Invention Grant
- Patent Title: Lubricating oil composition comprising dispersant comb polymers
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Application No.: US16468781Application Date: 2017-12-15
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Publication No.: US10941368B2Publication Date: 2021-03-09
- Inventor: Tsuyoshi Yuki , Yasuo Arai , Tomohiro Matsuda , Nobuhiro Kishida
- Applicant: Evonik Operations GmbH
- Applicant Address: DE Essen
- Assignee: Evonik Operations GmbH
- Current Assignee: Evonik Operations GmbH
- Current Assignee Address: DE Essen
- Agency: Grüneberg and Myers, PLLC
- Priority: EP16205042 20161219
- International Application: PCT/EP2017/083038 WO 20171215
- International Announcement: WO2018/114673 WO 20180628
- Main IPC: C10M145/14
- IPC: C10M145/14 ; C10M169/04 ; C08F290/04 ; C10M135/18 ; C10M149/04 ; C10M149/06 ; C10M161/00 ; C10N20/04 ; C10N20/00 ; C10N30/02 ; C10N40/25
Abstract:
Selected comb polymers contain specified amounts of macromonomer and nitrogen-containing (meth)acrylates. Lubricant compositions can contain such comb polymers. The selected comb polymers can be used as solubilizers in lubricant compositions, especially in engine oil (EO) compositions.
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