Global Patent Index - EP 2057256 B1

EP 2057256 B1 20180509 - Method for improving the pour point of a lubricant composition

Title (en)

Method for improving the pour point of a lubricant composition

Title (de)

Methode zur Verbesserung des Pourpoints einer Schmiermittelzusammensetzung

Title (fr)

Méthode pour améliorer le point d'écoulement d'une composition lubrifiante

Publication

EP 2057256 B1 20180509 (EN)

Application

EP 07810518 A 20070717

Priority

  • US 2007016168 W 20070717
  • US 83407506 P 20060728

Abstract (en)

[origin: WO2008016484A2] The pour points of lubricating compositions are significantly improved when Group III and GTL base stocks are formulated with alkyl alkaline earth metal detergents. In a preferred embodiment, calcium alkyl salicylate detergents are used.

IPC 8 full level

C10M 163/00 (2006.01); C10M 169/04 (2006.01); C10N 30/02 (2006.01)

CPC (source: EP US)

C10M 163/00 (2013.01 - EP US); C10M 169/04 (2013.01 - EP US); C10M 2203/1006 (2013.01 - EP US); C10M 2205/0285 (2013.01 - EP US); C10M 2205/173 (2013.01 - EP US); C10M 2207/144 (2013.01 - EP US); C10M 2207/262 (2013.01 - EP US); C10N 2030/02 (2013.01 - EP US); C10N 2030/52 (2020.05 - EP US)

Designated contracting state (EPC)

DE

DOCDB simple family (publication)

WO 2008016484 A2 20080207; WO 2008016484 A3 20080410; CA 2658762 A1 20080207; EP 2057256 A2 20090513; EP 2057256 B1 20180509; US 2008026962 A1 20080131

DOCDB simple family (application)

US 2007016168 W 20070717; CA 2658762 A 20070717; EP 07810518 A 20070717; US 88066607 A 20070724