Lubricating Oil Compositions Comprising A Biodiesel Fuel And An Antioxidant - EP2055762

The patent EP2055762 was granted to Chevron Oronite on Apr 28, 2021. The application was originally filed on Mar 26, 2008 under application number EP08251088A. The patent is currently recorded with a legal status of "Revoked".

EP2055762

CHEVRON ORONITE
Application Number
EP08251088A
Filing Date
Mar 26, 2008
Status
Revoked
Jul 24, 2025
Grant Date
Apr 28, 2021
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 CHEMICALJan 26, 2022J A KEMP -

Patent Citations (16) New

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

Citation PhasePublication NumberPublication Link
DESCRIPTIONEP0147240
DESCRIPTIONEP0482253
DESCRIPTIONEP0557561
DESCRIPTIONEP0613938
DESCRIPTIONGB960493
DESCRIPTIONWO9842808
EXAMINATIONEP2141220
OTHEREP1167497
OTHEREP2055761
OTHEREP2154231
OTHERWO03080771
OTHERWO2007028947
SEARCHEP1167497
SEARCHWO2009013275
SEARCHWO2009050984
SEARCHWO2009054322

Non-Patent Literature (NPL) Citations (35) New

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

Citation PhaseReference TextLink
DESCRIPTION- American Petroleum Institute (API) Publication, (199612), vol. 1509-
DESCRIPTION- D. V. BROCK, LUBRICATION ENGINEERING, (1987), vol. 43, pages 184 - 5-
DESCRIPTION- E. S. YAMAGUCHI, TRIBOLOGY TRANSACTIONS, (1999), vol. 42, no. 4, pages 895 - 901-
DESCRIPTION- LESLIE R. RUDNICK, Lubricant ,4dditives: Chemistry and Applications, MARCEL DEKKER, (2003), pages 113 - 136-
DESCRIPTION- LESLIE R. RUDNICK, Lubricant Additives: Chemistry and Applications, MARCEL DEKKER, (2003), pages 1 - 28-
DESCRIPTION- LESLIE R. RUDNICK, Lubricant Additives: Chemistry and Applications, MARCEL DEKKER, (2003), pages 137 - 170-
DESCRIPTION- LESLIE R. RUDNICK, Lubricant Additives: Chemistry and Applications, MARCEL DEKKER, (2003), pages 171 - 222-
DESCRIPTION- LESLIE R. RUDNICK, Lubricant Additives: Chemistry and Applications, MARCEL DEKKER, (2003), pages 223 - 258-
DESCRIPTION- LESLIE R. RUDNICK, Lubricant Additives: Chemistry and Applications, MARCEL DEKKER, (2003), pages 329 - 354-
DESCRIPTION- MORTIER ET AL., Chemistry and Technology ofLubricants, SPRINGER, (1996), pages 183 - 187-
DESCRIPTION- MORTIER ET AL., Chemistry and Technology of Lubricants, SPRINGER, (1996), pages 187 - 189-
DESCRIPTION- MORTIER ET AL., Chemistry and Technology of Lubricants, SPRINGER, (1996), pages 190 - 193-
DESCRIPTION- MORTIER ET AL., Chemistry and Technology of Lubricants, SPRINGER, (1996), pages 193 - 196-
DESCRIPTION- MORTIER ET AL., Chemistry and Technology of Lubricants, SPRINGER, (1996), pages 75 - 85-
DESCRIPTION- MORTIER ET AL., Chemistry and Technology of Lubricants, SPRINGER, (1996), pages 86 - 90-
DESCRIPTION- R. RUDNICK, Lubricant Additives: Chemistry and Applications, MARCEL DEKKER, (2003), pages 223 - 258-
OPPOSITION- Anonymous, "H.4 ILSAC GF-4 MINIMUM PERFORMANCE STANDARD FOR PASSENGER CAR ENGINEOILS (OBSOLETE SEPTEMBER 30, 2011)", Anonymous, Anonymous, Engine Oil Licensing and Certification System; 21st Edition, US, American Petroleum Institute, (20220131), pages 139 - 142, XP009552503-
OPPOSITION- Anonymous, "Standard Test Method for Evaluation of Automotive Engine Oils in the Sequence IIIG, Spark-Ignition Engine", ASTM Designation: D 7320 - 07a, (20230626), ASTM Designation: D 7320 - 07a, (20240201), XP093126370-
