Process for the production of polycarbonate

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate

Reexamination Certificate

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Details

C528S198000

Reexamination Certificate

active

10802705

ABSTRACT:
A process for the production of polycarbonate having increased end-cap levels, the process comprising adding a terminal blocking agent of the formula:wherein R1is a propoxy or butoxy and R2is selected from the group consisting of C1-C30alkyl, C1-C30alkoxy, C6-C30aryl, C7-C30aralkyl, and C6-C30aryloxy.

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