(19)

(11)

EP 3 019 652 A1

(12)

(43) Date of publication: 18.05.2016 Bulletin 2016/20 (21) Application number: 14823762.1 (22) Date of filing: 09.07.2014

(51) International Patent Classification (IPC):  D03D 15/00(2006.01) (86) International application number: PCT/US2014/045904 (87) International publication number: WO 2015/006415 (15.01.2015 Gazette 2015/02)

(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 Designated Extension States: BA ME (30) Priority: 12.07.2013 KR 20130082366 (71) Applicant: 3M Innovative Properties Company Saint Paul, MN 55133-3427 (US)	(72) Inventor: EUN, Sang-Won Seoul 150-705 (KR) (74) Representative: Vossius & Partner Patentanwälte Rechtsanwälte mbB  Siebertstrasse 3 81675 München 81675 München (DE)