JP

Jean-Louis Portefaix

EF Elf France: 2 patents #36 of 154Top 25%
EF Elf Antar France: 1 patents #33 of 104Top 35%
📍 Caluire, FR: #28 of 135 inventorsTop 25%
Overall (All Time): #1,653,723 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5356846 Hydrorefining catalyst containing ruthenium sulphide, its synthesis and hydrorefining process using the said catalyst Michele Breysse, Martine Cattenot, Thierry Des Courieres, Christian Gachet 1994-10-18
5294333 Hydrorefining process employing a niobium trisulfide-containing catalyst Michele Breysse, Thierry Des Courieres, Michel Danot, Christophe Geantet 1994-03-15
5157009 Catalyst for hydrorefining hydrocarbon feedstocks containing niobium trisulphide Michele Breysse, Thierry Des Courieres, Michel Danot, Christophe Geantet 1992-10-20