Lubricant Composition For Gasoline Engines And Method For Producing Same - EP3275978

The patent EP3275978 was granted to Idemitsu Kosan on May 8, 2024. The application was originally filed on Mar 24, 2016 under application number EP16768898A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3275978

IDEMITSU KOSAN
Application Number
EP16768898A
Filing Date
Mar 24, 2016
Status
Granted And Under Opposition
Apr 5, 2024
Publication Date
May 8, 2024
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.

CompanyOpposition DateRepresentativeOpposition Status

Get instant alerts for new oppositions and patent status changes

AFTON CHEMICALFeb 7, 2025J A KEMPADMISSIBLE

Patent Citations (28) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation PhasePublication Number
INTERNATIONAL-SEARCH-REPORTJP2013544948
INTERNATIONAL-SEARCH-REPORTJP2014152301
INTERNATIONAL-SEARCH-REPORTJP2015163673
INTERNATIONAL-SEARCH-REPORTJPH01201399
INTERNATIONAL-SEARCH-REPORTJPH11315297
INTERNATIONAL-SEARCH-REPORTWO2015042337
INTERNATIONAL-SEARCH-REPORTWO2015042340
INTERNATIONAL-SEARCH-REPORTWO2015042341
OPPOSITIONEP0317354
OPPOSITIONEP3101095
OPPOSITIONEP3275978
OPPOSITIONJP2014152301
OPPOSITIONJP2015061746
OPPOSITIONUS2006116299
OPPOSITIONUS2009082233
OPPOSITIONWO2015042340
OPPOSITIONWO2015114920
OPPOSITIONWO2015171980
SEARCHEP0317354
SEARCHEP3101095
SEARCHEP3275980
SEARCHJP2014152301
SEARCHUS2006116299
SEARCHUS2009082233
SEARCHWO2015042337
SEARCHWO2015042340
SEARCHWO2015042341
SEARCHWO2016148708

Non-Patent Literature (NPL) Citations (14) New

NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.

Citation PhaseReference Text
OPPOSITION- Anonymous, "Fuel Economy Low Viscosity Engine Oil Compatible with Low Speed Pre-ignition Performance", SINOPEC, SINOPEC, URL: https://www.stle.org/images/pdf/STLE_ORG/AM2019%20Presentations/Lubrication%20Fundamentals/STLE2019_Lubrication%20Fundamentals%20V_Session%205J_J.%20Zhao_Fuel%20Economy%20Low%20Vicosity%20Engine%20Oil.pdf, XP093261381
OPPOSITION- Anonymous, "LUBRICANT ADDITIVES and THE ENVIRONMENT Document 49 (revision 1) ", ATC, pages 1 - 35, ATC , URL: https://www.atc-europe.org/public/doc49rev1.pdf, (20230112), XP093013399
OPPOSITION- Anonymous, "Quenching LSPI in Modern Engines", LUBES’N’GREASES, LUBES’N’GREASES, URL: https://www.lubesngreases.com/magazine/24_5/quenching-lspi-in-modern-engines/, XP093261377
OPPOSITION- D18 - Experimental report
OPPOSITION- D22a - Confirmation that the abstract D22 would have been disclosed to the organisers of the SAE 2015 International Powertrains, Fuels & Lubricants meeting by mid-November 2014
OPPOSITION- D24 - Experimental Report
OPPOSITION- Ena A. Bardasz, Gordon D. Lamb, "Chapter 19: Additives for Crankcase Lubricant Applications", Lubricant Additives - Chemistry and Applications, CRC Press Inc , (20090101), pages 457 - 492, ISBN 978-1-4200-5964-9, XP009555728
OPPOSITION- Roger F. Haycock; John E. Hillier, "2.2 Additives", Roger F. Haycock; John E. Hillier, Roger F. Haycock, John E. Hiller, Automotive Lubricants Reference Book, 2nd Edition, Professional Engineering Publishing, (20040101), pages 63 - 87, ISBN 1-86058-471-3, XP009561220
OPPOSITION- Vaclav Stepina, Vaclav Vesely, "4.2.2.2 Alkylphenolates (Alkylphenolsulphides)", Vaclav Stepina, Vaclav Vesely, Štěpina, Václav ; Veselý, Vaclav, Lubricant and special fluids , Elsevier , (19920101), pages 308 - 310, doi:10.1016/S0167-8922(08)70351-1, ISBN 978-0-444-98674-0, XP009195353
OPPOSITION- G. Aguilar, G. Mazzamaro, M. Rasberger, "Oxidative Degradation and Stabilisation of Mineral Oil-Based Lubricants", G. Aguilar, G. Mazzamaro, M. Rasberger, Roy M. Mortier · Malcolm F. Fox · Stefan T. Orszuli, Chemistry and Technology of Lubricants, 3rd Edition, Springer, (20100101), pages 107 - 152, doi:10.1023/b105569_4, ISBN 978-1-4020-8661-8, XP009560978
OPPOSITION- Akram Zahdeh, Peter Rothenberger, Wai Nguyen, Muniappan Anbarasu, Simon Schmuck-Soldan, Jörg Schaefer, Thomas Goebel, "Fundamental Approach to Investigate Pre-Ignition in Boosted SI Engines", SAE International Journal of Engines, (20110615), vol. 4, no. 1, doi:10.4271/2011-01-0340, ISSN 19463944, pages 246 - 273, XP055203891
OPPOSITION- Kosuke Fujimoto, Minoru Yamashita, Satoshi Hirano, Katsuyoshi Kato, Izumi Watanabe, Koki Ito, "Engine Oil Development for Preventing Pre-Ignition in Turbocharged Gasoline Engine", SAE International Journal of Fuels and Lubricants, S A E Inc., US, US , (20140415), vol. 7, no. 3, doi:10.4271/2014-01-2785, ISSN 1946-3960, pages 869 - 874, XP055248491
OPPOSITION- Ko Onodera, Kato Tomohiro, Ogano Satoshi, Fujimoto Kosuke, Kato Katsuyoshi, Kaneko Toyoharu, "Engine Oil Formulation Technology to Prevent Pre-ignition in Turbocharged Direct Injection Spark Ignition Engines", SAE Technical Paper, Society of Automotive Engineers, (20150901), vol. 1, doi:10.4271/2015-01-2027, ISSN 0148-7191, XP055642375
OPPOSITION- J.V.D. Wilson, G.J.J. Jayne, "Lubricant Ash Content and Surface Ignition in Gasoline Engines", SAE Technical Paper Series, SAE International, 400 Commonwealth Drive, Warrendale, PA, United States, 400 Commonwealth Drive, Warrendale, PA, United States , (19720201), vol. 720153, doi:10.4271/720153, ISSN 2688-3627, pages 1 - 16, XP009560977

Download Citation Report

Get a free citation report including examiner, opposition, and international search citations.

Get Citation Report

Dossier Documents

The dossier documents provide a comprehensive record of the patent’s prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent’s legal journey and any challenges it may have faced during examination.

  • Date

    Description

  • Get instant alerts for new documents