发明授权
- 专利标题： Silver protective lubricant composition
- 专利标题（中）： 银防护润滑剂组成
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申请号： US847747申请日： 1992-03-05
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公开(公告)号： US5302304A公开(公告)日： 1994-04-12
- 发明人: Joseph J. Valcho
- 申请人： Joseph J. Valcho
- 申请人地址： VA Richmond
- 专利权人： Ethyl Corporation
- 当前专利权人： Ethyl Corporation
- 当前专利权人地址： VA Richmond
- 主分类号： C10M133/26
- IPC分类号： C10M133/26 ; C10M163/00 ; C10M105/72 ; C10M105/56
摘要：
A method of protecting silver parts and inhibiting copper corrosion in an internal combustion engine and a silver-wear and copper-corrosion protection additive in a lubricating composition comprising a major proportion of an oil of lubricating viscosity and a minor amount of a silver-wear and copper-corrosion protection additive comprising the reaction product of an amine, formic acid, and a C.sub.5 to C.sub.60 carboxylic acid.
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