BA

Bernard Alquie

SA Societe Nationale Elf Aquitaine: 1 patents #176 of 490Top 40%
Overall (All Time): #3,859,167 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5146985 Hydrophilic polymer gel water sealing process Norbert Kohler, Marcel Wild 1992-09-15