Daniel Koch

Method for production of diaminodiphenylmethanes

Method for producing polyisocyanates by adiabatic phosgenation of primary amines

Process for preparing polyisocyanates by the adiabatic phosgenation of primary amines

Method for producing of polyamines of the diphenylmethane series with low degree of protonation

Process for the preparation of polyamines of the diphenylmethane series at a low degree of protonation

PROCESS FOR PRODUCING POLYISOCYANATES OF THE DIPHENYL METHANE SERIES HAVING A REDUCED COLOR VALUE

Process for the preparation of polyisocyanates of the diphenylmethane series having reduced colour

Production of polyamine mixtures, useful for the production of isocyanates, comprises reaction of aniline and formaldehyde in the presence of an acid ionic liquid and recycling of the ionic liquid.

Process for the production of polyisocyanates of the diphenylmethane series with a reduced color value

Process for the preparation of (poly)-methylenedi(phenylamine)