Invention Grant
US08367879B2 Method for the preparation of 2 chloro 1,1,1,2,3,3,3 heptafluoropropane 失效
制备2氯1,1,1,2,3,3,3-七氟丙烷的方法

Method for the preparation of 2 chloro 1,1,1,2,3,3,3 heptafluoropropane
Abstract:
A method of catalytically converting 2,2, dichlorohexafluoropropane (HFC-216aa) into 2 chloro 1,1,1,2,3,3,3 heptafluoropropane (HFC-217ba) including the step of exposing the 2,2 dichlorohexafluoropropane to a chromium-containing catalyst comprising a metal oxide, a halogenated metal oxide or a metal oxyhalide, which chromium-containing catalyst comprises 0.01% to 5.0% by weight zinc or a compound of zinc.
Information query
Patent Agency Ranking
0/0