(19)

(11)

EP 2 209 957 A2

(12)

(88) Date of publication A3: 22.10.2009 (43) Date of publication: 28.07.2010 Bulletin 2010/30 (21) Application number: 08872862.1 (22) Date of filing: 07.11.2008

(51) International Patent Classification (IPC):  E04H 9/04(2006.01) E04C 2/26(2006.01) E04C 2/22(2006.01) E04H 9/02(2006.01) E04C 2/20(2006.01) (86) International application number: PCT/US2008/012574 (87) International publication number: WO 2009/108167 (03.09.2009 Gazette 2009/36)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (30) Priority: 13.11.2007 US 983980 (71) Applicants: Bayer MaterialScience LLC Pittsburgh, PA 15205-9741 (US) 3Form, Inc. Salt Lake City, UT 84119 (US)	(72) Inventors: PYLES, Robert, A. Bethel Park PA 15102-2306 (US) LORENZO, James, M. Mars PA 16046 (US) GOODSON, Raymond, L. Sandy UT 84093 (US) (74) Representative: Klimiuk, Meike  Bayer MaterialScience AG LP/PL, Q 18 51368 Leverkusen 51368 Leverkusen (DE)