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Extract from the Register of European Patents

EP About this file: EP4256010

EP4256010 - COMPOSITION [Right-click to bookmark this link]
StatusThe patent has been granted
Status updated on  14.06.2024
Database last updated on 19.03.2026
FormerGrant of patent is intended
Status updated on  11.02.2024
FormerRequest for examination was made
Status updated on  08.09.2023
FormerThe international publication has been made
Status updated on  17.06.2022
Formerunknown
Status updated on  03.12.2021
Most recent event   Tooltip13.03.2026Lapse of the patent in a contracting state
New state(s): HU		published on 15.04.2026 [2026/16]
Applicant(s)For:AL  AT  BE  BG  CH  CZ  DK  EE  ES  FI  FR  GR  HR  HU  IS  LI  LT  LU  LV  MC  MK  NL  NO  PL  PT  RO  SE  SI  SK  SM 
Unilever IP Holdings B.V.
Bronland 14
6708 WH Wageningen / NL
For:CY  DE  GB  IE  IT  MT  RS  TR 
Unilever Global IP Limited
Port Sunlight
Wirral, Merseyside CH62 4ZD / GB
[2025/39]
Former [2023/41]For:AL  AT  BE  BG  CH  CZ  DK  EE  ES  FI  FR  GR  HR  HU  IS  LI  LT  LU  LV  MC  MK  NL  NO  PL  PT  RO  SE  SI  SK  SM 
Unilever IP Holdings B.V.
Weena 455
3013 AL Rotterdam / NL
For:CY  DE  GB  IE  IT  MT  RS  TR 
Unilever Global IP Limited
Port Sunlight
Wirral, Merseyside CH62 4ZD / GB
Inventor(s)01 / BATCHELOR, Stephen, Norman
Wirral, CH63 3JW / GB
02 / BURNHAM, Neil, Stephen
Wirral, CH63 3JW / GB
 [2023/41]
Representative(s)Unilever Patent Group
Bronland 14
6708 WH Wageningen / NL
[N/P]
Former [2023/41]Brooijmans, Rob Josephina Wilhelmus
Unilever Patent Group
Bronland 14
6708 WH Wageningen / NL
Application number, filing date21811400.726.11.2021
[2023/41]
WO2021EP83173
Priority number, dateEP2020021217107.12.2020         Original published format: EP 20212171
[2023/41]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2022122417
Date:16.06.2022
Language:EN
[2022/24]
Type: A1 Application with search report 
No.:EP4256010
Date:11.10.2023
Language:EN
The application published by WIPO in one of the EPO official languages on 16.06.2022 takes the place of the publication of the European patent application.
[2023/41]
Type: B1 Patent specification 
No.:EP4256010
Date:17.07.2024
Language:EN
[2024/29]
Search report(s)International search report - published on:EP16.06.2022
ClassificationIPC:C11D1/00, C11D1/29, C11D1/72, C11D1/83, C11D17/00, C11D3/40
[2023/41]
CPC:
C11D17/0008 (EP); C11D1/83 (EP,US); C11D3/349 (US);
C11D3/40 (EP); C11D3/42 (US); C11D3/50 (US);
C11D1/29 (EP,US); C11D1/72 (EP,US); C11D2111/12 (US) (-)
Designated contracting statesAL,   AT,   BE,   BG,   CH,   CY,   CZ,   DE,   DK,   EE,   ES,   FI,   FR,   GB,   GR,   HR,   HU,   IE,   IS,   IT,   LI,   LT,   LU,   LV,   MC,   MK,   MT,   NL,   NO,   PL,   PT,   RO,   RS,   SE,   SI,   SK,   SM,   TR [2023/41]
