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EP 3 289 837 A1

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(43) Date of publication: 07.03.2018 Bulletin 2018/10 (21) Application number: 16789754.5 (22) Date of filing: 25.04.2016

(51) International Patent Classification (IPC):  H05B 37/02(2006.01) H05B 33/08(2006.01) F21V 23/00(2015.01) F21V 23/04(2006.01) (86) International application number: PCT/US2016/029125 (87) International publication number: WO 2016/178843 (10.11.2016 Gazette 2016/45)

(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: 01.05.2015 US 201514701886 24.03.2016 US 201662312595 P (71) Applicant: 3M Innovative Properties Company St. Paul, MN 55133-3427 (US)

(72) Inventors: MATHEWS, Mark G. Saint Paul, MN 55133-3427 (US) POCH, James F. Saint Paul, MN 55133-3427 (US) MCGRATH, Kayla A. Saint Paul, MN 55133-3427 (US) SWENSEN, Jake D. Saint Paul, MN 55133-3427 (US) SHAMLA, Blake R. Saint Paul, MN 55133-3427 (US) MEDEK, James C. Saint Paul, MN 55133-3427 (US) (74) Representative: Vossius & Partner Patentanwälte Rechtsanwälte mbB  Siebertstrasse 3 81675 München 81675 München (DE)