发明授权
US5219488A Azeotrope-like compositions of
2-trifluoromethyl-1,1,1,2-tetrafluorobutane and ethanol or isopropanol
失效
2-三氟甲基-1,1,1,2-四氟丁烷和乙醇或异丙醇的类共沸组合物
- 专利标题： Azeotrope-like compositions of 2-trifluoromethyl-1,1,1,2-tetrafluorobutane and ethanol or isopropanol
- 专利标题（中）： 2-三氟甲基-1,1,1,2-四氟丁烷和乙醇或异丙醇的类共沸组合物
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申请号： US851447申请日： 1992-03-16
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公开(公告)号： US5219488A公开(公告)日： 1993-06-15
- 发明人: Rajat S. Basu , Ellen L. Swan , Richard M. Hollister
- 申请人： Rajat S. Basu , Ellen L. Swan , Richard M. Hollister
- 申请人地址： NJ Morris Township, Morris County
- 专利权人： Allied-Signal Inc.
- 当前专利权人： Allied-Signal Inc.
- 当前专利权人地址： NJ Morris Township, Morris County
- 主分类号： C11D7/50
- IPC分类号： C11D7/50 ; C23G5/028 ; D06L1/02
摘要：
Azeotrope-like compositions comprising 2-trifluoromethyl-1,1,1,2-tetrafluorobutane and ethanol or isopropanol and optionally nitromethane are stable and have utility as degreasing agents and as solvents in a variety of industrial cleaning applications including cold cleaning and defluxing of printed circuit boards and dry cleaning.
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