Invention Grant
- Patent Title: Lubricant composition
- Patent Title (中): 润滑油组成
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Application No.: US951377Application Date: 1992-09-25
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Publication No.: US5273669APublication Date: 1993-12-28
- Inventor: Rolf Schumacher , Samuel Evans , Paul Dubs
- Applicant: Rolf Schumacher , Samuel Evans , Paul Dubs
- Applicant Address: NY Ardsley
- Assignee: Ciba-Geigy Corporation
- Current Assignee: Ciba-Geigy Corporation
- Current Assignee Address: NY Ardsley
- Priority: CHX2737/88 19880718
- Main IPC: C10M133/02
- IPC: C10M133/02 ; C10M141/08 ; C10M141/10 ; C10M135/36 ; C10M133/40
Abstract:
A lubricant based on a mineral or synthetic oil is stabilized against oxidative degradation by the addition of a mixture comprising at least one specified aromatic amine of the formula I or II ##STR1## and at least one sterically hindered amine. The lubricant may contain other antioxidants or other additives. It is preferably used as motor oil.
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