(19)
(11) EP 4 739 624 A1

(12)

(43) Date of publication:
13.05.2026 Bulletin 2026/20

(21) Application number: 24736466.4

(22) Date of filing: 02.07.2024
(51) International Patent Classification (IPC): 
C01B 25/22(2006.01)
C05B 3/00(2006.01)
 C01B 25/32(2006.01)
C05B 11/04(2006.01)
(52) Cooperative Patent Classification (CPC):
C01B 25/22; C01B 25/324; C05B 3/00; C05B 11/04
(86) International application number:
PCT/EP2024/068587
(87) International publication number:
WO 2025/008341 (09.01.2025 Gazette 2025/02)
(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 Validation States:
MA TN

(30) Priority: 04.07.2023 EP 23183463

(71) Applicant: Prayon
4480 Engis (BE)

(72) Inventors:
  • HUMBLET, Gauthier
    4480 Engis (BE)
  • NINANE, Léon
    4480 Engis (BE)

   


(54) PROCESS FOR PRODUCING A PHOSPHATE CONTAINING PRODUCT FROM A PHOSPHATE SOURCE BY DIGESTION WITH SULPHURIC ACID