YD

Yves Darche

SA Societe Nationale Elf Aquitaine: 1 patents #12 of 71Top 20%
Overall (1989): #39,108 of 140,708Top 30%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4876389 Process for the production of organic polysulphides and catalyst system for its use Henri Gongora 1989-10-24