Michael Brockelt

Process for the production of polynuclear aromatic polyamines

Diisocyanates or mixtures of diisocyanates of the diphenyl-methane series, process for their preparation and their use as a synthesis component to produce polyurethane plastics according to the isocyanate-polyaddition process

Stabilized, finely disperse low-viscosity polymer polyols with a high content of polystyrene or polystyrene copolymers

Fractionation and purification of aromatic polyamine mixtures and the use thereof

Diisocyanates or mixtures of diisocyanates of the diphenylmethane class, processes for their preparation, as well as their use as synthesis components in the manufacture of polyurethanes by the isocyanate-polyaddition process

Method for stripping polymer polyols

PROCESS FOR PREPARATION OF DIAMINES OR MIXTURES OF DIAMINES

Polyisocyanate mixtures of the diphenylmethane class, as well as their use as synthesis components in the manufacture of polyurethanes by the isocyanate-polyaddition process

Process for stripping polymer polyols

Process for the preparation of multinuclear aromatic polyamines