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EP 3 233 938 A1

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(43) Date of publication: 25.10.2017 Bulletin 2017/43 (21) Application number: 15870929.5 (22) Date of filing: 16.12.2015

(51) International Patent Classification (IPC):  C08F 14/18(2006.01) C08K 5/05(2006.01) C08L 23/28(2006.01) (86) International application number: PCT/US2015/065932 (87) International publication number: WO 2016/100420 (23.06.2016 Gazette 2016/25)

(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 Designated Validation States: MA MD (30) Priority: 19.12.2014 GB 201422775 (71) Applicant: 3M Innovative Properties Company St. Paul, MN 55133-3427 (US)	(72) Inventors: GROOTAERT, Werner M.A. Saint Paul, Minnesota 55133-3427 (US) GUERRA, Miguel A. Saint Paul, Minnesota 55133-3427 (US) (74) Representative: Herzog, Fiesser & Partner Patentanwälte PartG mbB  Isartorplatz 1 80331 München 80331 München (DE)