DB

Dietmar Bielefeldt

BH Bayer Healthcare: 1 patents #307 of 716Top 45%
📍 Ratingen, DE: #9 of 34 inventorsTop 30%
Overall (1989): #120,456 of 140,708Top 90%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4820847 Process for the preparation of 4-substituted 1-aryl-5-amino-pyrazoles Bernd Gallenkamp, Heinz-Jurgen Wroblowsky 1989-04-11