EP 3029133 A1 20160608 - MARINE ENGINE LUBRICATION
Title (en)
MARINE ENGINE LUBRICATION
Title (de)
SCHMIERUNG FÜR EINEN SCHIFFSMOTOR
Title (fr)
LUBRIFICATION DE MOTEUR MARIN
Publication
Application
Priority
- US 201414560231 A 20141204
- EP 15153647 A 20150203
- US 201514923535 A 20151027
- EP 15195322 A 20151119
Abstract (en)
A trunk piston marine engine lubricant comprises in respective minor amounts (A) an overbased metal hydrocarbyl-substituted hydroxybenzoate detergent system, and (B) a hydrocarbyl-subsituted succinic acid anhydride, preferably made by halogen- or radical-assisted functionalization processes, where the ratio of succinic anhydride to hydrocarbyl chains is in the range of 1.4 to 4. The lubricant, when used to lubricate such an engine fuelled by heavy fuel oil, exhibits improved control of asphaltene precipitation and deposition on engine surfaces.
IPC 8 full level
C10M 141/02 (2006.01); C10M 169/04 (2006.01); C10N 10/04 (2006.01); C10N 30/04 (2006.01); C10N 40/25 (2006.01)
CPC (source: EP)
C10M 163/00 (2013.01); C10M 165/00 (2013.01); C10M 2203/1025 (2013.01); C10M 2207/129 (2013.01); C10M 2207/262 (2013.01); C10M 2215/28 (2013.01); C10N 2020/04 (2013.01); C10N 2030/04 (2013.01); C10N 2030/52 (2020.05); C10N 2040/252 (2020.05); C10N 2070/02 (2020.05)
Citation (applicant)
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Citation (search report)
- [A] WO 2010115594 A1 20101014 - INFINEUM INT LTD [GB], et al
- [A] EP 2765179 A1 20140813 - INFINEUM INT LTD [GB]
- [A] EP 2644687 A1 20131002 - INFINEUM INT LTD [GB]
- [A] EP 2735603 A1 20140528 - INFINEUM INT LTD [GB]
- [A] EP 2123739 A1 20091125 - INFINEUM INT LTD [GB]
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)
EP 3029133 A1 20160608; EP 3029133 B1 20170315; AU 2015264882 A1 20160623; AU 2015264882 B2 20161208; CA 2913603 A1 20160604; CA 2913603 C 20230103; CN 105670746 A 20160615; CN 115353926 A 20221118; ES 2620681 T3 20170629; JP 2016108565 A 20160620; JP 6777395 B2 20201028; KR 102481890 B1 20221228; KR 20160067774 A 20160614; SG 10201509951R A 20160728
DOCDB simple family (application)
EP 15195322 A 20151119; AU 2015264882 A 20151203; CA 2913603 A 20151130; CN 201510882756 A 20151203; CN 202211019360 A 20151203; ES 15195322 T 20151119; JP 2015236868 A 20151203; KR 20150171342 A 20151203; SG 10201509951R A 20151203