Global Patent Index - EP 3921397 A1

EP 3921397 A1 20211215 - LUBRICANT COMPOSITION FOR PREVENTING PRE-IGNITION

Title (en)

LUBRICANT COMPOSITION FOR PREVENTING PRE-IGNITION

Title (de)

SCHMIERMITTELZUSAMMENSETZUNG ZUR VERHINDERUNG VON VORZÜNDUNG

Title (fr)

COMPOSITION LUBRIFIANTE POUR PRÉVENIR LE PRÉ-ALLUMAGE

Publication

EP 3921397 A1 20211215 (FR)

Application

EP 20701808 A 20200131

Priority

  • FR 1901052 A 20190204
  • EP 2020052397 W 20200131

Abstract (en)

[origin: WO2020161008A1] The present invention relates to the use of a lubricant composition comprising (i) at least one boron derivative; and (ii) at least one base oil, for preventing and/or reducing pre-ignition, in particular at low speed, in a vehicle engine, wherein said composition is used during at least one change interval without the addition of a new lubricant composition, the content of boron in the composition being between 150 ppm and 350 ppm by weight.

IPC 8 full level

C10M 139/00 (2006.01); C10M 125/26 (2006.01); C10N 10/04 (2006.01); C10N 30/02 (2006.01); C10N 40/25 (2006.01); C10N 60/02 (2006.01); C10N 60/14 (2006.01)

CPC (source: EP KR US)

C10M 125/26 (2013.01 - EP KR); C10M 129/68 (2013.01 - US); C10M 133/16 (2013.01 - US); C10M 139/00 (2013.01 - EP KR); C10M 169/04 (2013.01 - KR US); C10M 2201/087 (2013.01 - EP KR); C10M 2203/1025 (2013.01 - EP KR); C10M 2205/0285 (2013.01 - EP KR); C10M 2205/04 (2013.01 - EP KR US); C10M 2205/06 (2013.01 - US); C10M 2207/026 (2013.01 - EP KR); C10M 2207/28 (2013.01 - US); C10M 2207/289 (2013.01 - EP KR); C10M 2215/064 (2013.01 - EP KR); C10M 2215/086 (2013.01 - US); C10M 2215/28 (2013.01 - EP KR); C10M 2223/045 (2013.01 - EP KR); C10M 2227/061 (2013.01 - EP KR US); C10N 2010/04 (2013.01 - EP KR US); C10N 2010/06 (2013.01 - US); C10N 2030/02 (2013.01 - EP KR US); C10N 2030/04 (2013.01 - US); C10N 2030/10 (2013.01 - US); C10N 2040/255 (2020.05 - EP KR US); C10N 2070/00 (2013.01 - US)

C-Set (source: EP)

  1. C10M 2203/1025 + C10N 2020/02
  2. C10M 2223/045 + C10N 2010/04
  3. C10M 2205/04 + C10M 2205/06 + C10N 2060/02
  4. C10M 2215/28 + C10N 2060/14

Citation (search report)

See references of WO 2020161008A1

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)

FR 3092335 A1 20200807; FR 3092335 B1 20210430; CN 113490732 A 20211008; EP 3921397 A1 20211215; JP 2022519614 A 20220324; KR 20210139243 A 20211122; US 2022119726 A1 20220421; WO 2020161008 A1 20200813

DOCDB simple family (application)

FR 1901052 A 20190204; CN 202080016830 A 20200131; EP 2020052397 W 20200131; EP 20701808 A 20200131; JP 2021545443 A 20200131; KR 20217028163 A 20200131; US 202017428201 A 20200131