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Use Of Ester Base Stocks To Improve Viscosity Index And Efficiency In Driveline And Industrial Gear Lubricating Fluids - EP4069808

The patent EP4069808 was granted to The Lubrizol on Aug 23, 2023. The application was originally filed on Oct 1, 2020 under application number EP20793521A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP4069808

THE LUBRIZOL
Application Number
EP20793521A
Filing Date
Oct 1, 2020
Status
Granted And Under Opposition
Jul 21, 2023
Publication Date
Aug 23, 2023
External Links
Slate, Register, Google Patents

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AFTON CHEMICALMay 22, 2024J A KEMPADMISSIBLE

Patent Citations (27) New

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

Citation PhasePublication Number
DESCRIPTIONJP2009023385
DESCRIPTIONUS10227541
DESCRIPTIONUS2018112148
DESCRIPTIONUS4670169
DESCRIPTIONUS4770807
DESCRIPTIONUS4876374
DESCRIPTIONUS9540587
DESCRIPTIONUS9976099
DESCRIPTIONWO2008094759
INTERNATIONAL-SEARCH-REPORTJP2009203385
INTERNATIONAL-SEARCH-REPORTUS2020032160
INTERNATIONAL-SEARCH-REPORTUS9540587
INTERNATIONAL-SEARCH-REPORTWO2018190431
OPPOSITIONUS2003207775
OPPOSITIONUS2006178279
OPPOSITIONUS2006223718
OPPOSITIONUS2008248983
OPPOSITIONUS2010105589
OPPOSITIONUS2011039740
OPPOSITIONUS2014274848
OPPOSITIONUS2015051125
OPPOSITIONUS2017073609
OPPOSITIONUS2017183595
OPPOSITIONUS2017183597
OPPOSITIONUS2020032160
OPPOSITIONUS9540587
OPPOSITIONWO2018190431

Non-Patent Literature (NPL) Citations (11) 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, "Base Stocks for Lubricants and Components for Metalworking Fluids Selection Guide", Base Stocks for Lubricants and Components for Metalworking Fluids Selection Guide, BASF SE Fuel and Lubricant Solutions, Ludwigshafen, Germany, Ludwigshafen, Germany, (20130101), pages 1 - 60, Base Stocks for Lubricants and Components for Metalworking Fluids Selection Guide, URL: https://tradeton.com/wp-content/uploads/2016/04/basf_base_stocks_and_mwf_component.pdf, XP093190344
OPPOSITION- Lynch Thomas R., "3.2.3 VISCOSITY INDEX DISTRIBUTIONS IN BASE STOCKS: USE OF THERMAL DIFFUSION", Process Chemistry of Lubricant Base Stocks, Boca Raton, Fla., USA, CRC Press , (20070921), pages 63 - 73, ISBN 978-0-8493-3849-6, XP093190333
OPPOSITION- Rudnick Leslie R., "Cognis (BASF group)", Synthetics, Mineral Oils, and Bio-Based Lubricants : Chemistry and Technology, Taylor & Francis Group, (20200213), pages 1137 - 1138, ISBN 978-1-351-65574-3, XP093190338
OPPOSITION- Syed Q.A. Rizvi, "Carboxylate Esters [74]", A comprehensive review of lubricant chemistry, technology, selection, and design, ASTM International, (20091201), pages 54 - 62, ISBN 978-0-8031-7000-1, XP009556064
OPPOSITION- Tom NJ, T. G. Schaefer, "An Overview of Esters in Synthetic Lubricants", BobIsTheOilGuy, (20081007), pages 1 - 9, BobIsTheOilGuy, URL: https://bobistheoilguy.com/forums/threads/an-overview-of-esters-in-synthetic-lubricants.94994/, XP093190343
OPPOSITION- Václav Štěpina, Václav Veselý, "3.2.2.6 Organic Esters", Lubricants and Special Fluids, Elsevier , (19920101), pages 162 - 173, doi:10.1016/S0167-8922(08)70350-X, ISBN 0-444-98674-X, XP009556063
OPPOSITION- Václav Štěpina, Václav Veselý, "3.2.2.Synthetic Oils", Lubricants and Special Fluids, Elsevier , (19920101), pages 146 - 149, doi:10.1016/S0167-8922(08)70350-X, ISBN 0-444-98674-X, XP009556062
OPPOSITION- R.L. Stambaugh, B.G. Kinker, "Chapter 5: Viscosity Index Improvers and Thickeners", Chemistry and Technology of Lubricants, Springer Verlag, (20091201), pages 153 - 187, doi:10.1023/b105569_5, ISBN 978-1-4020-8661-8, XP009556065
OPPOSITION- Devlin Mark T., Li Shoutian, Tersigni Samuel H., Turner Tu Lai, Jao Tze-Chi, Yatsunami Kenji, Cameron Timothy M., "2003-01-3254 Fundamentals of Anti-Shudder Durability: Part II - Fluid Effects", SAE technical papers, SAE INTERNATIONAL, US, US , (20031027), vol. 2003-01-3254, doi:10.4271/2003-01-3254, ISSN 0148-7191, XP009556067
OPPOSITION- Devlin Mark, Williams Darryl, Glasgow Michael, Hux Karen, Whitworth Aaron, Cameron Timothy, "2016-01-2343 Effect of Fluid Flow through Clutch Material on Torque Fluctuations in Clutches", SAE technical papers, SAE INTERNATIONAL, US, US , (20161024), vol. 2016-01-2343, doi:10.4271/2016-01-2343, ISSN 0148-7191, XP009556068
OPPOSITION- Devlin Mark, Adhvaryu Atanu, Cameron Timothy, Kariwa Shinpei, Abekawa Toshiharu, "2019-01-2339 Prediction of Friction Durability in Off-Road Applications Based on Mechanistic Understanding of the Effects of Fluids and Surfaces on Clutch Friction", SAE technical papers, SAE INTERNATIONAL, US, US , (20190826), vol. 2019-01-2339, doi:10.4271/2019-01-2339, ISSN 0148-7191, XP009556069

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