Jean-Louis Portefaix

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Caluire, FR

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Patents Grantslast 30 patents

Information Patent Grant
Hydrorefining catalyst containing ruthenium sulphide, its synthesis...
- Patent number 5,356,846
- Issue date Oct 18, 1994
- Elf Antar France
- Michele Breysse
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Hydrorefining process employing a niobium trisulfide-containing cat...
- Patent number 5,294,333
- Issue date Mar 15, 1994
- Elf France
- Michele Breysse
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Catalyst for hydrorefining hydrocarbon feedstocks containing niobiu...
- Patent number 5,157,009
- Issue date Oct 20, 1992
- Elf France
- Michele Breysse
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL