(19)

(11)

EP 1 264 054 A1

(12)

(43) Date of publication: 11.12.2002 Bulletin 2002/50 (21) Application number: 01907296.6 (22) Date of filing: 27.02.2001

(51) International Patent Classification (IPC)7: E04D 1/20, C08F 255/02, C08L 27/06, C08F 14/06 (86) International application number: PCT/CA0100/243 (87) International publication number: WO 0106/9002 (20.09.2001 Gazette 2001/38)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 16.03.2000 CA 2301420 (71) Applicant: Royal Ecoproducts Limited Concord,Ontario L4K 4N9 (CA)	(72) Inventor: ZHANG, Chengjie Aurora, Ontario L4G 5H2 (CA) (74) Representative: Brooks, Nigel Samuel  Hill Hampton,East Meon Petersfield,Hampshire GU32 1QN Petersfield,Hampshire GU32 1QN (GB)