Inventor
STIEFENHOEFER KONRAD
DE7 patents
⚠️ This page may combine multiple inventors who share the name “STIEFENHOEFER KONRAD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BASF AG
6 patentsUS6632914B2Oct 14, 2003
Polyfunctional polyisocyanate polyadducts
BASF AG39 citations92
US5489663AFeb 6, 1996
Preparation of polyisocyanates containing isocyanurate groups and use thereof
BASF AG50 citations92
US5637664AJun 10, 1997
Polymeric, catalytically active compounds, their preparation, and their use as catalysts in the preparation of polyisocyanates containing uretdione groups
BASF AG5 citations73
US5565527AOct 15, 1996
Polymeric, catalytically active compounds, their preparation, and their use as catalysts in the preparation of polyisocyanates containing uretdione groups
BASF AG7 citations73
US5436336AJul 25, 1995
Preparation of isocyanurate- and/or uretidone-containing polysiocyanates having a reduced color index and improved shelf life, and products prepared by this method
BASF AG7 citations73
US5449775ASep 12, 1995
Imidazole group containing polymeric catalysts their preparation, and their use in the preparation of isocyanates containing uretdione groups
BASF AG4 citations62