Global Patent Index - EP 2371934 A1

EP 2371934 A1 20111005 - Lubricating oil composition

Title (en)

Lubricating oil composition

Title (de)

Schmierölzusammensetzung

Title (fr)

Composition d'huile lubrifiante

Publication

EP 2371934 A1 20111005 (EN)

Application

EP 11159502 A 20110324

Priority

  • EP 10158789 A 20100331
  • EP 11159502 A 20110324

Abstract (en)

A lubricating oil composition having a phosphorus content of up to 0.12 wt%, a sulfated ash content of up to 1.2 wt% comprising (a) a major amount of an oil of lubricating viscosity; (b) an alkali metal or alkaline earth metal alkyl salicylate lubricating oil detergent providing from 7-15 mmol salicylate soap per kilogram of lubricating oil composition; (c) one or more dispersants providing the lubricating oil composition with from at least 0.12 wt% to 0.20 wt% atomic nitrogen, based on the weight of the lubricating oil composition, and (d) a dispersant-viscosity modifier.

IPC 8 full level

C10M 163/00 (2006.01); C10M 167/00 (2006.01); C10N 30/06 (2006.01); C10N 40/25 (2006.01)

CPC (source: EP US)

C10M 163/00 (2013.01 - EP US); C10M 167/00 (2013.01 - EP US); C10M 2203/10 (2013.01 - EP US); C10M 2203/102 (2013.01 - EP US); C10M 2207/262 (2013.01 - EP US); C10M 2215/28 (2013.01 - EP US); C10M 2219/046 (2013.01 - EP US); C10M 2219/068 (2013.01 - EP US); C10M 2223/045 (2013.01 - EP US); C10M 2227/09 (2013.01 - EP US); C10N 2010/12 (2013.01 - EP US); C10N 2030/02 (2013.01 - EP US); C10N 2030/06 (2013.01 - EP US); C10N 2030/12 (2013.01 - EP US); C10N 2030/40 (2020.05 - EP US); C10N 2030/42 (2020.05 - EP US); C10N 2030/43 (2020.05 - EP US); C10N 2030/45 (2020.05 - EP US); C10N 2030/72 (2020.05 - EP US); C10N 2040/25 (2013.01 - EP US); C10N 2040/252 (2020.05 - EP US)

Citation (applicant)

Citation (search report)

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)

EP 2371934 A1 20111005; EP 2371934 B1 20170315; BR PI1101393 A2 20120814; BR PI1101393 B1 20181121; CA 2735498 A1 20110930; CA 2735498 C 20180116; CN 102206535 A 20111005; CN 102206535 B 20150128; JP 2011214004 A 20111027; JP 5738054 B2 20150617; US 2011245120 A1 20111006

DOCDB simple family (application)

EP 11159502 A 20110324; BR PI1101393 A 20110330; CA 2735498 A 20110330; CN 201110079689 A 20110331; JP 2011092460 A 20110331; US 201113075223 A 20110330