Inventor
ZSCHIESCHE RUTH
DE9 patents
Patents
9 patentsUS5476969ADec 19, 1995
Highly reactive polyoxyalkylene-polyols containing tertiary amino groups in bonded form, their preparation, and their use for the preparation of polyisocyanate polyaddition products
BASF AG67 citations95
US5786402AJul 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
US6096238AAug 1, 2000
Preparation of CFC-free, highly resilient, flexible polyurethane foams, and diphenylmethane diisocyanate-based polyisocyanate mixtures modified by means of urethane groups which can be used for this purpose
BASF AG22 citations91
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
US5739173AApr 14, 1998
Preparation of flame-resistant soft polyurethane foams of reduced smoke density, and melamine/expandable graphite/polyether-polyol dispersions for this purpose
BASF AG69 citations90
US5374667ADec 20, 1994
Process for the preparation of fluorochlorohydrocarbon-free, low-density polyurethan soft foams and soft elastic polyurethan molding foams and polyisocyanate mixtures modified with urethan groups on diphenylmethane-diisocyanate base
BASF AG19 citations82
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
US5534185AJul 9, 1996
Process for the preparation of fluorochlorohydrocarbon-free low density polyurethane soft foams and soft elastic polyurethane molding foams and polyisocyanate mixtures modified with urethane groups and diphenylmethane-diisocyanate base
BASF AG9 citations73
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