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Extract from the Register of European Patents

EP About this file: EP3842508

EP3842508 - USE OF LUBRICANT COMPOSITIONS FOR DIRECT INJECTION ENGINES [Right-click to bookmark this link]
StatusThe patent has been granted
Status updated on  07.06.2024
Database last updated on 09.04.2026
FormerGrant of patent is intended
Status updated on  28.01.2024
FormerRequest for examination was made
Status updated on  31.12.2021
FormerThe application has been published
Status updated on  28.05.2021
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 all designated states
The Lubrizol Corporation
29400 Lakeland Boulevard
Wickliffe, OH 44092-2298 / US
[2021/26]
Inventor(s)01 / MOSIER, Patrick E.
c/o The Lubrizol Corporation
29400 Lakeland Blvd.
Wickliffe, Ohio 44092-2298 / US
02 / DIETZ, Jeffry G.
c/o The Lubrizol Corporation
29400 Lakeland Blvd.
Wickliffe, Ohio 44092-2298 / US
03 / SAMMUT, Alexander
c/o The Lubrizol Corporation
29400 Lakeland Blvd.
Wickliffe, Ohio 44092-2298 / US
 [2021/26]
Representative(s)D Young & Co LLP
3 Noble Street
London EC2V 7BQ / GB
[2024/28]
Former [2021/26]D Young & Co LLP
120 Holborn
London EC1N 2DY / GB
Application number, filing date21151694.319.09.2014
[2021/26]
Priority number, dateUS201361879725P19.09.2013         Original published format: US 201361879725 P
[2021/26]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP3842508
Date:30.06.2021
Language:EN
[2021/26]
Type: B1 Patent specification 
No.:EP3842508
Date:10.07.2024
Language:EN
[2024/28]
Search report(s)(Supplementary) European search report - dispatched on:EP17.05.2021
ClassificationIPC:C10M163/00, // C10N40/25, C10N10/04, C10N30/00
[2021/26]
CPC:
C10M163/00 (EP,KR,US); C10M169/04 (US); C10M101/00 (US);
C10M139/00 (US); C10M149/10 (US); C10M161/00 (US);
C10M169/044 (US); C10M2203/1025 (EP); C10M2207/023 (US);
C10M2207/026 (EP); C10M2207/027 (EP); C10M2207/028 (EP,KR,US);
C10M2207/262 (EP,KR,US); C10M2215/02 (US); C10M2215/064 (EP);
C10M2215/223 (US); C10M2215/28 (EP,KR,US); C10M2217/028 (US);
C10M2219/046 (EP,US); C10M2219/068 (US); C10M2227/09 (US);
C10N2010/04 (EP,US); C10N2010/12 (US); C10N2030/04 (US);
C10N2030/06 (US); C10N2030/10 (US); C10N2030/76 (EP);
C10N2040/255 (EP,KR,US); Y02T10/12 (EP) (-)
C-Set:
C10M2219/046, C10N2010/04 (US);
C10M2223/045, C10N2010/04 (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 [2022/05]
Former [2021/26]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,  MK,  MT,  NL,  NO,  PL,  PT,  RO,  RS,  SE,  SI,  SK,  SM,  TR 
TitleGerman:VERWENDUNG VON SCHMIERMITTELZUSAMMENSETZUNGEN FÜR DIREKTEINSPRITZERMOTOREN[2021/26]
English:USE OF LUBRICANT COMPOSITIONS FOR DIRECT INJECTION ENGINES[2021/26]
French:UTILISATION DES COMPOSITIONS LUBRIFIANTES POUR MOTEURS À INJECTION DIRECTE[2021/26]
Examination procedure23.12.2021Examination requested  [2022/05]
23.12.2021Date on which the examining division has become responsible
26.01.2022Despatch of communication that the application is deemed to be withdrawn, reason: reply to the Extended European Search Report/Written Opinion of the International Searching Authority/International Preliminary Examination Report/Supplementary international search report not received in time
04.04.2022Amendment by applicant (claims and/or description)
29.01.2024Communication of intention to grant the patent
28.05.2024Fee for grant paid
28.05.2024Fee for publishing/printing paid
28.05.2024Receipt of the translation of the claim(s)
19.12.2025Observations by third parties
Parent application(s)   TooltipEP14778030.8  / EP3047000
Divisional application(s)EP24178027.9  / EP4438702
Opposition(s)Opponent(s)01  10.04.2025  14.04.2024  ADMISSIBLE
Infineum International Limited
Law Dept.
Milton Hill Business & Technology Centre
Abingdon, Oxfordshire OX13 6BD / GB
 [2025/21]
23.04.2025Invitation to proprietor to file observations on the notice of opposition
25.08.2025Reply of patent proprietor to notice(s) of opposition
14.01.2026Cancellation of oral proceeding that was planned for 20.05.2026
20.05.2026Date of oral proceedings
07.10.2026Date of oral proceedings
