| 发明名称 | Friction reducing additive | ||
| 摘要 | An automotive engine oil and/or fuel comprising a base stock and an organic polymeric friction reducing additive is claimed. A method of reducing friction in an automotive engine oil and/or fuel by the addition of the organic polymeric friction reducing additive to the base stock is also claimed. | ||
| 申请公布号 | US9228152(B2) | 申请公布日期 | 2016.01.05 |
| 申请号 | US201113582589 | 申请日期 | 2011.03.03 |
| 申请人 | CRODA INTERNATIONAL PLC | 发明人 | Thompson Lee;Randles Steven James;Boyde Stephen;Gamwell John;Readman Nicola |
| 分类号 | C10M145/26;C10M145/22;C10M149/18;C10M145/28;C10L1/198;C10L1/238;C10L10/08 | 主分类号 | C10M145/26 |
| 代理机构 | Jones Day | 代理人 | Jones Day |
| 主权项 | 1. A method of lubricating an automotive engine using an automotive engine oil formulation comprising a base stock and a polymeric friction reducing additive wherein the additive has a molecular weight ranging from 1000 to 30,000 Daltons and comprises the reaction product of: a) a hydrophobic polymeric sub unit which comprises a polyolefin derivatized to comprise a diacid and/or anhydride group; b) a hydrophilic polymeric sub unit which comprises a hydrophilic polymer selected from polyethers; and c) at least one of the following: i) at least one backbone moiety capable of linking together polymeric sub units; orii) a chain terminating group. | ||
| 地址 | Goole, East Yorkshire GB | ||