Pierre Ravenel

Follow

Person

Saint-Genis-Laval, FR

People

Patents Grantslast 30 patents

Information Patent Grant
Purification of pentafluoroethane
- Patent number 5,679,876
- Issue date Oct 21, 1997
- ELF Atochem S.A.
- Serge Hub
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Continuous process for the preparation of aluminum nitride by the c...
- Patent number 5,674,465
- Issue date Oct 7, 1997
- ELF Atochem S.A.
- Pierre Ravenel
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Carbonitriding of alumina to produce aluminum nitride
- Patent number 5,538,705
- Issue date Jul 23, 1996
- Elf Atochem S.A.
- Pierre Ravenel
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Carbonitriding of alumina to produce aluminum nitride
- Patent number 5,525,321
- Issue date Jun 11, 1996
- Elf Atochem S.A.
- Pierre Ravenel
- C01 - INORGANIC CHEMISTRY