| 发明名称 |
Non-azeotropic mixtures of difluoromethane, trifluoromethane and 1,1,1,2-tetrafluoroethane and their application as refrigerant |
| 摘要 |
A non-azeotropic mixt. comprises 10-22% difluoromethane (HFC 32), 4-8% trifluoromethane (HFC 23) and 72-82% 1,1,1,2-tetrafluoroethane (HFC-134a). Also claimed is the use as a refrigerant for refrigeration or air conditioning. |
| 申请公布号 |
EP0693541(A1) |
申请公布日期 |
1996.01.24 |
| 申请号 |
EP19950401519 |
申请日期 |
1995.06.27 |
| 申请人 |
ELF ATOCHEM S.A. |
发明人 |
MACAUDIERE, SYLVIE |
| 分类号 |
F25B1/00;C07C19/08;C09K5/04 |
主分类号 |
F25B1/00 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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