Additive and fuel compositions containing detergent and...

C - Chemistry – Metallurgy – 10 – L

Patent

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Details

C10L 1/22 (2006.01) C10L 1/14 (2006.01) C10L 10/00 (2006.01) C10L 10/18 (2006.01)

Patent

CA 2584725

A fuel additive composition comprises (a) a Mannich reaction product and (b) a polyetheramine where the weight ratio on an actives basis of component (a) to component (b) is 1:4-10. A fuel composition and a method for removing intake valve deposits and combustion chamber deposits in a spark-ignited internal combustion engine comprise the fuel additive composition which is very effective in removing the deposits.

La présente invention a pour objet une formule d~additif pour carburant comprenant (a) un produit de réaction de Mannich et (b) une polyétheramine. Le rapport massique de la quantité active du composant (a) sur celle du composant (b) est compris entre 1 : 4 et 1 : 10. La présente invention décrit également une formule de carburant, ainsi qu~une méthode d'élimination de dépôts sur la soupape d~admission et la chambre de combustion d~un moteur à explosion, qui impliquent toutes deux l~emploi de la formule d'additif pour carburant, dont la capacité d~élimination de dépôts est excellente.

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