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PCE
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CPC Subgroup
C08G 64/34

and cyclic ethers

Full Title

Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule (polycarbonate-amides C08G69/44; polycarbonate-imides C08G73/16) > General preparatory processes > using carbon dioxide > and cyclic ethers