WK

Willi Kreuder

Hoechst Gmbh: 1 patents #243 of 721Top 35%
Overall (1997): #59,761 of 185,788Top 35%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5621131 Conjugated polymers having spiro centers and their use as electroluminescence materials Donald Lupo, Josef Salbeck, Hermann Schenk, Thomas Stehlin 1997-04-15