(19)
(11) EP 4 479 508 A1

(12)

(43) Date of publication:
25.12.2024 Bulletin 2024/52

(21) Application number: 23703448.3

(22) Date of filing: 07.02.2023
(51) International Patent Classification (IPC): 
C11D 3/20(2006.01)
C11D 11/00(2006.01)
(52) Cooperative Patent Classification (CPC):
C11D 3/2093; C11D 2111/14
(86) International application number:
PCT/EP2023/053002
(87) International publication number:
WO 2023/152136 (17.08.2023 Gazette 2023/33)
(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: 14.02.2022 EP 22156473

(71) Applicants:
  • Unilever IP Holdings B.V.
    3013 AL Rotterdam (NL)

    AL AT BE BG CH CZ DK EE ES FI FR GR HR HU IS LI LT LU LV MC ME MK NL NO PL PT RO SE SI SK SM 
  • Unilever Global IP Limited
    Wirral, Merseyside CH62 4ZD (GB)

    CY DE GB IE IT MT RS TR 

(72) Inventors:
  • RAJENDIRAN, Ganesan
    6708 WH Wageningen (NL)
  • SYED, Shah Faisal
    6708 WH Wageningen (NL)
  • THIRUMENI, Dhanalakshmi
    6708 WH Wageningen (NL)

(74) Representative: Corsten, Michael Allan 
Unilever Patent Group Bronland 14
6708 WH Wageningen
6708 WH Wageningen (NL)

   


(54) A FOAMING ACIDIC HARD SURFACE CLEANING COMPOSITION