Inventor
HOPPE HANS-GEORG
DE31 patents
⚠️ This page may combine multiple inventors who share the name “HOPPE HANS-GEORG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BAYER AG
29 patentsUS4447486AMay 8, 1984
Surface-sealed moldings of cellular polyurethane elastomers and a process for their production
BAYER AG97 citations94
US6518389B1Feb 11, 2003
Aliphatic thermoplastic polyurethanes, processes for their preparation and their use
BAYER AG55 citations92
US6410638B1Jun 25, 2002
Aliphatic, sinterable, thermoplastic polyurethane molding compositions
BAYER AG28 citations92
US6022939AFeb 8, 2000
Thermoplastic polyurethanes with improved melt flow
BAYER AG21 citations92
US5981655ANov 9, 1999
Process for preparing TPU molding compositions
BAYER AG24 citations92
US5936018AAug 10, 1999
Melt-processable polyurethanes containing special wax mixtures
BAYER AG21 citations92
US5925697AJul 20, 1999
Melt processable polyurethanes containing wax
BAYER AG20 citations92
US5905133AMay 18, 1999
Process for the continuous production of thermoplastically processable polyurethanes having improved processing behavior
BAYER AG35 citations92
US5760133AJun 2, 1998
Process for preparing TPU molding compositions
BAYER AG27 citations92
US5696205ADec 9, 1997
Process for preparing TPU molding compositions
BAYER AG21 citations92
US4350777ASep 21, 1982
Impermeable molded articles of cellular polyurethane elastomers produced with organofunctional polysiloxane-derivatives and their use as spring elements
BAYER AG49 citations92
US6166135ADec 26, 2000
Aliphatic sinterable thermoplastic polyurethane moulding compositions of reduced mechanical strength
BAYER AG22 citations91
US6790916B2Sep 14, 2004
Process for the preparation of soft, low-shrinkage, thermoplastic polyurethane elastomers which can be easily released from the mold
BAYER AG22 citations90
US4397974AAug 9, 1983
Low-halogen-content, thermoplastic polyurethane elastomer having improved flame resistance by the addition of a 4-component additive combination, its production and its use
BAYER AG30 citations89
US6552153B1Apr 22, 2003
Thermoplastic resins having incorporated mold release agents
BAYER AG13 citations84
US6527995B1Mar 4, 2003
Process for preparing soft, elastic polyurethane
BAYER AG17 citations84
US6559266B2May 6, 2003
Aliphatic thermoplastic polyurethanes, a process for producing them and the use thereof
BAYER AG14 citations83
US6355762B1Mar 12, 2002
Process for the continuous preparation of melt processable polyurethanes with improved softening behaviour
BAYER AG14 citations83
US6624278B2Sep 23, 2003
Process for producing thermally stable thermoplastic polyurethanes
BAYER AG10 citations74
US6218479B1Apr 17, 2001
Nonrigid, thermoplastic moulding compositions
BAYER AG10 citations74
US5942593AAug 24, 1999
Cycloaliphatic thermoplastic polyurethane elastomers
BAYER AG15 citations74
US6930163B2Aug 16, 2005
Process for the continuous preparation of thermoplastically processable polyurethanes with improved softening properties
BAYER AG7 citations73
US6713145B2Mar 30, 2004
Movable transparent composite systems and a process for preparing the same
BAYER AG8 citations73
US6706807B2Mar 16, 2004
Aliphatic thermoplastic polyurethanes and use thereof
BAYER AG10 citations73
US6559267B2May 6, 2003
Mouldings of thermoplastic polyurethanes exhibiting reduced fogging
BAYER AG8 citations73
US6420510B1Jul 16, 2002
Aliphatic, low-emission thermoplastic polyurethane molding materials suitable for sintering
BAYER AG13 citations73
US5739250AApr 14, 1998
Thermoplastic polyurethane-urea elastomers
BAYER AG11 citations72
US6632866B2Oct 14, 2003
Aliphatic thermoplastic polyurethanes and use thereof
BAYER AG5 citations62
US6486243B2Nov 26, 2002
Thermoplastically processable polyurethane elastomers having an improved intrinsic color
BAYER AG1 citations52