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:ZUSAMMENSETZUNG[2023/41]
English:COMPOSITION[2023/41]
French:COMPOSITION[2023/41]
Entry into regional phase23.05.2023National basic fee paid 
23.05.2023Designation fee(s) paid 
23.05.2023Examination fee paid 
Examination procedure01.04.2022Request for preliminary examination filed
International Preliminary Examining Authority: EP
23.05.2023Examination requested  [2023/41]
23.05.2023Date on which the examining division has become responsible
12.02.2024Communication of intention to grant the patent
10.06.2024Fee for grant paid
10.06.2024Fee for publishing/printing paid
10.06.2024Receipt of the translation of the claim(s)
Opposition(s)Opponent(s)01  26.03.2025  27.03.2025  ADMISSIBLE
Dalli-Werke GmbH & Co. KG
Zweifaller Strasse 120
52224 Stolberg / DE
Opponent's representative
f & e patent
Braunsberger Feld 29
51429 Bergisch Gladbach / DE
 02  14.04.2025  15.04.2025  ADMISSIBLE
Henkel AG & Co. KGaA
Henkelstrasse 67
40589 Düsseldorf / DE
 [2025/21]
Former [2025/18]
Opponent(s)01  26.03.2025  27.03.2025  ADMISSIBLE
Dalli-Werke GmbH & Co. KG
Zweifaller Strasse 120
52224 Stolberg / DE
Opponent's representative
f & e patent
Braunsberger Feld 29
51429 Bergisch Gladbach / DE
08.05.2025Invitation to proprietor to file observations on the notice of opposition
04.09.2025Reply of patent proprietor to notice(s) of opposition
01.09.2026Date of oral proceedings
Fees paidRenewal fee
24.11.2023Renewal fee patent year 03
Opt-out from the exclusive  Tooltip
competence of the Unified
Patent Court		 See the Register of the Unified Patent Court for opt-out data
Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Lapses during opposition  TooltipHU26.11.2021
AT17.07.2024
BG17.07.2024
CZ17.07.2024
DK17.07.2024
EE17.07.2024
FI17.07.2024
HR17.07.2024
IT17.07.2024
LV17.07.2024
MC17.07.2024
NL17.07.2024
PL17.07.2024
RO17.07.2024
SE17.07.2024
SK17.07.2024
SM17.07.2024
NO17.10.2024
RS17.10.2024
GR18.10.2024
IS17.11.2024
PT18.11.2024
IE26.11.2024
LU26.11.2024
BE30.11.2024
CH30.11.2024
[2026/16]
Former [2026/10]AT17.07.2024
BG17.07.2024
CZ17.07.2024
DK17.07.2024
EE17.07.2024
FI17.07.2024
HR17.07.2024
IT17.07.2024
LV17.07.2024
MC17.07.2024
NL17.07.2024
PL17.07.2024
RO17.07.2024
SE17.07.2024
SK17.07.2024
SM17.07.2024
NO17.10.2024
RS17.10.2024
GR18.10.2024
IS17.11.2024
PT18.11.2024
IE26.11.2024
LU26.11.2024
BE30.11.2024
CH30.11.2024
Former [2025/48]AT17.07.2024
BG17.07.2024
CZ17.07.2024
DK17.07.2024
EE17.07.2024
FI17.07.2024
HR17.07.2024
LV17.07.2024
MC17.07.2024
NL17.07.2024
PL17.07.2024
RO17.07.2024
SE17.07.2024
