发明公开
- 专利标题： A lubricating oil composition
- 专利标题（中）： 润滑油组合物
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申请号： EP92309033.6申请日： 1992-10-02
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公开(公告)号： EP0535990A1公开(公告)日： 1993-04-07
- 发明人: Kagaya, Mineo , Ishimaru, Mitsuaki , Ishii, Hiroaki
- 申请人： NIPPON OIL COMPANY, LIMITED
- 申请人地址： 3-12, 1-chome, Nishi-Shimbashi Minato-ku Tokyo JP
- 专利权人： NIPPON OIL COMPANY, LIMITED
- 当前专利权人： NIPPON OIL COMPANY, LIMITED
- 当前专利权人地址： 3-12, 1-chome, Nishi-Shimbashi Minato-ku Tokyo JP
- 代理机构： Silverman, Warren
- 优先权： JP284083/91 19911004
- 主分类号： C10M105/32
- IPC分类号： C10M105/32 ; C10M169/04 ; C10M111/02
摘要：
The lubricating oil composition of the present invention comprising an ester mixture as the main ingredient consisting of (A) 60 - 95 % by weight of an ester of a hindered alcohol with a straight-chain saturated fatty acid having 8 - 12 carbon atoms, and (B) 5 - 40 % by weight of a complex ester of a hindered alcohol with a straight-chain saturated fatty acid having 8 - 12 carbon atoms and also with a dibasic acid having 2 - 50 carbon atoms, the composition having excellent performances such as biodegradability, high-temperature engine cleanliness, lubricity and piston seizure preventiveness which are conductive to environmental protection.
公开/授权文献
- EP0535990B1 A lubricating oil composition 公开/授权日：1997-01-02
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