Global Patent Index - EP 3423554 A1

EP 3423554 A1 20190109 - LUBRICATING OIL COMPOSITION HAVING IMPROVED AIR RELEASE

Title (en)

LUBRICATING OIL COMPOSITION HAVING IMPROVED AIR RELEASE

Title (de)

SCHMIERÖLZUSAMMENSETZUNG MIT VERBESSERTER LUFTFREIGABE

Title (fr)

COMPOSITION D'HUILE LUBRIFIANTE À POUVOIR DE DÉSAÉRATION AMÉLIORÉ

Publication

EP 3423554 A1 20190109 (EN)

Application

EP 17708135 A 20170220

Priority

  • US 201662302862 P 20160303
  • US 2017018587 W 20170220

Abstract (en)

[origin: WO2017151334A1] The invention provides a lubricating oil composition comprising a ethylene/α-olefin copolymer and, optionally, and additive additive comprising an amine salt of a hydrocarbyl thiophosphoric acid ester. The invention also provides a method of improving air release of a lubricating oil composition by mixing an ethylene/α-olefin copolymer with an oil of lubricating viscosity.

IPC 8 full level

C10M 169/04 (2006.01)

CPC (source: EP US)

C10M 137/10 (2013.01 - US); C10M 143/02 (2013.01 - US); C10M 161/00 (2013.01 - EP US); C10M 169/04 (2013.01 - US); C10M 2203/1006 (2013.01 - EP US); C10M 2203/1025 (2013.01 - EP US); C10M 2203/1085 (2013.01 - EP US); C10M 2205/022 (2013.01 - US); C10M 2205/024 (2013.01 - US); C10M 2205/026 (2013.01 - EP US); C10M 2219/022 (2013.01 - EP US); C10M 2223/043 (2013.01 - EP US); C10M 2223/047 (2013.01 - EP US); C10M 2223/121 (2013.01 - EP US); C10N 2020/02 (2013.01 - EP US); C10N 2030/18 (2013.01 - EP US); C10N 2040/04 (2013.01 - EP US); C10N 2040/08 (2013.01 - EP US); C10N 2060/14 (2013.01 - EP US)

Citation (search report)

See references of WO 2017151334A1

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 2017151334 A1 20170908; CA 3016139 A1 20170908; CN 109072122 A 20181221; CN 109072122 B 20220304; EP 3423554 A1 20190109; EP 3423554 B1 20220810; US 2019062666 A1 20190228; US 2020318027 A1 20201008

DOCDB simple family (application)

US 2017018587 W 20170220; CA 3016139 A 20170220; CN 201780026701 A 20170220; EP 17708135 A 20170220; US 201716081160 A 20170220; US 202016904658 A 20200618