(19)

(11)

EP 2 780 496 A2

(12)

(88) Date of publication A3: 19.09.2013 (43) Date of publication: 24.09.2014 Bulletin 2014/39 (21) Application number: 12791385.3 (22) Date of filing: 12.11.2012

(51) International Patent Classification (IPC):  D01D 1/09(2006.01) D01F 8/14(2006.01) D01D 5/22(2006.01) (86) International application number: PCT/US2012/064662 (87) International publication number: WO 2013/074453 (23.05.2013 Gazette 2013/21)

(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: 18.11.2011 US 201161561281 P (71) Applicant: E. I. Du Pont de Nemours and Company Wilmington, Delaware 19899 (US)	(72) Inventor: MADELEINE, Dennis Gerard Wilmington, Delaware 19803 (US) (74) Representative: Matthews, Derek Peter  Dehns St Bride's House 10 Salisbury Square London EC4Y 8JD London EC4Y 8JD (GB)