- 专利标题: Nitrogen-free phosphorus compounds and lubricants containing the same
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申请号: US17077625申请日: 2020-10-22
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公开(公告)号: US11155765B2公开(公告)日: 2021-10-26
- 发明人: William D. Abraham , Mahmud M. Hussain , Kurt F. Wollenberg
- 申请人: The Lubrizol Corporation
- 申请人地址: US OH Wickliffe
- 专利权人: The Lubrizol Corporation
- 当前专利权人: The Lubrizol Corporation
- 当前专利权人地址: US OH Wickliffe
- 代理商 Michael Miller; David Shold
- 主分类号: C10M137/10
- IPC分类号: C10M137/10 ; C07F9/165 ; C10N10/04 ; C10N30/06 ; C10N40/04 ; C10N40/06 ; C10N40/08 ; C10N40/20 ; C10N40/25 ; C10N60/14
摘要:
A composition obtained by reacting an O,O′-dialkyldithiophosphoric acid with a hydroxyalkyl acrylate or a hydroxyalkyl methacrylate, and reacting the product thereof with a dialkylphosphite provides good antiwear protection.
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