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US 2014/0235516 A1Published application
Lubricant composition for marine engine
AssigneeTotal Marketing Services
InventorDenis Lancon
Life of this patent
Estimating the term…
Abstract
A lubricant composition for 4-stroke or 2-stroke marine engine includes at least one lubricant base oil for marine engine, at least one olefin copolymer, at least one hydrogenated styrene-isoprene copolymer, at least one glycerol ester and at least one detergent, whose use promotes fuel economy and has good properties regarding engine cleanliness, in particular crankcase cleanliness.
Claims13
A lubricant composition for 4-stroke or 2-stroke marine engine, comprising:
- a) at least one lubricating base oil,
- b) at least one olefin copolymer,
- c) at least one copolymer of styrene and hydrogenated isoprene,
- d) at least one glycerol ester, and
- e) at least one detergent.
2 more elements
A method of using a lubricant composition, the method comprising:
- using at least one glycerol ester of the lubricant composition in a 2-stroke or 4-stroke marine engine, the lubricant composition further comprising at least one lubricant base oil, at least one olefin copolymer, at least one hydrogenated styrene-isoprene copolymer, and at least one detergent;
- and
- improving the engine or a crankcase cleanliness of the 4-stroke or 2-stroke marine engine.
A concentrate of additives comprising:
- a) at least one olefin copolymer,
- b) at least one copolymer of styrene and hydrogenated isoprene,
- c) at least one glycerol ester, and
- d) at least one detergent.
1 more element
Dependencies are inferred from the claim text.