(19)

(11)

EP 3 497 291 A1

(12)

(43) Date of publication: 19.06.2019 Bulletin 2019/25 (21) Application number: 16926044.5 (22) Date of filing: 28.09.2016

(51) International Patent Classification (IPC):  E04F 13/02(2006.01) C04B 26/00(2006.01) C04B 24/00(2006.01) C04B 28/00(2006.01) (86) International application number: PCT/HU2016/000064 (87) International publication number: WO 2018/138535 (02.08.2018 Gazette 2018/31)

(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: 10.08.2016 HU 1600485 (71) Applicant: László, Ferenc 1165 Budapest (HU)	(72) Inventor: László, Ferenc 1165 Budapest (HU) (74) Representative: Kaszás, Eszter  Maros utca 28, 1. em. 4 1122 Budapest 1122 Budapest (HU)