RC

Roger D. D'Emmerez de Charmoy

GF Gaz De France: 2 patents #19 of 236Top 9%
Overall (All Time): #2,330,853 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4833112 Thioresistant catalyst for methane production Michel Przydrozny, Guy N. L. Sauvion, Jack Caillod 1989-05-23
4774261 Process of methane production by means of a thioresistant catalyst and catalyst for carrying out this process Michel Przydrozny, Guy N. L. Sauvion, Jack Caillod 1988-09-27