C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
C10M 159/12 (2006.01) C10M 133/16 (2006.01) C10M 133/56 (2006.01) C10M 159/16 (2006.01)
Patent
CA 2176570
A method of increasing the static coefficient of friction of an oleaginous composition, such as an ATF, comprising adding to a major portion of an oil of lubricating viscosity a friction increasing amount of an oil soluble friction increasing reaction product comprising (a) an oil soluble substituted or unsubstituted, saturated or unsaturated, branched hydrocarbyl group containing from about 12 to about 50 total carbon atoms, (b) a linking group, and (c) a nitrogen-containing polar group, wherein the polar group contains at least one nitrogen atom and, optionally, contains at least one atom selected from the group consisting of boron, oxygen and sulfur atoms, and wherein the polar group is linked to the branched hydrocarbyl group through the linking group.
Procédé d'accroissement du coefficient de frottement statique d'une composition huileuse telle que l'ATF consistant à ajouter à une part majeure d'une huile d'une viscosité lubrifiante, une quantité accroissant le frottement d'un produit de réaction composé de (a) un groupe hydrocarbyle ramifié oléosoluble substitué ou non ou saturé ou non, contenant d'environ 12 à environ 50 atomes de carbone; (b) un groupe de liaison; et (c) un groupe polaire contenant au moins un atome d'azote, et facultativement, au moins un atome choisi dans un groupe consistant en atomes de bore, d'oxygène et de soufre, ledit groupe polaire étant lié au groupe hydrocarbyle ramifié par le groupe de liaison.
Bloch Ricardo Alfredo
Gutierrez Antonio
Nibert Roger Keith
Ryer Jack
Watts Raymond Frederick
Borden Ladner Gervais Llp
Exxon Chemical Patents Inc.
Exxonmobil Chemical Patents Inc.
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