (GB) HEARN, Michelle Hazlemere, Buckinghamshire HP15 7EA (GB) (74) Representative: Ellis, Christopher Paul  ICI Paints Legal Affairs Dept. Patent & Trade Marks Section P.O. Box 1883 Wexham Road Slough, Berkshire SL2 5FD Slough, Berkshire SL2 5FD (GB)