FS

Friedhelm Steffens

CA Covestro Deutschland Ag: 3 patents #25 of 265Top 10%
📍 Leverkusen, DE: #6 of 112 inventorsTop 6%
Overall (2017): #78,984 of 506,227Top 20%
3
Patents 2017

Issued Patents 2017

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9845286 Process for operating a gas phase phosgenation plant Thomas Knauf, Wolfgang Lorenz, Rainer Bruns, Wolfgang Taube 2017-12-19
9840461 Method for operating a gas-phase phosgenation plant Thomas Knauf, Wolfgang Lorenz, Rainer Bruns, Wolfgang Taube 2017-12-12
9688619 Process for obtaining organic isocyanates from distillation residues from isocyanate preparation Klaus Tidow, Andreas Hecking, Jan Busch, Frank Richter 2017-06-27