Global Patent Index - EP 3064564 A4

EP 3064564 A4 20170712 - LUBRICATING OIL COMPOSITION

Title (en)

LUBRICATING OIL COMPOSITION

Title (de)

SCHMIERÖLZUSAMMENSETZUNG

Title (fr)

COMPOSITION D'HUILE DE GRAISSAGE

Publication

EP 3064564 A4 20170712 (EN)

Application

EP 14857806 A 20141030

Priority

  • JP 2013225391 A 20131030
  • JP 2014078993 W 20141030

Abstract (en)

[origin: EP3064564A1] Provided is a lubricating oil composition containing (A) 70 mass% or more and 95 mass% or less of a poly-±-olefin base oil, (B) 5 mass% or more and 20 mass% or less of an ester-based base oil, and (C) an ester-based defoaming agent, the poly-±-olefin base oil (A) being a polymer of an ±-olefin having 8 to 12 carbon atoms. The lubricating oil composition is able to keep excellent defoaming performance over a long period of time and is suitable as a step-up gear oil composition for wind power generation.

IPC 8 full level

C10M 169/04 (2006.01); C10M 105/32 (2006.01); C10M 105/38 (2006.01); C10M 107/10 (2006.01); C10M 145/14 (2006.01); C10N 20/04 (2006.01); C10N 30/18 (2006.01); C10N 40/04 (2006.01)

CPC (source: EP US)

C10M 105/34 (2013.01 - US); C10M 107/10 (2013.01 - US); C10M 129/72 (2013.01 - US); C10M 145/14 (2013.01 - US); C10M 169/04 (2013.01 - EP US); C10M 2203/10 (2013.01 - EP US); C10M 2203/108 (2013.01 - EP US); C10M 2205/022 (2013.01 - EP US); C10M 2205/026 (2013.01 - EP US); C10M 2205/0285 (2013.01 - EP US); C10M 2207/2805 (2013.01 - EP US); C10M 2207/2815 (2013.01 - US); C10M 2207/282 (2013.01 - US); C10M 2207/2835 (2013.01 - EP US); C10M 2209/084 (2013.01 - EP US); C10M 2215/04 (2013.01 - EP US); C10M 2219/068 (2013.01 - EP US); C10M 2223/04 (2013.01 - EP US); C10M 2223/041 (2013.01 - EP US); C10M 2223/043 (2013.01 - EP US); C10M 2229/02 (2013.01 - EP US); C10N 2020/02 (2013.01 - EP US); C10N 2020/04 (2013.01 - EP US); C10N 2030/10 (2013.01 - EP US); C10N 2030/18 (2013.01 - EP US); C10N 2040/04 (2013.01 - EP US)

C-Set (source: EP US)

  1. C10M 2205/022 + C10M 2205/024
  2. C10M 2203/10 + C10N 2060/02

Citation (search report)

Citation (examination)

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

DOCDB simple family (publication)

EP 3064564 A1 20160907; EP 3064564 A4 20170712; CN 105683344 A 20160615; JP 2015086286 A 20150507; JP 6235864 B2 20171122; US 2016257902 A1 20160908; WO 2015064722 A1 20150507

DOCDB simple family (application)

EP 14857806 A 20141030; CN 201480057255 A 20141030; JP 2013225391 A 20131030; JP 2014078993 W 20141030; US 201415032177 A 20141030