Invention Application
- Patent Title: ANTIOXIDANT MIXTURE FOR LOW VISCOUS POLYALKYLENE GLYCOL BASESTOCK
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Application No.: US17297415Application Date: 2019-11-14
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Publication No.: US20220033730A1Publication Date: 2022-02-03
- Inventor: Marcel HARHAUSEN , Frank RITTIG , David LEY , Michael ROIDA , Wolfgang SCHROF
- Applicant: BASF SE
- Applicant Address: DE Ludwigshafen am Rhein
- Assignee: BASF SE
- Current Assignee: BASF SE
- Current Assignee Address: DE Ludwigshafen am Rhein
- Priority: EP18208865.8 20181128
- International Application: PCT/EP2019/081358 WO 20191114
- Main IPC: C10M169/04
- IPC: C10M169/04 ; C10M107/34 ; C10M133/12 ; C10M135/26 ; C10M141/08
Abstract:
The invention relates to a lubricant comprising a polyalkylene glycol basestock, an aromatic amine of the formula (I) as defined hereinafter, and a thioether of the formula (II) as defined hereinafter. The invention further relates to a method for preparing the lubricant comprising the step of contacting the polyalkylene glycol basestock, the aromatic amine of the formula (I), and the thioether of the formula (II); and to a method for reducing the oxidative degradation of the lubricant comprising the step of contacting the polyalkylene glycol basestock, the aromatic amine of the formula (I), and the thioether of the formula (II).
Information query
IPC分类:
