发明授权
- 专利标题： Near-azeotropic blends for use as refrigerants with pentafluoroethane, trifluoroethane, and tetrafluoroethane
- 专利标题（中）： 近共沸混合物用作五氟乙烷三氟乙烷和四氟乙烷的制冷剂
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申请号： US478146申请日： 1995-06-07
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公开(公告)号： US5635099A公开(公告)日： 1997-06-03
- 发明人: Donald B. Bivens , Mark B. Shiflett , Akimichi Yokozeki
- 申请人： Donald B. Bivens , Mark B. Shiflett , Akimichi Yokozeki
- 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： C07C19/08
- IPC分类号： C07C19/08 ; C07C19/10 ; C07C23/04 ; C09K5/04 ; F25B1/00
摘要：
Near-Azeotropic blends of:pentafluoroethane and 1,1,1-trifluoroethane with one or more of chlorodifluoromethane, 1,2,2,2-tetrafluoroethane, 1,1,2,2-tetrafluoroethane, 1-chloro-1,1,2,2-tetrafluoroethane, 1-chloro-1,2,2,2-tetrafluoroethane, 1,1,1,2,3,3,3-heptafluoropropane, 1,1,1,2,2,3,3-heptafluoropropane, and perfluorocyclopropane;chlorodifluoromethane and pentafluoroethane with one or more of ethane, butane, isobutane, dimethyl ether, propylene, and difluoromethane;chlorodifluoromethane with 1,1,1-trifluoroethane and 1,2,2,2-tetrafluoroethane, propane and pentafluoroethane, or 1,1,1-trifluoroethane and octafluoropropane;and pentafluoroethane with fluoroethane and 1,2,2,2-tetrafluoroethane, along with their use as refrigerants.
公开/授权文献
- US5062963A Method and apparatus for removing sludge from a spray booth 公开/授权日：1991-11-05
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