KH

Klaus Hannemann

CI Ciba-Geigy: 1 patents #137 of 464Top 30%
Overall (1994): #103,843 of 165,921Top 65%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5360455 Process for producing multicolor or tone-in-tone effects Alfred Hohener, Huanzhong Wang, Manfred Rembold 1994-11-01