Inventor
SEIFERT HOLGER
DE17 patents
⚠️ This page may combine multiple inventors who share the name “SEIFERT HOLGER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BASF AG
9 patentsUS5895792AApr 20, 1999
Production of rigid polyurethane foams
BASF AG23 citations92
US6495652B1Dec 17, 2002
Prepolymers containing isocyanate groups and a method for the production thereof
BASF AG29 citations91
US6284812B1Sep 4, 2001
Thermally stable rigid foams based on isocyanate and having low brittleness and low thermal conductivity
BASF AG36 citations91
US5624969AApr 29, 1997
Production of rigid foams based on isocyanate
BASF AG21 citations91
US6100308AAug 8, 2000
Preparation of polyurethanes having improved curing
BASF AG18 citations82
US5684092ANov 4, 1997
Production of rigid foams based on isocyanate
BASF AG17 citations81
US7893124B2Feb 22, 2011
Method for producing rigid polyurethane foams
BASF AG14 citations79
US5750586AMay 12, 1998
Production of CFC-free polyurethane rigid foams having a reduced thermal conductivity and their use
BASF AG4 citations62
US6040349AMar 21, 2000
Production of rigid polyurethanes foams with reduced density
BASF AG0 citations51
BASF SCHWARZHEIDE GMBH
4 patentsUS5492941AFeb 20, 1996
Polyurethane-based, compact moldings or moldings having a cellular core and a compacted surface, process for their production, and their use as shoe or shoe sole material
BASF SCHWARZHEIDE GMBH6 citations72
US5488070AJan 30, 1996
Polyurethane-based, compact moldings or moldings having a cellular core and a compacted surface, process for their production, and their use as shoe or shoe sole material
BASF SCHWARZHEIDE GMBH5 citations72
US5530154AJun 25, 1996
Prepolymers containing isocyanate groups
BASF SCHWARZHEIDE GMBH6 citations70
US5556891ASep 17, 1996
Prepolymers containing isocyanate groups
BASF SCHWARZHEIDE GMBH2 citations59