C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
253/115
C10M 145/10 (2006.01) C10L 1/22 (2006.01) C10L 1/24 (2006.01) C10M 133/16 (2006.01) C10M 133/52 (2006.01) C10M 143/02 (2006.01) C10M 149/06 (2006.01) C10M 149/18 (2006.01) C10M 151/02 (2006.01) C10M 159/12 (2006.01)
Patent
CA 2015063
ABSTRACT OF THE DISCLOSURE The present invention is directed to a composition of matter useful as a multifunctional viscosity improver-dispersant for oleaginous compositions, particularly lubricating oil compositions, comprising at least one adduct or reaction product of (A) ethylene copolymer, preferably ethylene propylene copolymer of at least 15,000 number average molecular weight grafted with monounsaturated mono- or dicarboxylic acid material; and (B) amido-amine or thioamido-amine comprising reaction product of at least one amine, preferably polyamine, and an alpha, beta-unsaturated compound represented by the formula Image wherein X is sulfur or oxygen, Y is -OR4, -SR4, or Image and R1, R2, R3, R4 and R5 are independently selected from hydrogen, hydrocarbyl, and substituted hydrocarbyl. The present invention is also directed to oleaginous compositions and concentrates, particularly lubricating oil compositions and concentrates, containing said nitrogen containing carboxylic acid material grafted high molecular weight ethylene copolymer adduct.
Gutierrez Antonio
Lundberg Dean
Borden Ladner Gervais Llp
Exxon Chemical Patents Inc.
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