C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
C10M 141/06 (2006.01) C10M 129/95 (2006.01) C10M 133/02 (2006.01) C10M 133/56 (2006.01) C10M 137/02 (2006.01) C10M 137/08 (2006.01) C10M 137/10 (2006.01) C10M 139/00 (2006.01) C10M 141/08 (2006.01) C10M 159/24 (2006.01) C10M 163/00 (2006.01)
Patent
CA 2492146
A fluid composition of (a) a friction modifier derived from the reaction of a carboxylic acid or a reactive equivalent thereof with an aminoalcohol, the friction modifier containing at least two hydrocarbyl groups; and (b) a dispersant other than a species of (a), provides good friction properties to an automatic transmission.
La présente invention concerne une composition fluide comportant (a) un modificateur de frottement dérivé de la réaction d'un acide carboxylique ou d'un équivalent réactif de cet acide avec un amino-alcool, ledit modificateur de frottement contenant au moins deux groupes hydrocarbyle ; et (b) un agent dispersant autre qu'une espèce représenté par (a). Cette composition confère de bonnes caractéristiques de frottement à une transmission automatique.
Adams Paul E.
Bush James H.
Lahiri Shreyasi
Tipton Craig D.
Ridout & Maybee Llp
The Lubrizol Corporation
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