GF

Gerhard Franckowiak

BH Bayer Healthcare: 4 patents #90 of 716Top 15%
📍 Wuppertal, DE: #17 of 128 inventorsTop 15%
Overall (1989): #5,250 of 140,708Top 4%
4
Patents 1989

Issued Patents 1989

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4886804 Circulation-active dihydropyridine ethers Martin Bechem, Rainer Gross, Siegfried Hebisch, Matthias Schramm 1989-12-12
4886816 Circulation-active dioxyalkylenearyl-dihydropyridines Albrecht Marhold, Martin Bechem, Rainer Gross, Michael Kayser, Matthias Schramm +1 more 1989-12-12
4876254 Circulation-active substituted 5-nitro-1,4-dihydropyridines Michael Kayser, Matthias Schramm, Gunther Thomas, Rainer Gross, Elisabeth Perzborn +1 more 1989-10-24
4876255 Substituted 1,4-dihydropyridines for control of circulation and thromboses Ulrich Rosentreter, Elisabeth Perzborn, Friedel Seuter, Michael Kayser, Gunther Thomas 1989-10-24