发明授权
- 专利标题： Lubricating oil compositions and concentrates and the use thereof
- 专利标题（中）： 润滑油组合物和浓缩物及其用途
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申请号： US500560申请日： 1995-07-11
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公开(公告)号： US5652201A公开(公告)日： 1997-07-29
- 发明人: Andrew G. Papay , Rolfe J. Hartley
- 申请人： Andrew G. Papay , Rolfe J. Hartley
- 申请人地址： VA Richmond
- 专利权人： Ethyl Petroleum Additives Inc.
- 当前专利权人： Ethyl Petroleum Additives Inc.
- 当前专利权人地址： VA Richmond
- 主分类号： C10M159/12
- IPC分类号： C10M159/12 ; C10M163/00 ; C10M141/06 ; C10M141/08 ; C10M141/10
摘要：
Oleaginous compositions and additive concentrates therefor having enhanced performance characteristics comprise a) at least one oil-soluble overbased alkali or alkaline earth metal-containing detergent having a TBN of at least 200; and b) one or more oil-soluble boron-free additive compositions formed by heating (i) at least one boron-free oil-soluble ashless dispersant containing basic nitrogen and/or at least one hydroxyl group, with (ii) at least one inorganic phosphorus acid such that a liquid boron-free phosphorus-containing composition is formed.
公开/授权文献
- US3191575A Engine preservation method and apparatus 公开/授权日：1965-06-29
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