(19)

(11)

EP 2 800 842 A1

(12)

(43) Date of publication: 12.11.2014 Bulletin 2014/46 (21) Application number: 13733695.4 (22) Date of filing: 04.01.2013

(51) International Patent Classification (IPC):  E04B 1/58(2006.01) E04B 1/98(2006.01) E04B 1/24(2006.01) (86) International application number: PCT/US2013/020364 (87) International publication number: WO 2013/103878 (11.07.2013 Gazette 2013/28)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 06.01.2012 US 201261584066 P (71) Applicant: OREGON STATE BOARD OF HIGHER EDUCATION ACTING BY AND THROUGH PORTLAND STATE UNIVERSITY Portland OR 97207-0751 (US)	(72) Inventor: DUSICKA, Peter Portland, OR 97225 (US) (74) Representative: Witte, Weller & Partner Patentanwälte mbB  Königstrasse 5 70173 Stuttgart 70173 Stuttgart (DE)