发明授权
- 专利标题： Polyurea-thickened grease composition
- 专利标题（中）： 聚脲增稠润滑脂组合物
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申请号： US09634303申请日： 2000-08-08
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公开(公告)号： US06214778B1公开(公告)日： 2001-04-10
- 发明人: Patricia R. Todd
- 申请人： Patricia R. Todd
- 主分类号： C10M12926
- IPC分类号： C10M12926
摘要：
A grease composition comprising a major amount of an oil of lubricating viscosity; a thickener selected from the group consisting of monoureas, diureas, triureas and polyureas, or mixtures thereof; and an oil soluble neutral or overbased zinc salt of a carboxylic acid selected from the group consisting of zinc salts of fatty acids, the zinc salts of hydrocarbyl-substituted salicylic acids, and zinc glyoxylates is disclosed.