Process for decreasing the acidic content of polymethylene-poly-phenyl-polyisocyanates mixtures

The subject of the patented process is the decrease of the acidic content of polymethylene-poly-phenyl-polyisocyanates mixtures by the application of acid sorption material of mineral origin. This acid sorption material is an alkaline mineral with large specific surface area or a synthetically produ...

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Bibliographic Details
Main Authors PURZSA, TAMAS, FEKETE, LASZLO, KOZAR, ZOLTAN DR, TOTH, ANDRAS DR, TRUJILLO VILABOY, JOSE, JANUSZ MARCIN, SZOJKA, KOVACS, LASZLO F, DICZHAZI SZILAGYI, SZILVIA
Format Patent
LanguageEnglish
French
German
Published 28.07.2004
Edition7
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