Request for further processing for:The application is deemed to be withdrawn due to failure to reply to the Extended European Search Report/Written Opinion of the International Searching Authority/International Preliminary Examination Report/Supplementary international search report/Supplementary European search report
04.04.2022Request for further processing filed
04.04.2022Full payment received (date of receipt of payment)
Request granted
13.04.2022Decision despatched
Fees paidRenewal fee
10.05.2021Renewal fee patent year 03
10.05.2021Renewal fee patent year 04
10.05.2021Renewal fee patent year 05
10.05.2021Renewal fee patent year 06
10.05.2021Renewal fee patent year 07
27.09.2021Renewal fee patent year 08
27.09.2022Renewal fee patent year 09
27.09.2023Renewal fee patent year 10
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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  TooltipCY19.09.2014
HU19.09.2014
AT10.07.2024
BG10.07.2024
CZ10.07.2024
DK10.07.2024
EE10.07.2024
FI10.07.2024
HR10.07.2024
LV10.07.2024
MC10.07.2024
PL10.07.2024
RO10.07.2024
SK10.07.2024
SM10.07.2024
IE19.09.2024
IT19.09.2024
LU19.09.2024
CH30.09.2024
NO10.10.2024
RS10.10.2024
GR11.10.2024
IS10.11.2024
PT11.11.2024
[2026/16]
Former [2026/10]CY19.09.2014
AT10.07.2024
BG10.07.2024
CZ10.07.2024
DK10.07.2024
EE10.07.2024
FI10.07.2024
HR10.07.2024
LV10.07.2024
MC10.07.2024
PL10.07.2024
RO10.07.2024
SK10.07.2024
SM10.07.2024
IE19.09.2024
IT19.09.2024
LU19.09.2024
CH30.09.2024
NO10.10.2024
RS10.10.2024
GR11.10.2024
IS10.11.2024
PT11.11.2024
Former [2025/36]AT10.07.2024
BG10.07.2024
CZ10.07.2024
DK10.07.2024
EE10.07.2024
FI10.07.2024
HR10.07.2024
LV10.07.2024
MC10.07.2024
PL10.07.2024
RO10.07.2024
SK10.07.2024
SM10.07.2024
IE19.09.2024
IT19.09.2024
LU19.09.2024
CH30.09.2024
NO10.10.2024
RS10.10.2024
GR11.10.2024
IS10.11.2024
PT11.11.2024
Former [2025/35]AT10.07.2024
BG10.07.2024
CZ10.07.2024
DK10.07.2024
EE10.07.2024
FI10.07.2024
HR10.07.2024
LV10.07.2024
MC10.07.2024
PL10.07.2024
RO10.07.2024
SK10.07.2024
SM10.07.2024
IT19.09.2024
LU19.09.2024
CH30.09.2024
NO10.10.2024
RS10.10.2024
GR11.10.2024
IS10.11.2024
PT11.11.2024
Former [2025/34]AT10.07.2024
BG10.07.2024
CZ10.07.2024
DK10.07.2024
EE10.07.2024
FI10.07.2024
HR10.07.2024
LV10.07.2024
MC10.07.2024
PL10.07.2024
RO10.07.2024
SK10.07.2024
SM10.07.2024
IT19.09.2024
LU19.09.2024
NO10.10.2024
RS10.10.2024
GR11.10.2024
IS10.11.2024
PT11.11.2024
Former [2025/26]AT10.07.2024
BG10.07.2024
CZ10.07.2024
DK10.07.2024
EE10.07.2024
FI10.07.2024
HR10.07.2024
LV10.07.2024
MC10.07.2024
PL10.07.2024
RO10.07.2024
SK10.07.2024
SM10.07.2024
LU19.09.2024
NO10.10.2024
RS10.10.2024
GR11.10.2024
IS10.11.2024
PT11.11.2024
Former [2025/23]AT10.07.2024
BG10.07.2024
CZ10.07.2024
DK10.07.2024
EE10.07.2024
FI10.07.2024
HR10.07.2024
LV10.07.2024
MC10.07.2024
PL10.07.2024
RO10.07.2024
SK10.07.2024
SM10.07.2024
NO10.10.2024
RS10.10.2024
GR11.10.2024
IS10.11.2024
PT11.11.2024
Former [2025/22]AT10.07.2024
BG10.07.2024
DK10.07.2024
EE10.07.2024
FI10.07.2024
HR10.07.2024
LV10.07.2024
MC10.07.2024
PL10.07.2024
RO10.07.2024
SM10.07.2024
NO10.10.2024
RS10.10.2024
GR11.10.2024
IS10.11.2024
PT11.11.2024
Former [2025/21]AT10.07.2024
BG10.07.2024
DK10.07.2024
FI10.07.2024
HR10.07.2024
LV10.07.2024
PL10.07.2024
RO10.07.2024
SM10.07.2024
NO10.10.2024
RS10.10.2024
GR11.10.2024
IS10.11.2024
PT11.11.2024
Former [2025/10]AT10.07.2024
BG10.07.2024
FI10.07.2024
HR10.07.2024
LV10.07.2024
PL10.07.2024
NO10.10.2024
RS10.10.2024
GR11.10.2024
IS10.11.2024
PT11.11.2024
Former [2025/09]AT10.07.2024
BG10.07.2024
FI10.07.2024
LV10.07.2024
PL10.07.2024
NO10.10.2024
GR11.10.2024
IS10.11.2024
PT11.11.2024
Former [2025/08]FI10.07.2024
PL10.07.2024
NO10.10.2024
GR11.10.2024
PT11.11.2024
Former [2025/03]PT11.11.2024
Documents cited:Search[Y] EP0317354  (EXXON CHEMICAL PATENTS INC et al.)
 [A] WO2012047949  (LUBRIZOL CORP et al.)
 [E] EP2940110  (INFINEUM INT LTD et al.)
 [E] EP3101095  (EXXONMOBIL RES & ENG CO et al.)
 [Y]   KAZUO TAKEUCHI ET AL: "Investigation of Engine Oil Effect on Abnormal Combustion in Turbocharged Direct Injection - Spark Ignition Engines", SAE INTERNATIONAL JOURNAL OF FUELS AND LUBRICANTS, vol. 5, no. 3, 30 January 2012 (2012-01-30), pages 1017 - 1024, XP055203823, ISSN: 1946-3960, DOI: 10.4271/2012-01-1615

