(19)

(11)

EP 2 499 171 A1

(12)

(43) Date of publication: 19.09.2012 Bulletin 2012/38 (21) Application number: 10830812.3 (22) Date of filing: 12.11.2010

(51) International Patent Classification (IPC):  C08F 8/00(2006.01) C08G 75/00(2006.01) C08F 8/42(2006.01) (86) International application number: PCT/US2010/056580 (87) International publication number: WO 2011/060293 (19.05.2011 Gazette 2011/20)

(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: 12.11.2009 US 281073 P (71) Applicant: Ndsu Research Foundation Fargo, ND 58108-6050 (US)	(72) Inventors: CHISHOLM, Bret, Ja West Fargo ND 58078 (US) ALAM, Samim Fargo ND 58102 (US) (74) Representative: Vossius & Partner  Siebertstrasse 4 81675 München 81675 München (DE)