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专利名称：A PROCESS FOR THE PRODUCTION OF
DIFLUOROMETHANE
发明人：RAMANATHAN, Rajasekaran,ANAND,
Rajdeep,JAIN, Anurag,RAO, Jampani,Madhusudana
申请号：EP02745779.5申请日：20020710公开号：EP1542949B1公开日：20090121
摘要：A process for vapor phase fluorination of methylene chloride with anhydroushydrogen fluoride (AHF) in the presence of a coprecipitated chromia-aluminaimpregnated with zinc salt as catalyst, removing HCl and heavier components bydistillation, subjecting HFC-32 rich cut to a further step of fluorination in the presence ofa fluorination catalyst.
申请人：SRF LTD
地址：IN
国籍：IN
代理机构：Henkel, Feiler & Hänzel
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