KP

Karl-Erwin Piejko

BH Bayer Healthcare: 2 patents #186 of 716Top 30%
MI Miles: 1 patents #11 of 79Top 15%
📍 Cologne, MA: #1 of 1 inventorsTop 100%
Overall (1989): #9,253 of 140,708Top 7%
3
Patents 1989

Issued Patents 1989

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4879367 Process for the preparation of aliphatic polycarbonates with alkoxy silane initiator Bruno Bomer, Hans-Josef Buysch, Michael Hullmann 1989-11-07
4801669 Process for the quasi-ionic polymerization of acrylic acid derivatives Ralph Ostarek, Manfred T. Reetz 1989-01-31
4800169 Test aids and method for the preparation thereof Bruno Bomer 1989-01-24