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(11)

EP 4 396 496 A1

(12)

(43) Date of publication: 10.07.2024 Bulletin 2024/28 (21) Application number: 22865860.5 (22) Date of filing: 02.09.2022

(51) International Patent Classification (IPC):  F23C 3/00(2006.01) F23D 14/70(2006.01) F23D 14/12(2006.01) F23N 5/00(2006.01) (52) Cooperative Patent Classification (CPC): F23C 3/002; F23D 2900/11401 (86) International application number: PCT/US2022/075953 (87) International publication number: WO 2023/034999 (09.03.2023 Gazette 2023/10)

(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: 03.09.2021 US 202163260902 P (71) Applicant: Saint-Gobain Ceramics & Plastics Inc. Worcester, Massachusetts 01615-0138 (US)	(72) Inventors: NAKANISHI, Bradley Andover, Massachusetts 01810 (US) GOUGEON, Pierre 75018 Paris (FR) BRISELDEN, Thomas D. Worcester, Massachusetts 01606 (US) ESJUNIN, Evgeniy E. Dunstable, Massachusetts 01827 (US) GOULAS, Catherine 93303 Aubervilliers (FR) (74) Representative: Zimmermann & Partner Patentanwälte mbB  P.O. Box 330 920 80069 München 80069 München (DE)