HS

Hans-Joachim Sandhagen

BH Bayer Healthcare: 2 patents #3,312 of 8,007Top 45%
Overall (All Time): #2,269,935 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5625045 Process for the production of low viscosity high functionality, light colored polyethers based on sucrose Pramod Gupta, Werner Betz, Ulrich Leyrer, Martin Hoppe 1997-04-29
5105019 Process for the removal of catalysts for polyether polyols Pramod Gupta, Heinz Jorg Rosenbaum 1992-04-14