Process for producing carbonic acid diaryl ester
An improvement to the interfacial boundary process for producing carbonic acid diaryl esters is disclosed. In the two-stage process that entails phosgene and monophenols reaction in an inert solvent, in the presence of alkali and in the presence of a nitrogen base catalyst, the improvement comprisin...
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| Format: | Patent |
| Sprache: | eng |
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