发明名称 |
LUBRICATING OIL COMPOSITION |
摘要 |
PROBLEM TO BE SOLVED: To obtain a lubricating oil compsn. which is highly oxidation-resistant and retains its excellent oxidation resistance even when long used at high temps. by compounding a lube base oil with a specific fatty acid ester and a specific nitrogen compd. in a specified ratio. SOLUTION: This compsn. is prepd. by compounding a lube base oil with 0.1-5.0 mass % (based on the compsn.; the same applies hereunder) 3-methyl-5- tert-butyl-4-hydroxyphenyl-substd. fatty acid ester represented by the formula (wherein R<1> is 1-6C alkylene; and R<2> is 1-24C alkyl or alkenyl) and 0.001-1.0 mass % at least one nitrogen compd. selected from among thiadiazole, benzotriazole and/or its deriv., and benzothiazole. |
申请公布号 |
JPH09183994(A) |
申请公布日期 |
1997.07.15 |
申请号 |
JP19950353638 |
申请日期 |
1995.12.28 |
申请人 |
NIPPON OIL CO LTD |
发明人 |
IGARASHI JINICHI;MATSUYAMA YOKO;SHIKATANI YUTAKA;YOSHIDA TOSHIO |
分类号 |
C10M169/04;C10M141/06;C10M141/08;C10N20/02;C10N20/04;C10N30/08;C10N30/10;C10N40/12;(IPC1-7):C10M169/04 |
主分类号 |
C10M169/04 |
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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