PG

Pierre Grancher

SA Societe Nationale Elf Aquitaine: 1 patents #2 of 22Top 10%
Overall (1982): #38,176 of 81,411Top 50%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 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