Inventor
CHEMINAL BERNARD
FR24 patents
⚠️ This page may combine multiple inventors who share the name “CHEMINAL BERNARD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ATOCHEM
12 patentsUS5731481AMar 24, 1998
Process for the manufacture of 1,1,1,2-Tetrafluoroethane
ATOCHEM45 citations92
US5055624AOct 8, 1991
Synthesis of 1,1-dichloro-1,2,2,2-tetrafluoroethane
ATOCHEM8 citations74
US4849555AJul 18, 1989
Synthesis of 1-chloro-1, 1-difluoroethane
ATOCHEM6 citations74
US4579974AApr 1, 1986
Catalytic process for the preparation of hexafluoroacetone
ATOCHEM10 citations73
US4579976AApr 1, 1986
Catalytic process for the preparation of trifluoroacetaldehyde
ATOCHEM12 citations73
US4647706AMar 3, 1987
Process for the synthesis of 2,2,2-trifluoroethanol and 1,1,1,3,3,3-hexafluoroisopropanol
ATOCHEM7 citations71
US4643851AFeb 17, 1987
Process for preparing trifluoroacetyl chloride
ATOCHEM11 citations71
US5354928AOct 11, 1994
Process for the manufacture of 1,1,1,2-tetrafluorochloroethane and of pentafluoroethane
ATOCHEM4 citations63
US5053564AOct 1, 1991
Selective hydrogenolysis of perhalogenated ethane derivatives
ATOCHEM3 citations61
US4745236AMay 17, 1988
Synthesis of chloropentafluoroethane
ATOCHEM3 citations61
US4658070AApr 14, 1987
Process for the synthesis of 2,2,2-trifluoroethanol
ATOCHEM1 citations51
US4642386AFeb 10, 1987
Process for the preparation of pure hydrates of fluoral and of hexafluoroacetone from hemiacetals
ATOCHEM0 citations49
ATOCHEM ELF SA
8 patentsUS5880049AMar 9, 1999
Regeneration of catalysts for gas phase fluorination
ATOCHEM ELF SA19 citations92
US5523500AJun 4, 1996
Mass catalysts based on chromium and nickel oxides and their application to the fluorination of halogenated hydrocarbons
ATOCHEM ELF SA33 citations92
US5453551ASep 26, 1995
Purification of pentafluoroethane
ATOCHEM ELF SA20 citations92
US5616820AApr 1, 1997
Process for the manufacture of 1,1,1,2-tetrafluoro-2-chloroethane and of pentafluoroethane
ATOCHEM ELF SA10 citations74
US6242659B1Jun 5, 2001
Process for the manufacture of difluoromethane
ATOCHEM ELF SA12 citations73
US6395941B1May 28, 2002
Process for the purification of 1,1,1,2-tetrafluoroethane
ATOCHEM ELF SA3 citations63
US5705718AJan 6, 1998
Process for the purification of 1,1,1,2-tetrafluoroethane
ATOCHEM ELF SA3 citations63
US5430205AJul 4, 1995
Process for the purification of 1,1,1,2-tetrafluoroethane
ATOCHEM ELF SA5 citations63