SK17.07.2024
SM17.07.2024
NO17.10.2024
RS17.10.2024
GR18.10.2024
IS17.11.2024
PT18.11.2024
IE26.11.2024
LU26.11.2024
BE30.11.2024
CH30.11.2024
Former [2025/47]AT17.07.2024
BG17.07.2024
CZ17.07.2024
DK17.07.2024
EE17.07.2024
FI17.07.2024
HR17.07.2024
LV17.07.2024
MC17.07.2024
NL17.07.2024
PL17.07.2024
RO17.07.2024
SE17.07.2024
SK17.07.2024
SM17.07.2024
NO17.10.2024
RS17.10.2024
GR18.10.2024
IS17.11.2024
PT18.11.2024
LU26.11.2024
BE30.11.2024
CH30.11.2024
Former [2025/42]AT17.07.2024
BG17.07.2024
CZ17.07.2024
DK17.07.2024
EE17.07.2024
FI17.07.2024
HR17.07.2024
LV17.07.2024
MC17.07.2024
NL17.07.2024
PL17.07.2024
RO17.07.2024
SE17.07.2024
SK17.07.2024
SM17.07.2024
NO17.10.2024
RS17.10.2024
GR18.10.2024
IS17.11.2024
PT18.11.2024
LU26.11.2024
CH30.11.2024
Former [2025/35]AT17.07.2024
BG17.07.2024
CZ17.07.2024
DK17.07.2024
EE17.07.2024
FI17.07.2024
HR17.07.2024
LV17.07.2024
MC17.07.2024
NL17.07.2024
PL17.07.2024
RO17.07.2024
SK17.07.2024
SM17.07.2024
NO17.10.2024
RS17.10.2024
GR18.10.2024
IS17.11.2024
PT18.11.2024
LU26.11.2024
CH30.11.2024
Former [2025/34]AT17.07.2024
BG17.07.2024
CZ17.07.2024
DK17.07.2024
EE17.07.2024
FI17.07.2024
HR17.07.2024
LV17.07.2024
MC17.07.2024
NL17.07.2024
PL17.07.2024
RO17.07.2024
SK17.07.2024
SM17.07.2024
NO17.10.2024
RS17.10.2024
GR18.10.2024
IS17.11.2024
PT18.11.2024
LU26.11.2024
Former [2025/33]AT17.07.2024
BG17.07.2024
CZ17.07.2024
DK17.07.2024
EE17.07.2024
FI17.07.2024
HR17.07.2024
LV17.07.2024
MC17.07.2024
NL17.07.2024
PL17.07.2024
RO17.07.2024
SK17.07.2024
SM17.07.2024
NO17.10.2024
RS17.10.2024
GR18.10.2024
IS17.11.2024
PT18.11.2024
Former [2025/23]AT17.07.2024
BG17.07.2024
CZ17.07.2024
DK17.07.2024
EE17.07.2024
FI17.07.2024
HR17.07.2024
LV17.07.2024
NL17.07.2024
PL17.07.2024
RO17.07.2024
SK17.07.2024
SM17.07.2024
NO17.10.2024
RS17.10.2024
GR18.10.2024
IS17.11.2024
PT18.11.2024
Former [2025/21]AT17.07.2024
BG17.07.2024
DK17.07.2024
FI17.07.2024
HR17.07.2024
LV17.07.2024
NL17.07.2024
PL17.07.2024
RO17.07.2024
SM17.07.2024
NO17.10.2024
RS17.10.2024
GR18.10.2024
IS17.11.2024
PT18.11.2024
Former [2025/11]AT17.07.2024
BG17.07.2024
FI17.07.2024
HR17.07.2024
LV17.07.2024
NL17.07.2024
PL17.07.2024
NO17.10.2024
RS17.10.2024
GR18.10.2024
IS17.11.2024
PT18.11.2024
Former [2025/09]AT17.07.2024
BG17.07.2024
FI17.07.2024
LV17.07.2024
NL17.07.2024
PL17.07.2024
NO17.10.2024
GR18.10.2024
IS17.11.2024
PT18.11.2024
Former [2025/08]FI17.07.2024
NL17.07.2024
PL17.07.2024
NO17.10.2024
GR18.10.2024
PT18.11.2024
Former [2025/04]NL17.07.2024
PT18.11.2024
Former [2025/03]PT18.11.2024
Cited inInternational search[XY] US2008064619  (BASTIGKEIT THORSTEN et al.)
 [XY] US2019010426  (SCIALLA STEFANO et al.)
 [Y] WO2018206202  (UNILEVER PLC et al.)
