C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
C10M 141/00 (2006.01) C10M 129/36 (2006.01) C10M 129/40 (2006.01) C10M 129/58 (2006.01) C10M 129/76 (2006.01) C10M 133/06 (2006.01) C10M 135/26 (2006.01) C10M 137/02 (2006.01) C10M 137/04 (2006.01) C10M 137/10 (2006.01) C10M 141/10 (2006.01)
Patent
CA 2447044
Lubricating oil composition comprising a minor amount of an additive combination comprising (i) a carboxylic acid-based or carboxylic acid ester based anti-rust agent; (ii) at least one type of amine selected from among the group comprising (A) the alkyl amines which can be represented by general formula (1) (R1)nNH3-n, wherein R1 represents a saturated or unsaturated alkyl group which has from 12 to 30 carbon atoms, and n is an integer of value 1 or 2; and (B) the N-alkylpolyalkylenediamines which can be represented by general formula (2) R2NH(CH2)mNH2, wherein R2 represents a saturated or unsaturated alkyl group which has from 12 to 30 carbon atoms, and m is an integer of value from 2 to 5; and a major amount of lubricating oil base oil.
La présente invention concerne une composition d'huile lubrifiante comprenant une quantité mineure d'une combinaison d'addition comprenant: (i) une agent antirouille à base d'acide carboxylique ou d'ester d'acide carboxylique; (ii) au moins un type d'amine choisi parmi le groupe comprenant (A) les alkyl amines qui peuvent être représentées par la formule générale (1) (R?1¿)¿n?NH¿3-n?, dans laquelle R?1¿ représente un groupe alkyle saturé ou insaturé qui a de 12 à 30 atomes de carbone, et n est un entier valant 1 ou 2, et (B) les N-alkyl polyalkylène diamines qui peuvent être représentées par la formule générale (2) R?2¿NH(CH¿2?)¿m?NH¿2?, dans laquelle R?2¿ représente un groupe alkyle saturé ou insaturé qui a de 12 à 30 atomes de carbone, et m est un entier valant de 2 à 5. Ladite composition d'huile lubrifiante comprend une quantité majeure d'huile de base lubrifiante.
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
Shell Internationale Research Maatschappij B.v.
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