Bernard Cheminal

Person

Saucieu-En-Jarrest, FR

People

Patents Grantslast 30 patents

Information Patent Grant
Process for the manufacture of difluoromethane
- Patent number 6,639,115
- Issue date Oct 28, 2003
- Atofina
- Benoit Requieme
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the purification of 1,1,1,2-tetrafluoroethane
- Patent number 6,395,941
- Issue date May 28, 2002
- Elf Atochem, S.A.
- Bernard Cheminal
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the manufacture of difluoromethane
- Patent number 6,242,659
- Issue date Jun 5, 2001
- Elf Atochem, S.A.
- Benoit Requieme
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for fluorination of perchloroethylene or of pentachloroethane
- Patent number 5,932,776
- Issue date Aug 3, 1999
- Bernard Cheminal
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Regeneration of catalysts for gas phase fluorination
- Patent number 5,880,049
- Issue date Mar 9, 1999
- ELF Atochem S.A.
- Eric Lacroix
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for the manufacture of 1,1,1,2-Tetrafluoroethane
- Patent number 5,731,481
- Issue date Mar 24, 1998
- Societe Atochem
- Bernard Cheminal
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the purification of 1,1,1,2-tetrafluoroethane
- Patent number 5,705,718
- Issue date Jan 6, 1998
- ELF Atochem S.A.
- Bernard Cheminal
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the manufacture of 1,1,1,2-tetrafluoro-2-chloroethane a...
- Patent number 5,616,820
- Issue date Apr 1, 1997
- ELF Atochem S.A.
- Bernard Cheminal
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Mass catalysts based on chromium and nickel oxides and their applic...
- Patent number 5,523,500
- Issue date Jun 4, 1996
- d'Elf Atochem S.A.
- Bernard Cheminal
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Purification of pentafluoroethane
- Patent number 5,453,551
- Issue date Sep 26, 1995
- Elf Atochem S.A.
- Eric Lacroix
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the purification of 1,1,1,2-tetrafluoroethane
- Patent number 5,430,205
- Issue date Jul 4, 1995
- Elf Atochem, S.A.
- Bernard Cheminal
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the manufacture of 1,1,1,2-tetrafluorochloroethane and...
- Patent number 5,354,928
- Issue date Oct 11, 1994
- Societe ATOCHEM
- Bernard Cheminal
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Synthesis of 1,1-dichloro-1,2,2,2-tetrafluoroethane
- Patent number 5,055,624
- Issue date Oct 8, 1991
- Atochem
- Andre Lantz
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Selective hydrogenolysis of perhalogenated ethane derivatives
- Patent number 5,053,564
- Issue date Oct 1, 1991
- Societe ATOCHEM
- Bernard Cheminal
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Synthesis of 1-chloro-1, 1-difluoroethane
- Patent number 4,849,555
- Issue date Jul 18, 1989
- Societe ATOCHEM
- Bernard Cheminal
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Synthesis of chloropentafluoroethane
- Patent number 4,745,236
- Issue date May 17, 1988
- Atochem
- Robert Azerad
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the synthesis of 2,2,2-trifluoroethanol
- Patent number 4,658,070
- Issue date Apr 14, 1987
- Atochem
- Bernard Cheminal
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the synthesis of 2,2,2-trifluoroethanol and 1,1,1,3,3,3...
- Patent number 4,647,706
- Issue date Mar 3, 1987
- Atochem
- Bernard Cheminal
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing trifluoroacetyl chloride
- Patent number 4,643,851
- Issue date Feb 17, 1987
- Atochem
- Bernard Cheminal
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of pure hydrates of fluoral and of hexa...
- Patent number 4,642,386
- Issue date Feb 10, 1987
- Atochem
- Bernard Cheminal
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Catalytic process for the preparation of hexafluoroacetone
- Patent number 4,579,974
- Issue date Apr 1, 1986
- Atochem
- Bernard Cheminal
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Catalytic process for the preparation of trifluoroacetaldehyde
- Patent number 4,579,976
- Issue date Apr 1, 1986
- Atochem
- Bernard Cheminal
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Process for the manufacture of difluoromethane
- Publication number 20010003786
- Publication date Jun 14, 2001
- ELF ATOCHEM S.A.
- Benoit Requieme
- C07 - ORGANIC CHEMISTRY

Bernard Cheminal

Person

Patents Grantslast 30 patents

Process for the manufacture of difluoromethane

Process for the purification of 1,1,1,2-tetrafluoroethane

Process for the manufacture of difluoromethane

Process for fluorination of perchloroethylene or of pentachloroethane

Regeneration of catalysts for gas phase fluorination

Process for the manufacture of 1,1,1,2-Tetrafluoroethane

Process for the purification of 1,1,1,2-tetrafluoroethane

Process for the manufacture of 1,1,1,2-tetrafluoro-2-chloroethane a...

Mass catalysts based on chromium and nickel oxides and their applic...

Purification of pentafluoroethane

Process for the purification of 1,1,1,2-tetrafluoroethane

Process for the manufacture of 1,1,1,2-tetrafluorochloroethane and...

Synthesis of 1,1-dichloro-1,2,2,2-tetrafluoroethane

Selective hydrogenolysis of perhalogenated ethane derivatives

Synthesis of 1-chloro-1, 1-difluoroethane

Synthesis of chloropentafluoroethane

Process for the synthesis of 2,2,2-trifluoroethanol

Process for the synthesis of 2,2,2-trifluoroethanol and 1,1,1,3,3,3...

Process for preparing trifluoroacetyl chloride

Process for the preparation of pure hydrates of fluoral and of hexa...

Catalytic process for the preparation of hexafluoroacetone

Catalytic process for the preparation of trifluoroacetaldehyde

Patents Applicationslast 30 patents

Process for the manufacture of difluoromethane