 [A] EP2714878  (UNILEVER PLC NO 41424 et al.)
by applicantWO2007147866
 WO2009141172
 WO2009141173
 WO2020023812
 US5574179
 US4956447
 US4861512
 US4702857
 WO2007079850
 WO2016005271
   "Non-ionic Surfactants: Organic Chemistry", 1998, MARCEL DEKKER
   KREUTZER, U. R, JOURNAL OF THE AMERICAN OIL CHEMISTS' SOCIETY, vol. 61, no. 2, pages 343 - 348
   SANCHEZ M.A. ET AL., J.CHEM.TECHNOL.BIOTECHNOL, vol. 92, 2017, pages 27 - 92
   "Ullmann's Enzyclopaedie der technischen Chemie", vol. 56, 1995, MARCEL DEKKER, pages: 436
   GUPTA M.K.: "A Practical Guide to Vegetable Oil Processing", 2017, ACADEMIC PRESS
   SAAD M.G. ET AL.: "Algal Biofuels: Current Status and Key Challenges", ENERGIES, vol. 12, 2019, pages 1920
   MASRI M.A. ET AL.: "A sustainable, high-performance process for the economic production of waste-free microbial oils that can replace plant-based equivalents", ENERGY ENVIRON. SCI., vol. 12, 2019, pages 2717
   CTFA: "International Buyers Guide", 1992, WILEY-VCH
   OPD: "Chemicals Buyers Directory 80th Annual Edition", 1993, SCHNELL PUBLISHING CO
   POUCHER, JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS, vol. 6, no. 2, 1955, pages 80
   BELITZ H.-D.GROSCH W.: "Food Chemistry", SPRINGER
OppositionUS2019010426
 WO2007111887
 US2008234165
 DE102012201980
 US2006183656
 US4515704
 US2009118155
 WO0036068
 WO2018104379
 US2008177089
 WO2006004876
 WO2007087252
 WO2012159778
 WO2011060028
 WO2017123457
   ANONYMOUS: "Tinopal CBS-X - Technical information ", BASF, 1 March 2011 (2011-03-01), pages 1 - 4, XP093270938, Retrieved from the Internet [retrieved on 20250416]
   D9 - Optical Brightener DMS-X
   ANONYMOUS: "Kokosl ", WIKIPEDIA, 24 June 2024 (2024-06-24), pages 1 - 9, XP093270943, Retrieved from the Internet [retrieved on 20250416]
   ANONYMOUS: "Talll-Fettsuren (TOFA): Eine hervorragende Quelle fr Fettsuren auf Pflanzenbasis", WER TEC, 28 May 2024 (2024-05-28), pages 1 - 2, XP093270946, Retrieved from the Internet [retrieved on 20250416]
   FALBE J: "Surfactants in Consumer Products - Theory, Technology andApplication ", 1 January 1987, SPRINGER-VERLAG , HEIDELBERG , ISBN: 978-0-387-17019-0, article BIERMANN F, F. LANGE, R. PIORR, U. PLOOG, H. RUTZEN, J. SCHINDLER, R. SCHMID: "3 Synthesis of Surfactants", pages: 24 - 33, XP093270960, DOI: 10.14220/9783737005913.back

DOI:   http://dx.doi.org/10.14220/9783737005913.back
   ANONYMOUS: "Lutensol AT types ", BASF - TECHNICAL INFORMATION, 1 August 2013 (2013-08-01), pages 1 - 8, XP093270963, Retrieved from the Internet [retrieved on 20250416]
   ANONYMOUS: "Safety Data Sheet Lutensol AT 25 E (Meaux)", BASF, 23 October 2017 (2017-10-23), pages 1 - 10, XP093270966
   ANONYMOUS: "LUTENSOL SURFACTANTS PRODUCT GUIDE - SUPERIOR PERFORMANCE WITH SUSTAINABLE INGREDIENTS", BASF, 1 December 2020 (2020-12-01), pages 1 - 32, XP093270970, Retrieved from the Internet [retrieved on 20250416]
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.