A process for the production of difluoromethane comprising contacting dichloromethane with hydrogen fluoride in the presence of a fluorination catalyst comprising zinc or a compound of zinc and a metal oxide, fluoride or oxyfluoride.
申请公布号
WO9421580(A1)
申请公布日期
1994.09.29
申请号
WO1994GB00498
申请日期
1994.03.14
申请人
IMPERIAL CHEMICAL INDUSTRIES PLC;SCOTT, JOHN, DAVID;WATSON, MICHAEL, JOHN;BONNIFACE, DAVID, WILLIAM
发明人
SCOTT, JOHN, DAVID;WATSON, MICHAEL, JOHN;BONNIFACE, DAVID, WILLIAM
