| 发明名称 |
Solvent cleaning agents including additives of the formula Rf-CFX-L containing perfluoroalkylenic units |
| 摘要 |
Use of solvents capable of removing oily substances without solubilizing them, consisting of hydrofluoropolyethers having the general formula HF2CO(CF2O)n(CF2CF2O)mCF2H wherein 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 |
US6020298(A) |
申请公布日期 |
2000.02.01 |
| 申请号 |
US19980071807 |
申请日期 |
1998.05.04 |
| 申请人 |
AUSIMONT S.P.A. |
发明人 |
SILVANI, ROSSELLA;SPATARO, GIANFRANCO;MARCHIONNI, GIUSEPPE |
| 分类号 |
C11D7/50;(IPC1-7):C11D3/24;C11D3/20;C11D3/43 |
主分类号 |
C11D7/50 |
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