OF

Olivier Halna du Fretay

📍 Pont-Saint-Esprit, FR: #14 of 35 inventorsTop 40%
Overall (All Time): #3,710,298 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5603811 Process for the treatment of an aqueous solution mainly containing nitric acid and hydrofluoric acid Philippe Lucas, Jean-Paul Moulin, Joseph Roussel, Jany Petit, Claude Saintouil +1 more 1997-02-18