Invention Grant
- Patent Title: Lubricant composition containing copolymers of polyisobutylenemethacrylate
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Application No.: US16622474Application Date: 2018-07-19
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Publication No.: US11214752B2Publication Date: 2022-01-04
- Inventor: Szilard Csihony , Anja Thomas , Kevin J. Desantis , Philippe Rabbat , Andrea Misske , Johannes Barth , Meik Ranft , Peter Mueller , Wolfgang Grabarse , Christoph Fleckenstein
- Applicant: BASF SE
- Applicant Address: DE Ludwigshafen am Rhein
- Assignee: BASF SE
- Current Assignee: BASF SE
- Current Assignee Address: DE Ludwigshafen am Rhein
- Agency: Faegre Drinker Biddle & Reath LLP
- International Application: PCT/EP2018/069650 WO 20180719
- International Announcement: WO2019/020491 WO 20190131
- Main IPC: C10M145/00
- 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.
Public/Granted literature
- US20210147759A1 LUBRICANT COMPOSITION CONTAINING COPOLYMERS OF POLYISOBUTYLENEMETHACRYLATE Public/Granted day:2021-05-20
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