SD

Siegfried Dengler

CI Ciba-Geigy: 1 patents #1,572 of 2,867Top 55%
📍 Choëx, CH: #3 of 8 inventorsTop 40%
Overall (All Time): #4,115,018 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4210757 Novel naphthoylene-perinones disperse dyestuffs Peter Loew, Christian Zickendraht, Hansrudolf Schwander 1980-07-01