发明名称 |
Aqueous fluid |
摘要 |
The use of a water-soluble hydroxyl di- or tri-carboxylic acid, generally in combination with an alkanolamine in an oil water fluid especially metal working or hydraulic fluids results in a fluid having excellent hard water compatibility, low foaming tendency in soft water and a good biostability; other additives such as emulsifiers, copper passivators and the like are generally present.
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申请公布号 |
US4956110(A) |
申请公布日期 |
1990.09.11 |
申请号 |
US19880180436 |
申请日期 |
1988.04.12 |
申请人 |
EXXON CHEMICAL PATENTS INC. |
发明人 |
LENACK, ALAIN L. P.;KECH, FERNAND J. |
分类号 |
C10M173/02;C10M173/00;C10N20/00;C10N30/00;C10N30/16;C10N30/18;C10N40/08;C10N40/22 |
主分类号 |
C10M173/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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