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Norbert Nimmerfroh

DA Degussa Ag: 1 patents #925 of 2,007Top 50%
📍 Gelnhausen, DE: #143 of 229 inventorsTop 65%
Overall (All Time): #3,752,113 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5554258 Flotation process for mechanical pulp using a surface active agent Hans U. Suess, Ralf Grimmer 1996-09-10