公开(公告)号：US20210147759A1

公开(公告)日：2021-05-20

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: C10M145/14 ,  C10M143/06 ,  C10M169/04

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.

公开(公告)号：US20190016987A1

公开(公告)日：2019-01-17

申请号：US16069583

申请日：2017-01-04

Applicant: BASF SE

Inventor： Szilard CSIHONY ,  Mary Elizabeth DERY ,  Philippe RABBAT ,  Ryan James FENTON

IPC: C10M169/04 ,  C08F220/18 ,  C10M145/14

Abstract: The presently claimed invention is directed to poly(meth)acrylate copolymers containing alkyl(meth)acrylate comonomer with branched C17 alkyl group. The invention is further related to lubricating oil compositions comprising poly(meth)acrylate copolymers containing alkyl(meth) acrylate comonomer with branched C17 alkyl group as viscosity index improving component.

公开(公告)号：US20220064563A1

公开(公告)日：2022-03-03

申请号：US17414624

申请日：2019-12-18

Applicant: BASF SE

Inventor： Qinggao MA ,  Rene KOSCHABEK ,  Philippe RABBAT ,  Henrik HEINEMANN ,  Karolin MONZ ,  Frank RITTIG ,  Nawid KASHANI ,  Markus SCHERER

IPC: C10M169/04 ,  C10M107/00 ,  C10M145/32

Abstract: The presently claimed invention relates to a gear oil composition having a kinematic viscosity at 40° C. in the range of ≥68 to ≤1000 cSt when measured in accordance with ASTM D445. The gear oil composition is useful as a lubricant in a gear box, especially in a wind turbine gear box.