Inventor
SPANG CLAUDIA
DE6 patents
⚠️ This page may combine multiple inventors who share the name “SPANG CLAUDIA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BASF AG
5 patentsUS5786402AJul 28, 1998
Production of polyurethane foams in the presence of aminoalkyl- or aminophenylimidazoles as catalyst, and the use of these catalysts for the preparation of polyisocyanate polyaddition products
BASF AG28 citations92
US5494941AFeb 27, 1996
Preparation of chlorofluorocarbon-free flexible polyurethane foams using diphenylmethane diisocyanate-based polyisocyanate mixtures containing urethane groups, and modified polyisocyanate mixtures of the type
BASF AG26 citations91
US5173518ADec 22, 1992
Preparation of cellular polyurethane elastomers using polyether carbonate diols as a starting component
BASF AG24 citations91
US5597885AJan 28, 1997
Preparation of chlorofluorocarbon-free flexible polyurethane foams using diphenylmethane diisocyanate-based polyisocyanate mixtures containing urethane groups, and modified polyisocyanate mixtures
BASF AG17 citations81
US5596063AJan 21, 1997
Preparation of chlorofluorocarbon-free flexible polyurethane foams using diphenylmethane diisocyanate-based polyisocyanate mixtures containing urethane groups, and modified polyisocyanate mixtures of this type
BASF AG14 citations72