Inventor
EISEN NORBERT
DE15 patents
⚠️ This page may combine multiple inventors who share the name “EISEN NORBERT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BAYER AG
14 patentsUS5578651ANov 26, 1996
Process for producing rigid polyurethane foams
BAYER AG22 citations92
US5470515ANov 28, 1995
Rotational molding process for insulating pipes
BAYER AG22 citations92
US5587117ADec 24, 1996
Process for insulating pipes using polyurethane rigid foams by the rotational casting process
BAYER AG31 citations90
US6316513B1Nov 13, 2001
Process for the producing of hard polyurethane foams with low heat conductivity
BAYER AG20 citations89
US5534299AJul 9, 1996
Process for insulating pipes
BAYER AG19 citations89
US5736588AApr 7, 1998
Process for preparing rigid polyurethane foams
BAYER AG20 citations88
US6071978AJun 6, 2000
Method of producing hydrocarbon-expanded rigid polyurethane foams
BAYER AG8 citations72
US5269986ADec 14, 1993
Process for the production of back foamed internal parts for refrigeration furniture
BAYER AG9 citations71
US5602190AFeb 11, 1997
Process for the production of hard polyurethane foams
BAYER AG10 citations70
US5527602AJun 18, 1996
Laminates of graft polymer and thermoplastic polyurethane
BAYER AG18 citations70
US6590003B2Jul 8, 2003
Method for producing soft to semi-rigid polyurethane integral foamed materials
BAYER AG10 citations69
US6235799B1May 22, 2001
Method for producing soft to medium-hard structural polyurethane foams
BAYER AG4 citations62
US5962542AOct 5, 1999
Process for producing hydrocarbon-blown hard polyurethane foams
BAYER AG4 citations61
US6509387B1Jan 21, 2003
Process for preparing rigid foamed materials containing urethane groups
BAYER AG0 citations51