EP 1903093 A1 20080326 - A LUBRICATING OIL COMPOSITION
Title (en)
A LUBRICATING OIL COMPOSITION
Title (de)
SCHMIERÖLZUSAMMENSETZUNG
Title (fr)
COMPOSITION D'HUILE DE LUBRIFICATION
Publication
Application
Priority
- EP 06120924 A 20060919
- EP 07113742 A 20070802
Abstract (en)
A lubricating oil composition including at least one sulphurized overbased metal phenate detergent prepared from a C 9 -C 15 alkyl phenol, at least one sulphurizing agent, at least one metal and at least one overbasing agent. The detergent includes less than 6.0% by combined mass of unsulphurized C 9 -C 15 alkyl phenol and its unsulphurized metal salt. The lubricating oil composition exhibits an improved rate of acid neutralization.
IPC 8 full level
C10M 159/22 (2006.01); C10N 30/04 (2006.01); C10N 40/25 (2006.01); C10N 70/00 (2006.01)
CPC (source: EP)
C10M 159/22 (2013.01); C10M 2207/126 (2013.01); C10M 2219/089 (2013.01); C10N 2010/02 (2013.01); C10N 2030/04 (2013.01); C10N 2030/52 (2020.05); C10N 2040/252 (2020.05); C10N 2070/00 (2013.01)
Citation (search report)
- [X] US 5024773 A 19910618 - LISTON THOMAS V [US]
- [X] EP 0989178 A1 20000329 - COSMO SOGO KENKYUSHO KK [JP], et al
- [X] US 4123371 A 19781031 - HORI TAKASHI, et al
- [A] EP 0094814 A2 19831123 - EXXON RESEARCH ENGINEERING CO [US]
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA HR MK YU
DOCDB simple family (publication)
DOCDB simple family (application)
EP 07113742 A 20070802