C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
C10M 163/00 (2006.01) C10M 129/76 (2006.01) C10M 133/12 (2006.01) C10M 135/24 (2006.01) C10M 141/08 (2006.01) C10M 159/18 (2006.01)
Patent
CA 2337242
The use of oil soluble organo molybdenum compounds in combination with phenolic or amenic antioxidants has been found to improve the dispersancy retention capability of crankcase lubricants. Thus in one embodiment the present invention comprises improving dispersancy retention of a crankcase lubricant by including in the crankcase lubricant composition an oil soluble organomolybdenum compounds and at least one of a phenolic or aminic antioxidant. Particularly preferred organomolybdenum compounds are molybdenum dithiocarbamates while a mixture of a diarylamine and two phenolic antioxidants are preferred.
L'utilisation de composés organiques de molybdène liposolubles en association avec des antioxydants phénoliques ou aminiques s'est avérée accroître la capacité de dispersion des lubrifiants de carters. Dans l'une des exécutions on accroît ladite capacité de dispersion du lubrifiant en lui ajoutant un composé liposoluble organique de molybdène et au moins un antioxydant phénolique ou aminique. Lesdits composés les plus particulièrement préférés sont des dithiocarbamates de molybdène mélangés à de la diarylamine et à deux antioxydants phénoliques.
Elnicki John David
Fyfe Kim Elisabeth
Gao Jason Zhisheng
Borden Ladner Gervais Llp
Exxon Research And Engineering Company
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