PE

Pierre Etchart

EF Elf France: 1 patents #61 of 154Top 40%
📍 Francheville, FR: #46 of 85 inventorsTop 55%
Overall (All Time): #4,046,628 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4367074 Novel filter aid compositions for improving the limiting filterability temperature and inhibition of n-paraffin crystal formation during low temperature of middle distillates Paul Maldonado, Daniele Eber 1983-01-04