公开(公告)号：US11214752B2

公开(公告)日：2022-01-04

申请号：US16622474

申请日：2018-07-19

Applicant: BASF SE

Inventor： Szilard Csihony ,  Anja Thomas ,  Kevin J. Desantis ,  Philippe Rabbat ,  Andrea Misske ,  Johannes Barth ,  Meik Ranft ,  Peter Mueller ,  Wolfgang Grabarse ,  Christoph Fleckenstein

IPC: C10M145/00 ,  C10M145/14 ,  C10M143/06 ,  C10M169/04 ,  C10N20/00 ,  C10N40/04 ,  C10N30/00 ,  C10N20/02 ,  C10N30/02 ,  C10N40/08 ,  C10N40/20 ,  C10N40/25 ,  C10N50/10

Abstract: The present invention is directed to the use of poly(polyisobutylenemethacrylate) as viscosity index improving component in lubricating oil compositions. The invention is further related to lubricating oil compositions comprising poly(polyisobutylenemethacrylate) with enhanced shear stability.