Helmut Woynar

Process for the production of polyisocyanates with biuret structures

Continuous process for the preparation of highly stable, finely divided, low viscosity polymer polyols of small average particle size

Low-viscosity, stable, agglomerate-free polymer polyols, a process for their preparation and their use in producing polyurethane plastics

Low viscosity polymer polyols a process for their production as well as the manufacture of polyurethane from materials

Polymerizing monomers in presence of polyol and castor oil-polyol product

Process for the preparation of polyisocyanates with biuret structure

Process for the production of polyisocyanates which have a biuret structure

Low viscosity polymer polyols, a process for their preparation and their use in the preparation of polyurethane foam

Process for the preparation and isolation of alkene oxides from alkenes

Fatliquoring solution dispersion or emulsion and a process for treating leather therewith