发明名称 |
Lubricating oil compositions |
摘要 |
A lubricating oil composition which comprises (I) a base oil selected from mineral oils having an aromatic content of not higher than 30 wt %, synthetic oils which are free of aromatic rings in the structural units, and mixtures thereof, and (II) 0.01 to 5.0 wt %, based on the total composition, of N-p-branched alkylphenyl-alphanaphthylamine which has an alkyl moiety having 12 or 15 carbon atoms and which is derived from a propylene oligomer.
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申请公布号 |
US4770802(A) |
申请公布日期 |
1988.09.13 |
申请号 |
US19870008967 |
申请日期 |
1987.01.30 |
申请人 |
NIPPON OIL CO., LTD. |
发明人 |
ISHIDA, NOBORU;YOKOYAMA, NOBUO;HIROYUKI, TAKASHIMA |
分类号 |
C10M133/12;(IPC1-7):C10M105/64;C10M107/40 |
主分类号 |
C10M133/12 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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