发明名称 |
Automatic transmission fluids with phthalic acid corrosion inhibitor |
摘要 |
A phthalic acid such as terephthalic acid is made soluble in an oil of lubricating viscosity by first mixing it with at least one phosphorus compound. The resulting product is useful for reducing corrosion in a transmission lubricant.
|
申请公布号 |
US7429554(B2) |
申请公布日期 |
2008.09.30 |
申请号 |
US20040752894 |
申请日期 |
2004.01.07 |
申请人 |
THE LUBRIZOL CORPORATION |
发明人 |
TIPTON CRAIG D.;WATERS BILL A. |
分类号 |
C10M141/10;C07C55/02;C10M133/56;C10M141/02;C10M141/06;C10M141/12;C10M163/00 |
主分类号 |
C10M141/10 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|