PROCESS FOR PRODUCTION OF AROMATIC IZOCYANATS

Aromatic isocyanates the prods. are prepd. from appropriately substd. aniline derivs. or the inorganic salts of these by batchwise, semi-continuous or continuous reaction with gaseous or liq. phosgene at 0-120 deg.C and atmospheric or elevated pressure of 0-50 bar in a multi-component medium contg....

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Hauptverfasser:	TIMKO,ATTILA,HU, MIHALYI,ANTAL,HU, ZOLNAY,LASZLO,HU, BAJUSZ,FERENC,HU, MURANSZKY,GEZA,HU, MOLNAR,ISTVAN,HU, KODERAK,FERENCNE,HU, FOELDI,ZSOLT,HU, RACZ,LAJOS,HU, BODI,TIBOR,HU, KUNCSIKNE BOJTOS,KATALIN,HU
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMISTRY METALLURGY ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:	Aromatic isocyanates the prods. are prepd. from appropriately substd. aniline derivs. or the inorganic salts of these by batchwise, semi-continuous or continuous reaction with gaseous or liq. phosgene at 0-120 deg.C and atmospheric or elevated pressure of 0-50 bar in a multi-component medium contg. di-substd. carbamoyl-chloride or di-substd. amine or tri-substd. urea as solvent and/or catalysts.