发明授权
- 专利标题： TERNARY AZEOTROPIC COMPOSITIONS
- 专利标题（中）： 三元共聚体组合物
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申请号： EP93908710.2申请日： 1993-04-01
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公开(公告)号： EP0633925B1公开(公告)日： 1998-07-15
- 发明人: MERCHANT, Abid, Nazarali , SUNG, Janet, Chiyon
- 申请人： E.I. DU PONT DE NEMOURS AND COMPANY
- 申请人地址： 1007 Market Street Wilmington Delaware 19898 US
- 专利权人： E.I. DU PONT DE NEMOURS AND COMPANY
- 当前专利权人： E.I. DU PONT DE NEMOURS AND COMPANY
- 当前专利权人地址： 1007 Market Street Wilmington Delaware 19898 US
- 代理机构： Woodcraft, David Charles
- 优先权： US864817 19920402
- 国际公布： WO9320177 19931014
- 主分类号： C11D7/50
- IPC分类号： C11D7/50 ; C23G5/028 ; C09K5/04
摘要：
Azeotropic or azeotrope-like compositions of effective amounts of 1,1,2,2,3,3,4,4-octofluorobutane; trans-1,2-dichloroethylene, cis-1,2-dichloro-ethylene, 1,1-dichloroethane, or 1,3-dichloro-1,2,2,3,3-HCFC-225cb; and an alcohol such as methanol, ethanol, or isopropanol, to form an azeotropic or azeotrope-like composition are disclosed that are useful as cleaning agents, refrigerants, aerosol propellants, heat transfer media, gaseous dielectrics, fire extinguishing agents, expansion agents for polyolefins and polyurethanes and as power cycle working fluids.
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