Invention Grant
- Patent Title: Lubricating composition
- Patent Title (中): 润滑组成
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Application No.: US11463191Application Date: 2006-08-08
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Publication No.: US08129319B2Publication Date: 2012-03-06
- Inventor: Tadashi Katafuchi , Motoharu Ishikawa
- Applicant: Tadashi Katafuchi , Motoharu Ishikawa
- Applicant Address: JP Tokyo
- Assignee: Idemitsu Kosan Co., Ltd.
- Current Assignee: Idemitsu Kosan Co., Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2005-252153 20050831
- Main IPC: C10M169/04
- IPC: C10M169/04 ; C10M173/02
Abstract:
A lubricating composition comprising a base oil, (A) one or more kinds of compounds selected from phenolic antioxidants and aminic antioxidants, and (B) an ester compound having a disulfide structure is provided. The lubricating composition of the present invention has excellent stability against oxidation, prevents increase of acid value and sludge formation, and has low corrosivity to non-ferrous metals.
Public/Granted literature
- US20070049506A1 LUBRICATING COMPOSITION Public/Granted day:2007-03-01
Information query
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