Inventor
WOYNAR HELMUT
DE11 patents
Patents
11 patentsUS5814699ASep 29, 1998
Continuous process for the preparation of highly stable, finely divided, low viscosity polymer polyols of small average particle size
BAYER AG103 citations96
US4837359AJun 6, 1989
Process for the production of polyisocyanates with biuret structures
BAYER AG83 citations96
US5594066AJan 14, 1997
Low-viscosity, stable, agglomerate-free polymer polyols, a process for their preparation and their use in producing polyurethane plastics
BAYER AG57 citations95
US5854358ADec 29, 1998
Polymerizing monomers in presence of polyol and castor oil-polyol product
BAYER AG32 citations92
US5554662ASep 10, 1996
Low viscosity polymer polyols a process for their production as well as the manufacture of polyurethane from materials
BAYER AG41 citations91
US4625052ANov 25, 1986
Process for the production of polyisocyanates which have a biuret structure
BAYER AG23 citations82
US4613686ASep 23, 1986
Process for the preparation of polyisocyanates with biuret structure
BAYER AG19 citations82
US5994491ANov 30, 1999
Process for the production of polyisocyanates having a biuret structure
BAYER AG12 citations72
US4656223AApr 7, 1987
Process for the production of modified polyisocyanates, the compounds obtainable by this process and their use in polyurethane lacquers
BAYER AG5 citations63
US4810251AMar 7, 1989
Fatliquoring solution dispersion or emulsion and a process for treating leather therewith
BAYER AG4 citations57
US4831075AMay 16, 1989
Leather treatment agent
BAYER AG1 citations51