Isosorbide-based polycarbonates, method of making, and...

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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C524S502000, C524S599000, C525S410000, C528S198000, C528S271000, C528S272000

Reexamination Certificate

active

07666972

ABSTRACT:
Disclosed herein is an isosorbide-based polycarbonate polymer comprising: an isosorbide unit, an aliphatic unit derived from a C14-44aliphatic diacid, C14-44aliphatic diol, or combination of these; and optionally, an additional unit different from the isosorbide and aliphatic units, wherein the isosorbide unit, aliphatic unit, and additional unit are each carbonate, or a combination of carbonate and ester units. Also disclosed are a thermoplastic composition and an article comprising the isosorbide-based polycarbonate.

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