HW

Hans D. Winkelmann

BH Bayer Healthcare: 2 patents #3,312 of 8,007Top 45%
📍 Cologne, SC: #2 of 2 inventorsTop 100%
Overall (All Time): #2,367,945 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4350573 Halogenated aromatic amines which are stable in color, and a process for their preparation Helmuth Kritzler, Walter Bohm, Ulrich Kappler 1982-09-21
4211699 Isocyanate adduct diols Karlheinz Wolf, Harald Oertel, Norbert Weimann 1980-07-08