RD

Ralf Dujardin

BH Bayer Healthcare: 2 patents #186 of 716Top 30%
📍 Krefeld, MI: #1 of 1 inventorsTop 100%
Overall (1989): #18,125 of 140,708Top 15%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4874816 Vinyl copolymers with grafted-on polycarbonate chains, their production and use Wolfgang Ebert, Rolf-Volker Meyer, Klaus Berg, Ulrich Grigo, Wolfgang Wehnert 1989-10-17
4873376 Process for the production of monomeric alkenylphenols from dihydroxydiphenylalkanes Wolfgang Ebert 1989-10-10