d'Elf Atochem S.A.

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of 1,1,1,2-tetrafluoroethane
- Patent number 5,600,039
- Issue date Feb 4, 1997
- d'Elf Atochem S.A.
- Jean-Michel Galland
- 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
Mixtures of 1,1,1-trifluoroethane, perfluoropropane and propane, an...
- Patent number 5,474,695
- Issue date Dec 12, 1995
- d'Elf Atochem S.A.
- Sylvie Macaudiere
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the separation of hydrogen fluoride from its mixtures w...
- Patent number 5,426,254
- Issue date Jun 20, 1995
- d'Elf Atochem S.A.
- Jean-Michel Galland
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Stabilization of 1,1-dichloro-1-fluoroethane
- Patent number 5,386,068
- Issue date Jan 31, 1995
- d'Elf Atochem S.A.
- Andre Lantz
- C07 - ORGANIC CHEMISTRY