Novel dispersant viscosity index improver compositions

Details Novel dispersant viscosity index improver compositions Novel dispersant viscosity index improver compositions

C - Chemistry, Metallurgy

10

M

C10M 149/02 (2006.01) C08F 8/32 (2006.01) C10M 143/02 (2006.01) C10M 149/04 (2006.01) C10M 149/08 (2006.01)

Patent

CA 2077553

The novel compositions of the present invention comprise (A) lubricating oil and (B) at least one amino-substituted polym- er (e.g., an ethylene alpha-olefin interpolymer substituted by primary amino or secondary amino groups). Preferred amino-substi- tuted interpolymers comprise amino-substituted ethylene propylene norborneneterpolymers. The polymers of this invention are oil soluble and are useful as viscosity index improver dispersants in oleaginous compositions.

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