(19)
(11) EP 4 798 548 A1

(12)

(43) Date of publication:
02.09.2026 Bulletin 2026/36

(21) Application number: 24790506.0

(22) Date of filing: 15.10.2024
(51) International Patent Classification (IPC): 
C03B 5/02(2006.01)
C03B 1/00(2006.01)
 C03B 5/235(2006.01)
C03C 3/087(2006.01)
(52) Cooperative Patent Classification (CPC):
C03B 5/02; C03B 5/235; C03B 1/00; C03C 3/087
(86) International application number:
PCT/EP2024/079032
(87) International publication number:
WO 2025/087737 (01.05.2025 Gazette 2025/18)
(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA
Designated Validation States:
GE KH MA MD TN

(30) Priority: 26.10.2023 EP 23205998

(71) Applicant: S.A. LHOIST RECHERCHE ET DEVELOPPEMENT
1342 Ottignies-Louvain-la-Neuve (BE)

(72) Inventors:
  • LORGOUILLOUX, Marion
    7110 Strépy Bracquegnies (BE)
  • CRINIERE, Guillaume
    1420 Braine-l'Alleud (BE)

(74) Representative: Calysta NV 
Lambroekstraat 5a
1831 Diegem
1831 Diegem (BE)

   


(54) GLASS MANUFACTURING PROCESS USING BURNT RAW MATERIALS AS CALCIUM AND/OR CALCIUM-MAGNESIUM SOURCE IN A HIGH-CAPACITY FURNACE