Global Patent Index - EP 3688126 A1

EP 3688126 A1 20200805 - LUBRICATING OIL COMPOSITION FOR INTERNAL COMBUSTION ENGINE

Title (en)

LUBRICATING OIL COMPOSITION FOR INTERNAL COMBUSTION ENGINE

Title (de)

SCHMIERÖLZUSAMMENSETZUNG FÜR BRENNKRAFTMASCHINE

Title (fr)

COMPOSITION D'HUILE LUBRIFIANTE POUR MOTEUR À COMBUSTION INTERNE

Publication

EP 3688126 A1 20200805 (EN)

Application

EP 18780072 A 20180926

Priority

  • JP 2017188903 A 20170928
  • EP 2018076094 W 20180926

Abstract (en)

[origin: WO2019063599A1] The invention provides a lubricating oil composition for internal combustion engines, containing a base oil composition containing a GTL base oil as a main component, and having %Cn of 14 to 25% and an aniline point of 120 to 126°C, and a comb-like polymethacrylate based viscosity index improver having a weight average molecular weight (Mw) of 400,000 or more, wherein a sulfur content is 0.3 mass% or less based on a total weight of the lubricating oil composition.

IPC 8 full level

C10M 169/04 (2006.01)

CPC (source: EP US)

C10M 101/00 (2013.01 - US); C10M 145/14 (2013.01 - US); C10M 169/041 (2013.01 - EP US); C10M 2203/1006 (2013.01 - EP); C10M 2203/1025 (2013.01 - EP); C10M 2205/0206 (2013.01 - EP); C10M 2209/084 (2013.01 - EP US); C10M 2223/045 (2013.01 - EP); C10M 2229/041 (2013.01 - EP); C10N 2010/04 (2013.01 - EP US); C10N 2010/12 (2013.01 - EP); C10N 2020/02 (2013.01 - EP US); C10N 2020/04 (2013.01 - US); C10N 2020/071 (2020.05 - US); C10N 2030/02 (2013.01 - EP US); C10N 2030/04 (2013.01 - EP); C10N 2030/06 (2013.01 - EP); C10N 2030/08 (2013.01 - EP); C10N 2030/54 (2020.05 - EP US); C10N 2040/25 (2013.01 - EP); C10N 2040/252 (2020.05 - EP US); C10N 2060/14 (2013.01 - EP)

C-Set (source: EP)

  1. C10M 2205/0206 + C10N 2020/00 + C10N 2020/065
  2. C10M 2209/084 + C10N 2020/04 + C10N 2020/071
  3. C10M 2223/045 + C10N 2010/04

Designated contracting state (EPC)

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

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

WO 2019063599 A1 20190404; BR 112020005861 A2 20200929; CN 111094525 A 20200501; CN 111094525 B 20220610; EP 3688126 A1 20200805; EP 3688126 B1 20240612; JP 2019065093 A 20190425; JP 6895861 B2 20210630; RU 2020112918 A 20211004; RU 2020112918 A3 20220330; US 2020224118 A1 20200716

DOCDB simple family (application)

EP 2018076094 W 20180926; BR 112020005861 A 20180926; CN 201880059831 A 20180926; EP 18780072 A 20180926; JP 2017188903 A 20170928; RU 2020112918 A 20180926; US 201816651059 A 20180926