Global Patent Index - EP 2497817 B1

EP 2497817 B1 20161221 - USE OF A MARINE LUBRICATING OIL COMPOSITE ADDITIVE

Title (en)

USE OF A MARINE LUBRICATING OIL COMPOSITE ADDITIVE

Title (de)

VERWENDUNG VON SCHMIERÖLKONZENTRATEN FÜR SCHIFFSÖLE

Title (fr)

UTILISATION D' UN ADDITIF COMPOSITE D'HUILE LUBRIFIANTE MARINE

Publication

EP 2497817 B1 20161221 (EN)

Application

EP 12158752 A 20120309

Priority

CN 201110057541 A 20110310

Abstract (en)

[origin: EP2497817A1] The present invention relates to a marine lubricating oil composite additive. Based on the total weight of the composite additive, said marine lubricating oil composite additive comprises: 25-45% sulfonate detergent with superhigh base number, 40-60% phenolate detergent with low base number, 0-8% dispersing agent, 0-4% antiwear agent, and 10-20% Group I base oil with high viscosity index which is selected from the group consisting of 400SN, 500SN and 600SN. The composite additive according to the present invention can satisfy the requirement of BOB system about the viscosity and base number, and can be blended with many system oils under a number of domestic and foreign brands so as to provide cylinder lubricating oils with different base numbers. The composite additive according to the present invention has good adaptability and excellent performances in terms of antiwear, antioxidization and high temperature detergency, which meet the requirement of marine engines about the performance of cylinder lubricating oils. Moreover, the composite additive according to the present invention is able to maintain good stability in the base oil of the system oil as well as good compatibility, and thus the lubricating performance of the cylinder lubricating oil will not be adversely affected.

IPC 8 full level

C10M 163/00 (2006.01)

CPC (source: EP US)

C10M 161/00 (2013.01 - US); C10M 163/00 (2013.01 - EP US); F01M 9/02 (2013.01 - US); C10M 2203/02 (2013.01 - EP US); C10M 2203/0206 (2013.01 - EP US); C10M 2207/028 (2013.01 - EP US); C10M 2215/086 (2013.01 - EP US); C10M 2219/046 (2013.01 - EP US); C10M 2223/045 (2013.01 - EP US); C10N 2030/04 (2013.01 - EP US); C10N 2030/06 (2013.01 - EP US); C10N 2030/10 (2013.01 - EP US); C10N 2030/26 (2020.05 - EP US); C10N 2030/52 (2020.05 - EP US); C10N 2040/252 (2020.05 - EP US); C10N 2070/02 (2020.05 - EP US)

Citation (examination)

EP 1640442 A1 20060329 - AP MOELLER MAERSK AS [DK]

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 2497817 A1 20120912; EP 2497817 B1 20161221; CN 102676272 A 20120919; CN 102676272 B 20140716; US 2012231984 A1 20120913; US 2015144429 A1 20150528; WO 2012119272 A1 20120913

DOCDB simple family (application)

EP 12158752 A 20120309; CN 2011000706 W 20110422; CN 201110057541 A 20110310; US 201213416073 A 20120309; US 201414550580 A 20141121