PG

Pierre Grancher

SA Societe Nationale Elf Aquitaine: 2 patents #98 of 490Top 20%
Overall (All Time): #2,367,489 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4343778 Process for the purification of residual industrial gases containing small quantities of sulfur compounds Jacques Batteux, Claude Blanc 1982-08-10
4291003 Process for the purification of residual industrial gases containing small quantities of sulfur compounds Jacques Batteux, Claude Blanc 1981-09-22