Refrigerant for middle- or low-temp refrigerating system
Title：
Refrigerant for middle- or low-temp refrigerating system
Application Number：
 00121160
Application Date：
 2000/07/28
Announcement Date：
 2001/01/10
Pub. Date：
Publication Number：
 1279266
Announcement Number：
 1111193
Grant Date：
Granted Pub. Date：
 2003-6-11
ApplicationType：
 Invention
State/Country：
 11[China|beijing]
IPC：
 C09K 5/04
Applicant(s)：
 Qinghua Univ.
Inventor(s)：
 Zhu Mingshan, Shi Lin, Han Lizhong
Key Words：
 Refrigerant, middle- or low-temp refrigerating system
Abstract：
 A refrigerant for middle- or low-temp refrigerating system is prepared from propane (R290), monochlorodifluoromethane (HCFC-22) and 1,1,1,2-tetrafluoroethane (HFC-134a). Its advantages include high environmental performance (ODP) and greehouse effect (GWP) and thermodynamic nature, no damage to ozonosphere and no need of modifying existing equipment.
Claim：
Priority：
PCT：
LegalStatus：

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