| 发明名称 |
Method of removing oily substances with hydrogen-terminated fluoropolyethers |
| 摘要 |
Use of solvents capable of removing oily substances without solubilizing them, consisting of hydrofluoropolyethers having the general formulaHF2CO (CF2O)n(CF2CF2O)mCF2Hwherein n and m are integers comprised between 0 and 20, excluding when m and n are contemporaneously 0, and having boiling point from 30 DEG to 200 DEG C. and having a molar ratio 0/C comprised between 0.5-1.
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| 申请公布号 |
US5780414(A) |
申请公布日期 |
1998.07.14 |
| 申请号 |
US19970810771 |
申请日期 |
1997.03.05 |
| 申请人 |
AUSIMONT S.P.A. |
发明人 |
SILVANI, ROSSELLA;SPATARO, GIANFRANCO;MARCHIONNI, GIUSEPPE |
| 分类号 |
C11D7/30;C07C43/12;C07C43/313;C11D7/50;C23G5/032;(IPC1-7):B08B3/04;C11D7/26 |
主分类号 |
C11D7/30 |
| 代理机构 |
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