OTHER- "BioKraftQuG Biokraftstoffquotengesetz", (20061218), URL: http://www.buzer.de/gesetz/7519/index.htm, XP055496062-
OTHER- Blaine Ballentine, "Crankase Consequences of Biodiesel", Central Petroleum Company Lubricants Central News, (20070900), no. 800, pages 2 - 7, XP055339955-
OTHER- Ciba Specialty Chemicals, "Ciba® IRGANOX® L 57 Aminic antioxidant", (20030600), pages 1 - 10, URL: http://www.resikem.com.ar/admin/archivos/tecnica/211/TDS_Irganox_L_57.pdf, XP055339976-
OTHER- Commission of the European Communities, "Biofuels Progress Report-Report on the progress made in the use of biofuels and other renewable fuels in the Member States of the European Union", COMMUNICATION FROM THE COMMISSION TO THE COUNCIL AND THE EUROPEAN PARLIAMENT- COM(2006) 845 final, (20070110), pages 2 - 16, XP055295939-
OTHER- Cyril A. Migdal, "Antioxidants", Cyril A. Migdal, Leslie R. Rudnick, Lubricant Additives Chemistry and Applications, CRC Press, (20030000), pages 1-6, 20 - 21, XP009126410-
OTHER- GARY M PARSONS, "Biodiesel and Engine Lubrication Part 2", LUBRICATION MAGAZINE, (20071200), pages 1 - 12, XP002558102-
OTHER- Lisa Mastny, "BIOFUELS FOR TRANSPORTATION Global Potential and Implications for Sustainable Agriculture and Energy in the 21st Century", Summary- Worldwatch Institute, (20060600), pages 1 - 5, URL: http://www.worldwatch.org/system/files/EBF008_1.pdf, XP055295946-
OTHER- "Lubricant Additives and the Environment", ATC Document 49 (revision 1), (20071200), pages 1 - 30, XP055341241-
OTHER- Mortier R.M. et al, Chemistry and Technology of Lubricants, 2nd ed., (19970000), pages 109 - 116, XP055496053-
OTHER- NEIL CANTER, "Special Report: Additive challenges in meeting new automotive engine specifications", Tribology & Lubrication Technology, (20060900), pages 10 - 19, XP055339967-
OTHER- Robert Quigley, "Biodiesel: The good, the bad...and additives", Biofuels International, (20070202), vol. 1, no. 1, pages 70 - 72, XP055339952-
OTHER- STEPINA et al, Lubricants and Special Fluids, (19920000), pages 258 - 263, XP055496060-
OTHER- Stunenberg et al, "Impact of Biodiesel Use on the Lubrication of Diesel Engines", Proceedings of the 13th annual Fuels & Lubes Asia Conference, (20070300), pages 1 - 19, XP055496039-
OTHER- The European Parliament And The Council Of The European Union, "Directive 2003/30/EC of the European Parliament and of the Council of 8 May 2003 on the promotion of the use of biofuels or other renewable fuels for transport", Official Journal of the European Union, (20030517), pages L123/42 - L123/46, XP055295935-
OTHER- GLIGORIJEVIC et al., "Engine oil contribution to diesel exhaust emissions", JOURNAL OF SYNTHETIC LUBRICATION, (20060000), vol. 23, pages 27 - 38, XP055496029
OTHER- K. MARSDEN, "Literature Review of OCP Viscosity Modifiers", Lubrication Science, (19890400), vol. 1, no. 3, XP055339972
SEARCH- S. MARSCH, M. CORRADI, "The effect of biodiesel on engine lubricants", LUBES'N'GREASES MAGAZINE, USA, vol. 13, no. 6, (200706), pages 28 - 34, URL: http://digital.olivesoftware.com/Olive/ODE/LNG/, (20091111), XP002554925 [Y] 1-25 * page 32, columns 1-2 *-

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