EP 1997870 A1 20081203 - Lubricating oil compositions

Title (en)

Lubricating oil compositions

Title (de)

Schmierölzusammensetzungen

Title (fr)

Compositions d'huile lubrifiante

Publication

EP 1997870 A1 20081203 (EN)

Application

EP 08104884 A 20050721

Priority

EP 05106712 A 20050721
EP 04255130 A 20040826
EP 08104884 A 20050721

Abstract (en)

A marine diesel cylinder lubricant for a crosshead marine diesel engine, having a TBN of greater than 55 mg KOH/g and comprising oil of lubricating viscosity and a metal-free oil-soluble hydrocarbyl phenol aldehyde condensate having the following structure: wherein n is 0 to 10; Y is a divalent bridging group; and R is a hydrocarbyl group having from 4 to 30 carbon atoms.

IPC 8 full level

C10M 163/00 (2006.01); C10M 129/14 (2006.01); C10M 165/00 (2006.01)

CPC (source: EP)

C10M 129/14 (2013.01); C10M 163/00 (2013.01); C10M 165/00 (2013.01); C10M 2207/023 (2013.01); C10M 2207/024 (2013.01); C10M 2207/028 (2013.01); C10M 2207/046 (2013.01); C10M 2207/24 (2013.01); C10M 2207/262 (2013.01); C10M 2209/101 (2013.01); C10M 2215/28 (2013.01); C10M 2219/02 (2013.01); C10M 2219/046 (2013.01); C10M 2219/087 (2013.01); C10M 2223/045 (2013.01); C10N 2010/04 (2013.01); C10N 2020/04 (2013.01); C10N 2020/071 (2020.05); C10N 2030/02 (2013.01); C10N 2030/06 (2013.01); C10N 2030/08 (2013.01); C10N 2030/52 (2020.05); C10N 2040/252 (2020.05); C10N 2040/255 (2020.05); C10N 2060/14 (2013.01)

C-Set (source: EP)

Citation (applicant)

US 2004010965 A1 20040122 - KRULL MATTHIAS [DE]
WO 9746643 A1 19971211 - EXXON CHEMICAL PATENTS INC [US], et al
WO 9746644 A1 19971211 - EXXON CHEMICAL PATENTS INC [US], et al
WO 9746645 A1 19971211 - EXXON CHEMICAL PATENTS INC [US], et al
WO 9746646 A1 19971211 - EXXON CHEMICAL PATENTS INC [US], et al
WO 9746647 A1 19971211 - EXXON CHEMICAL PATENTS INC [US], et al

Citation (search report)

[Y] US 6277794 B1 20010821 - DUNN ADRIAN [GB]
[A] US 2004010965 A1 20040122 - KRULL MATTHIAS [DE]
[A] US 5259967 A 19931109 - RIPPLE DAVID E [US]
[A] EP 1191088 A1 20020327 - INFINEUM INT LTD [GB]
[Y] ANONYMOUS: "Methylene-bridged alkyl phenols", RESEARCH DISCLOSURE, MASON PUBLICATIONS, HAMPSHIRE, GB, vol. 422, no. 73, 1 June 1999 (1999-06-01), XP007124476, ISSN: 0374-4353

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 NL PL PT RO SE SI SK TR

DOCDB simple family (publication)

EP 1630223 A1 20060301; EP 1997870 A1 20081203

DOCDB simple family (application)

EP 05106712 A 20050721; EP 08104884 A 20050721