Inventor
TSUDA TAKEHIDE
JP14 patents
Patents
14 patentsUS5523015AJun 4, 1996
Azeotropes of hydrogen fluoride with dichloromethane, difluoromethane and chlorofluoromethane
DAIKIN IND LTD18 citations82
US5846388ADec 8, 1998
Azeotropic mixture of 1,1-difluoroethane and hydrogen fluoride and production process of 1,1-difluoroethane
DAIKIN IND LTD7 citations73
US5744659AApr 28, 1998
Process for the preparation of difluoromethane
DAIKIN IND LTD8 citations73
US6407296B1Jun 18, 2002
Process for producing difluoromethane
DAIKIN IND LTD2 citations62
US6375808B1Apr 23, 2002
Process for producing difluoromethane
DAIKIN IND LTD2 citations62
US6346172B1Feb 12, 2002
Process for producing difluoromethane
DAIKIN IND LTD4 citations62
US6049016AApr 11, 2000
Process for producing pentafluoroethane and tetrafluorochloroethane
DAIKIN IND LTD4 citations62
US6011185AJan 4, 2000
Process for producing pentafluoroethane and tetrafluorochloroethane
DAIKIN IND LTD3 citations62
US5426251AJun 20, 1995
Process for preparing 1,1,1-trifluoro-2-chloroethane and/or 1,1,1,2-tetrafluoroethane
DAIKIN IND LTD6 citations62
US5401430AMar 28, 1995
Azeotropic mixture of hydrogen fluoride and 1,1,1-trifluoro-2-chloroethane
DAIKIN IND LTD4 citations60
US5324873AJun 28, 1994
Azeotropic mixture of hydrogen fluoride and 1,1,1-trifluoro-2-chloroethane and process for purification of 1,1,1-trifluoro-2-chloroethane
DAIKIN IND LTD2 citations60
US6676809B1Jan 13, 2004
Process for removal of hydrogen fluoride
DAIKIN IND LTD1 citations52
US6311515B1Nov 6, 2001
Process for removal of hydrogen fluoride
DAIKIN IND LTD0 citations52
US6538165B1Mar 25, 2003
Process for producing difluoromethane and difluorochloromethane
DAIKIN IND LTD0 citations51