(19)
(11) EP 4 770 979 A1

(12)

(43) Date of publication:
08.07.2026 Bulletin 2026/28

(21) Application number: 24772803.3

(22) Date of filing: 27.08.2024
(51) International Patent Classification (IPC): 
C04B 28/14(2006.01)
C04B 111/00(2006.01)
 C04B 24/18(2006.01)
C04B 111/10(2006.01)
(52) Cooperative Patent Classification (CPC):
C04B 28/14; C04B 24/18; C04B 2111/0062; C04B 2111/1006
 
C-Sets:
  1. C04B 28/14, C04B 22/16, C04B 24/18, C04B 24/38, C04B 24/123, C04B 2103/10;
  2. C04B 24/18, C04B 20/04;
(86) International application number:
PCT/US2024/043992
(87) International publication number:
WO 2025/049443 (06.03.2025 Gazette 2025/10)
(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 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: 01.09.2023 US 202363580276 P
20.06.2024 US 202418749488

(71) Applicant: Knauf Gips KG
97346 Iphofen (DE)

(72) Inventor:
  • VILINSKA, Annamaria
    Chicago, Illinois 60641 (US)

(74) Representative: BSB Patentanwälte Schütte & Engelen Partnerschaft mbB 
Am Markt 10
59302 Oelde
59302 Oelde (DE)

   


(54) GYPSUM BOARDS PREPARED USING ECO-FRIENDLY DISPERSANTS AND RELATED SLURRIES AND METHODS