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Modestino De Feo

Thomas Schubert

Boyan Iliev

Gregory Chao

Valérie Doyen

Vanessa Pichon

Stephen Derek Rodgers

Steve Faure

The present patent application relates to the use, as detergent additive in a lubricating composition intended for a motorization system, of a spiro compound of formula (I) It also relates to a lubricating composition intended for the lubrication of a motorization system, comprising one or more base oils and at least one spiro compound of formula (I), and to a process for lubricating a motorization system using such a composition.

Spiro compound as detergent additive in lubricants for motorization systems

A lubricant composition including: from 70 to 99.99% of at least one base oil and from 0.01 to 30% of at least one alcohol ethoxylated phosphate ester compound of formula (I): wherein R is a linear or branched alkyl group having from 10 to 14 carbon atoms, m is an integer from 1 to 3, preferably from 1 to 2, n is an integer superior or equal to 6. Also, the use of the compound of formula (I) to prevent and/or reduce and/or limit and/or delay corrosion and/or tribocorrosion of the metal parts of a combustion engine.

Lubricating composition to prevent corrosion and/or tribocorrosion of metallic parts in an engine

A guanidinium-based ionic liquid compound including a 1,1,3,3-tetramethylguanidinium cation and an alcoholate anion. A lubricant composition including it, and its use as a detergent and as anti-corrosion additive in a lubricant composition, in particular a marine lubricant.

Guanidinium-based ionic liquid and its use as a lubricant additive

An ammonium-based ionic liquid compound including a tri-n-octylmethylammonium cation and a carboxylate anion. A lubricant composition including it, and its use as a detergent and/or anti-corrosion additive in a lubricant, in particular a marine lubricant.

Ammonium-based ionic liquid and its use as a lubricant additive

A product resulting from the reaction of at least: a hydroxybenzoic acid, optionally substituted by a hydrocarbyl group, or an alkali and/or alkaline earth metal salt thereof, a boron compound, a polyalkylamine component selected from triamine and tetramine compounds. Also, a lubricant composition including this product. Use of this product as a lubricant for two-stroke marine engines and four-stroke marine engines, more preferably two-stroke marine engines.

Compound comprising polyamine, acidic and boron functionalities and its use as a lubricant additive

Use of a guanidinium-based ionic liquid as detergent in a lubricant composition, notably for lubricating marine engines. A lubricant composition including a guanidinium-based ionic liquid.

Lubricant composition and use as a lubricant additive of guanidinium-based ionic liquids

A lubricant for marine engine, notably for a two-stroke marine engine. More particularly, a lubricant for a marine engine including at least one lubricant base oil and at least one di-alkylaminopolyalkylamine.

Lubricant for a marine engine

The present application relates to the use, in a lubricant composition comprising at least one base oil, of 2 to 12% by weight, relative to the weight of said lubricant composition, of an ester that has a viscosity at 100&#xb0; C. of between 200 and 1000 cSt, for the purpose of improving the cleanliness of an engine.

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Solaize, France

Modestino De Feo