发明授权
US5221493A Azeotropic compositions of 1,1,2,2,3,3,4,4-octafluorobutane and alcohols
or ketones
失效
1,1,2,2,3,3,4,4-OCTAFLUOROBUTANE和酒精或酮的AZEOTROPIC组合物
- 专利标题： Azeotropic compositions of 1,1,2,2,3,3,4,4-octafluorobutane and alcohols or ketones
- 专利标题（中）： 1,1,2,2,3,3,4,4-OCTAFLUOROBUTANE和酒精或酮的AZEOTROPIC组合物
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申请号： US779535申请日： 1991-10-18
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公开(公告)号： US5221493A公开(公告)日： 1993-06-22
- 发明人: Abid N. Merchant , Allen C. Sievert , Akimichi Yokozeki , Janet C. Sung
- 申请人： Abid N. Merchant , Allen C. Sievert , Akimichi Yokozeki , Janet C. Sung
- 申请人地址： DE Wilmington
- 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： DE Wilmington
- 主分类号： F25B1/00
- IPC分类号： F25B1/00 ; B01D12/00 ; C07C19/08 ; C07C31/04 ; C07C31/08 ; C07C31/10 ; C08J9/14 ; C09K3/00 ; C09K3/30 ; C09K5/04 ; C11D7/30 ; C11D7/50 ; C23G5/028
摘要：
Azeotropic mixtures of HFC-338pcc and an alcohol such as methanol, ethanol, isopropanol or N-propanol, or a ketone such as acetone, 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, power cycle working fluids, polymerization media, particulate removal fluids, carrier fluids, and displacement drying agents.
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