KS

Konrad Stiefenhoefer

Basf Se: 4 patents #3,853 of 13,826Top 30%
Overall (All Time): #1,288,539 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5637664 Polymeric, catalytically active compounds, their preparation, and their use as catalysts in the preparation of polyisocyanates containing uretdione groups Bernd Bruchmann, Roland Minges, Christian Schade 1997-06-10
5565527 Polymeric, catalytically active compounds, their preparation, and their use as catalysts in the preparation of polyisocyanates containing uretdione groups Bernd Bruchmann, Roland Minges, Christian Schade 1996-10-15
5449775 Imidazole group containing polymeric catalysts their preparation, and their use in the preparation of isocyanates containing uretdione groups Bernd Bruchmann, Roland Minges, Christian Schade 1995-09-12
5436336 Preparation of isocyanurate- and/or uretidone-containing polysiocyanates having a reduced color index and improved shelf life, and products prepared by this method Bernd Bruchmann, Stefan Wolff 1995-07-25