AS

Alfred Steinmann

CI Ciba-Geigy: 2 patents #59 of 464Top 15%
📍 Villars-sur-Glâne, CH: #1 of 6 inventorsTop 20%
Overall (1994): #38,473 of 165,921Top 25%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5356740 Radiation-sensitive compositions 1994-10-18
5324804 Photoresist material based on polystyrenes 1994-06-28