发明授权
EP0310366B1 A method for protecting silver parts in an internal combustion engine
失效
一种用于保护银部件在内燃发动机的方法。
- 专利标题： A method for protecting silver parts in an internal combustion engine
- 专利标题（中）： 一种用于保护银部件在内燃发动机的方法。
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申请号： EP88309008.6申请日： 1988-09-29
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公开(公告)号： EP0310366B1公开(公告)日： 1994-11-30
- 发明人: Stauffer, Richard Darrell , Lindberg, Steven Edward , Thompson, Jerry Lee
- 申请人： ETHYL CORPORATION
- 申请人地址： 330 South Fourth Street P.O. Box 2189 Richmond Virginia 23219 US
- 专利权人： ETHYL CORPORATION
- 当前专利权人： ETHYL CORPORATION
- 当前专利权人地址： 330 South Fourth Street P.O. Box 2189 Richmond Virginia 23219 US
- 代理机构： Ritter, Stephen David
- 优先权： US103184 19870930
- 主分类号： C10M163/00
- IPC分类号： C10M163/00
摘要：
Silver protective lubricant compositions essentially free of chlorine and zinc-containing compounds comprise a 1,3,4-thiadiazole, an overbased detergent and an ashless dispersant. The invention is also directed to a method of silver protection in engines which utilizes the above lubricant composition.
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