(19)
(11)
EP 4 486 821 A1
(12)
(43)
Date of publication:
08.01.2025
Bulletin 2025/02
(21)
Application number:
23774076.6
(22)
Date of filing:
23.03.2023
(51)
International Patent Classification (IPC):
C08H
7/00
(2011.01)
C05F
11/02
(2006.01)
C07C
63/00
(2006.01)
B01D
11/02
(2006.01)
C07C
51/00
(2006.01)
C07G
99/00
(2009.01)
(52)
Cooperative Patent Classification (CPC):
B01D
9/0054
;
B01D
11/0284
;
B01D
11/0288
;
C05F
11/02
;
C07G
99/00
;
C08H
6/00
(86)
International application number:
PCT/HU2023/050011
(87)
International publication number:
WO 2023/180780
(
28.09.2023
Gazette 2023/39)
(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:
KH MA MD TN
(30)
Priority:
25.03.2022
HU 2200091
(71)
Applicant:
Draconic Technology Kft.
8100 Várpalota (HU)
(72)
Inventor:
SOLYMOSI, Péter
8420 Zirc (HU)
(74)
Representative:
Danubia Patent & Law Office LLC
Bajcsy-Zsilinszky út 16
1051 Budapest
1051 Budapest (HU)
(54)
PROCESS FOR THE PREPARATION OF FOOD-GRADE FULVIC ACID AND/OR HUMIC ACID