发明名称 |
Synthetic ester lubricants - contg. mineral oil and methacrylate copolymer as pour point depressant |
摘要 |
<p>Lubricant compsns. comprise (a) a synthetic ester base oil derived from a pentaerythritol or trimethylolpropane and a 2-12C organic acid and (b) a pour-point depressant comprising a mixt. of a mineral lubricating oil with a pour point of -40 to +35 degrees F and a copolymer of >=2 4-18C alkyl methacrylates having a mol. wt. of 5000-500,000. The lubricants can be used in bus or truck turbine engines. The mineral oil and methacrylate copolymer act synergistically.</p> |
申请公布号 |
DE2734194(A1) |
申请公布日期 |
1979.02.08 |
申请号 |
DE19772734194 |
申请日期 |
1977.07.29 |
申请人 |
TEXACO DEVELOPMENT CORP. |
发明人 |
DAVID RUBIN,ISAAC;WALTER NEBZYDOSKI,JOHN |
分类号 |
C10M169/04;(IPC1-7):C10M3/20;C10M1/26;C10M3/22;C10M1/28 |
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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