Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Helmut-Werner Heuer0
Pieter Ooms0
Date of Patent
January 4, 2011
0Patent Application Number
123701820
Date Filed
February 12, 2009
0Patent Primary Examiner
Patent abstract
The present invention relates to a process for the continuous preparation of polycarbonates or diaryl carbonates by the method of the phase boundary process, in which both the mixing of the organic and aqueous phase and the upstream oligomerization step or aryl chloroformate and/or diaryl carbonate preparation step are effected in a special pump.
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