(19)

(11)

EP 3 265 284 A1

(12)

(43) Date of publication: 10.01.2018 Bulletin 2018/02 (21) Application number: 15872030.0 (22) Date of filing: 22.12.2015

(51) International Patent Classification (IPC):  B27K 3/00(2006.01) B27K 3/34(2006.01) (86) International application number: PCT/FI2015/050932 (87) International publication number: WO 2016/102777 (30.06.2016 Gazette 2016/26)

(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: 22.12.2014 US 201462095068 P (71) Applicant: Aalto University Foundation 00076 Aalto Helsinki (FI)	(72) Inventors: ÖSTERBERG, Monika 02660 Espoo (FI) LOZHECHNIKOVA, Alina 00180 Helsinki (FI) (74) Representative: Sole, Timo  Leitzinger Oy, Tammasaarenkatu 1 00180 Helsinki 00180 Helsinki (FI)