HF

Hellmut Felle

CI Ciba-Geigy: 1 patents #1,572 of 2,867Top 55%
📍 Oberwil, CH: #96 of 141 inventorsTop 70%
Overall (All Time): #3,971,230 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4654046 Continuous process for dyeing cellulose/polyamide blends: thermobol pad liquor containing nonionic surfactant 1987-03-31