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(11)

EP 3 607 253 A1

(12)

(43) Date of publication: 12.02.2020 Bulletin 2020/07 (21) Application number: 18724613.7 (22) Date of filing: 03.04.2018

(51) International Patent Classification (IPC):  F24S 20/30(2018.01) E06B 3/67(2006.01) C03C 17/00(2006.01) (86) International application number: PCT/IB2018/052278 (87) International publication number: WO 2018/185646 (11.10.2018 Gazette 2018/41)

(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: KH MA MD TN (30) Priority: 05.04.2017 WO PCT/IB2017/051952 (71) Applicant: Ecole Polytechnique Fédérale de Lausanne (EPFL) 1015 Lausanne (CH)	(72) Inventors: MAUREE, Dasaraden 1110 Morges (CH) SCHUELER, Andreas 1018 Lausanne (CH) DIÉVART, Alexandre 82000 Montauban (FR) BOUVARD, Olivia Valérie Charlotte 1007 Lausanne (CH) (74) Representative: Grosfillier, Philippe  ANDRE ROLAND S.A. P.O. Box 5107 1002 Lausanne 1002 Lausanne (CH)