(19)
(11) EP 4 816 418 A1

(12)

(43) Date of publication:
07.10.2026 Bulletin 2026/41

(21) Application number: 24827356.7

(22) Date of filing: 22.11.2024
(51) International Patent Classification (IPC): 
C08B 37/00(2006.01)
A61Q 19/10(2006.01)
(52) Cooperative Patent Classification (CPC):
C08B 37/0033; A61Q 19/10; A61Q 19/00
(86) International application number:
PCT/US2024/057020
(87) International publication number:
WO 2025/117353 (05.06.2025 Gazette 2025/23)
(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: 30.11.2023 US 202363604379 P

(71) Applicant: Lubrizol Advanced Materials, Inc.
Cleveland, OH 44141-3247 (US)

(72) Inventors:
  • TUCKER, Bryan S.
    Dunwoody, Georgia 30338 (US)
  • SIMS, Cary L.
    Cleveland, Ohio 44141-3247 (US)
  • RAFFERTY, Denise W.
    Cleveland, Ohio 44141-3247 (US)
  • ANDERSON, Eric H.
    Cleveland, Ohio 44141-3247 (US)
  • MORAN, Bryan P.
    Cleveland, Ohio 44141-3247 (US)
  • KHAKZAD ESFAHLAN, Fahimeh
    Cleveland, Ohio 44141-3247 (US)

(74) Representative: Santas, Jonatan 
Lubrizol Isaac Peral 17 (Pol. Industrial Camí Ral)
08850 Gavà (Barcelona)
08850 Gavà (Barcelona) (ES)

   


(54) CROSSLINKED AND HYDROPHOBICALLY MODIFIED XANTHAN GUM