WP

Walter Portmann

SA Sandoz Ag: 1 patents #497 of 1,103Top 50%
📍 Gelterkinden, CH: #14 of 24 inventorsTop 60%
Overall (All Time): #4,022,009 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4543128 Fillers dyed with polycationic dyestuffs useful for coloring paper and non-woven fabrics Juerg Troesch 1985-09-24