公开(公告)号：US06512150B1

公开(公告)日：2003-01-28

申请号：US09618116

申请日：2000-07-17

Applicant: Paolo Cuzzato ,  Sergio Peron

Inventor： Paolo Cuzzato ,  Sergio Peron

IPC: C07C1738

CPC classification number: C07C17/23 ,  C07C17/202 ,  C07C17/395 ,  C07C19/08 ,  C07C19/12

Abstract: A gaseous process for reducing the amount of chloropentafluoroethane (CFC 115) impurity present in pentafluoroethane (HFC 125) characterized in that pentafluroethane is allowed to flow on a catalyst formed by a trivalent chromium salt, optionally supported, at temperatures in the range 200° C.-400° C., obtaining the reaction of chloropentafluoroethane with pentafluoroethane with formation of hexafluoroethane (FC 116) and tetrafluorochloroethane (HCFC 124).

Abstract translation: 用于减少存在于五氟乙烷（HFC 125）中的五氟乙烷（CFC 115）杂质的量的气体方法，其特征在于使五氟乙烷在任选负载的三价铬盐形成的催化剂上流动，温度范围为200℃ 400℃，得到五氟乙烷与五氟乙烷与六氟乙烷（FC 116）和四氟氯乙烷（HCFC 124）的反应。

公开(公告)号：US06479717B1

公开(公告)日：2002-11-12

申请号：US09618132

申请日：2000-07-17

Applicant: Paolo Cuzzato ,  Sergio Peron

Inventor： Paolo Cuzzato ,  Sergio Peron

IPC: C07C1908

CPC classification number: C07C17/202 ,  C07C19/08 ,  C07C19/12

Abstract: A gaseous process for eliminating chlorine atoms from a chlorofluorocarbon (CFC) of formula CnFxCly, wherein n is an integer from 1 to 3 and x+y=2n+2, wherein said compound is reacted with an hydrofluorocarbon of formula Cn′Fx′Hy′, wherein n′, x′, y′ are as above defined, in the presence of a fluorination catalyst in solid phase at temperatures in the range 200° C.-400° C.

Abstract translation: 用于从式C n F x Cly的氯氟烃（CFC）中除去氯原子的气态方法，其中n为1至3的整数，x + y = 2n + 2，其中所述化合物与式Cn'Fx'Hy的氢氟烃反应 '，其中n'，x'，y'如上所定义，在氟化催化剂存在下，在固相中的温度范围为200℃-400℃。