C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
C10M 163/00 (2006.01) C10M 129/54 (2006.01) C10M 133/06 (2006.01) C10M 137/10 (2006.01) C10M 141/10 (2006.01) C10M 159/20 (2006.01)
Patent
CA 2370468
A hydraulic fluid comprising a lubricant base oil in combination with (a) from 0.001 to 5 %wt of magnesium salicylate, (b) from 0.01 to 8 %wt of zinc dithiophosphate, and optionally (c) from 0.001 to 5 %wt of a dicarboxylic acid or its mono- or di-ester or its mono-amide or di-amide or imide containing in total between 4 and 70 carbon atoms; and an additive package comprising magnesium salicylate, zinc dithiophosphate and optionally a dicarboxylic acid or its mono- or di-ester or its mono-amide or di-amide or imide containing in total between 4 and 70 carbon.
L'invention concerne un fluide hydraulique renfermant une huile de base lubrifiante, laquelle est combinée à a) 0,001 à 5 % en poids de salicylate de magnésium, b) 0,01 à 8 % en poids de dithiophosphate de zinc, et éventuellement c) 0,001 à 5 % en poids d'un acide dicarboxylique ou de son monoester ou diester, ou de son monoamide, diamide, ou imide, contenant au total 4 à 70 atomes de carbone; et un système adjuvant à base de salicylate de magnésium, de dithiophosphate de zinc, et éventuellement d'un acide dicarboxylique ou de son monoester ou diester, ou de son monoamide, diamide, ou imide, contenant au total 4 à 70 atomes de carbone.
Holmes Andrew John
Watson Cameron William
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
Shell Internationale Research Maatschappij B.v.
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