Centrul De Cercetare Pentru Fibre Chimice, Savinesti, Judetul Neamt, Ro
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Application filed by Centrul De Cercetare Pentru Fibre Chimice, Savinesti, Judetul Neamt, RofiledCriticalCentrul De Cercetare Pentru Fibre Chimice, Savinesti, Judetul Neamt, Ro
Priority to RO1988135653ApriorityCriticalpatent/RO102086A2/en
Publication of RO102086B1publicationCriticalpatent/RO102086B1/en
Publication of RO102086A2publicationCriticalpatent/RO102086A2/en
The process comprises treatment with pure or residual isocyanate of high boiling point. This removes impurities containing groups incorporating active hydrogen, such as water, amines, alcohols and organic acids.
RO1988135653A1988-10-271988-10-27Advanced purifying method of a solvent
RO102086A2
(en)