公开(公告)号：US11359159B2

公开(公告)日：2022-06-14

申请号：US16626033

申请日：2018-06-25

Applicant: The Lubrizol Corporation

Inventor： Reid A. Patterson ,  Timothy R. Smith ,  Paul S. O'Hora ,  Edward P. Sampler ,  Eugene Pashkovski ,  Kieran Trickett

IPC: C10M157/04 ,  C10M145/14 ,  C10M149/02 ,  C10M169/04 ,  C10N20/00 ,  C10N30/04 ,  C10N30/06 ,  C10N30/10 ,  C10N30/18 ,  C10N40/04 ,  C10N40/08 ,  C10N40/10 ,  C10N40/25

Abstract: The invention provides a lubricating composition comprising an oil of lubricating viscosity and synergistic mixture of a functionalized ethylene-α-olefin copolymer, a poly(meth)acrylate block polymer having a substantially oil soluble block and a substantially oil insoluble block. The invention also provides a method of lubricating a mechanical device using such a lubricating composition.