EK

Ellen Kohn

DA Degussa Ag: 1 patents #33 of 130Top 30%
📍 Karlsdorf-Neuthard, DE: #2 of 2 inventorsTop 100%
Overall (1989): #117,162 of 140,708Top 85%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4822851 Process for the preparation of cationized polyvinyl alcohol Reinhard Stober, Dietmar Bischoff 1989-04-18