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EP 4 111 013 A1

(12)

(43) Date of publication: 04.01.2023 Bulletin 2023/01 (21) Application number: 21708927.5 (22) Date of filing: 19.02.2021

(51) International Patent Classification (IPC):  E04F 15/08(2006.01) C04B 41/63(2006.01) H05F 3/02(2006.01) C04B 41/71(2006.01) (52) Cooperative Patent Classification (CPC): C04B 41/63; C04B 41/71; C04B 2111/60; C04B 2111/94; E04F 15/08; H05F 3/025; C04B 41/009; C04B 41/483; C04B 41/52; E04F 15/105; E04F 15/107; E04F 15/02405   C-Sets: C04B 41/52, C04B 41/0045, C04B 41/483, C04B 41/51, C04B 2103/54; C04B 41/52, C04B 41/0045, C04B 41/483, C04B 41/5027, C04B 41/522, C04B 2103/54; C04B 41/52, C04B 41/0045, C04B 41/483, C04B 41/5072, C04B 41/522, C04B 2103/54; C04B 41/52, C04B 41/4572; C04B 41/52, C04B 41/0045, C04B 41/483, C04B 41/51; C04B 41/009, C04B 20/0048, C04B 28/14; C04B 41/52, C04B 41/0045, C04B 41/483, C04B 41/5072, C04B 41/522; C04B 41/483, C04B 41/0045, C04B 41/51; C04B 41/52, C04B 41/0045, C04B 41/483, C04B 41/5027, C04B 41/522; C04B 41/483, C04B 41/0045, C04B 41/5027; C04B 41/483, C04B 41/0045, C04B 41/5072; (86) International application number: PCT/EP2021/000017 (87) International publication number: WO 2021/170288 (02.09.2021 Gazette 2021/35)

(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: 26.02.2020 EP 20000082 (71) Applicant: Knauf Gips KG 97346 Iphofen (DE)	(72) Inventors: RIEßLER, Markus 74549 Wolpertshausen (DE) RATZEK, Lukas 97074 Würzburg (DE)