(19)

(11)

EP 1 358 051 A2

(12)

(88) Date of publication A3: 06.09.2002 (43) Date of publication: 05.11.2003 Bulletin 2003/45 (21) Application number: 01984969.4 (22) Date of filing: 14.11.2001

(51) International Patent Classification (IPC)7: B27N 1/00 (86) International application number: PCT/US0146/004 (87) International publication number: WO 0204/0234 (23.05.2002 Gazette 2002/21)

(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: 14.11.2000 US 248260 P 14.11.2000 US 248350 P (71) Applicant: Weyerhaeuser Company Federal Way, WA 98063-9777 (US)	(72) Inventors: GRAEF, Peter, A. Puyallup, WA 98374 (US) GRANT, Terry, M. Auburn, WA 98092 (US) (74) Representative: Trueman, Lucy Petra et al Barker Brettell,138 Hagley Road,Edgbaston Birmingham B16 9PW Birmingham B16 9PW (GB)