发明名称 REFRIGERANT COMPOSITION
摘要 PROBLEM TO BE SOLVED: To provide a refrigerant composition being an azeotropic mixture comprising 1,1,1,2,3,3,3-heptafluoropropane and isobutane and having a boiling point lower than that of each constituent refrigerant. SOLUTION: This refrigerant composition is obtained by forming an azeotropic mixture comprising 90-70wt.% 1,1,1,2,3,3,3-heptafluoropropane and 10-30wt.% isobutane.
申请公布号 JPH0959610(A) 申请公布日期 1997.03.04
申请号 JP19950218609 申请日期 1995.08.28
申请人 SANYO ELECTRIC CO LTD 发明人 TAKEMASA KAZUO;SAWADA NORIO;IKUMI YONEZO
分类号 F25B1/00;C09K5/04 主分类号 F25B1/00
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