(19)

(11)

EP 1 272 714 A1

(12)

(43) Date of publication: 08.01.2003 Bulletin 2003/02 (21) Application number: 01911015.4 (22) Date of filing: 21.02.2001

(51) International Patent Classification (IPC)7: E04B 2/86 (86) International application number: PCT/US0105/451 (87) International publication number: WO 0107/5244 (11.10.2001 Gazette 2001/41)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR (30) Priority: 31.03.2000 US 193626 P (71) Applicant: DOW GLOBAL TECHNOLOGIES INC. Midland, Michigan 48674 (US)	(72) Inventors: GRINSHPUN, Vyacheslav, D. Midland, MI 48642 (US) YOUNG, W., Scott Midland, MI 48674 (US) (74) Representative: Burford, Anthony Frederick et al W.H. Beck, Greener & Co.7 Stone BuildingsLincoln's Inn London WC2A 3SZ London WC2A 3SZ (GB)