DOI:   http://dx.doi.org/10.4271/2012-01-1615
 [Y]   AKRAM ZAHDEH ET AL: "Fundamental Approach to Investigate Pre-Ignition in Boosted SI Engines", SAE INTERNATIONAL JOURNAL OF ENGINES, vol. 4, no. 1, 12 April 2011 (2011-04-12), pages 246 - 273, XP055203891, ISSN: 1946-3944, DOI: 10.4271/2011-01-0340

DOI:   http://dx.doi.org/10.4271/2011-01-0340
by applicantUS5503644
 WO2008147704
 US2010197536
 US7285516
 US2011009300
 US6429178
 US6429179
 US6153565
 US6281179
 US2005065045
 US7407919
 US8399388
 US7009072
 US3172892
 US3219666
 US3316177
 US3340281
 US3351552
 US3381022
 US3433744
 US3444170
 US3467668
 US3501405
 US3542680
 US3576743
 US3632511
 US4234435
 US26433
 US6165235
 US7238650
 EP0355895
 WO2006015130
 US4863623
 US6107257
 US6107258
 US6117825
 US2005038319
 WO2006047486
otherJP2014152301
 EP2940110
OppositionEP3842508
 EP3047000
 EP3101095
 WO2015171980
 WO2015171978
 US201361879725
 US61990764
 US61990762
   RITCHIE A., YOUNG, A: "Controlling Low-Speed Pre-Ignition in Modern Automotive EquipmentPart 3: Identification of Key Additive Component Types and Other Lubricant", SAE INT. J ENGINES 2016-01-0716, vol. 9, no. 2, 1 January 2016 (2016-01-01), pages 832 - 840, XP055809144
   KAZUO TAKEUCHI, KOSUKE FUJIMOTO, SATOSHI HIRANO, MINORU YAMASHITA: "Investigation of Engine Oil Effect on Abnormal Combustion in Turbocharged Direct Injection - Spark Ignition Engines", SAE INTERNATIONAL JOURNAL OF FUELS AND LUBRICANTS, vol. 5, no. 3, 30 January 2012 (2012-01-30), pages 1017 - 1024, XP055203823, ISSN: 19463960, DOI: 10.4271/2012-01-1615

DOI:   http://dx.doi.org/10.4271/2012-01-1615
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.