Polycarbonate copolymer and process for producing the same

Details Polycarbonate copolymer and process for producing the same Polycarbonate copolymer and process for producing the same

2003-11-26

2009-06-02

Boykin, Terressa M (Department: 1796)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

C428S401000, C428S500000, C428S690000, C524S445000, C524S449000, C525S437000, C525S439000, C528S198000, C528S219000

Reexamination Certificate

active

07541416

ABSTRACT:
A polycarbonate copolymer which comprises 30 to 70 mol % of a structural unit comprising a bisphenyl fluorene structure and 70 to 30 mol % of a structural unit comprising tricyclo [5.2.1.02.6] decanedimethanol and causes little occurrence of a birefringence even when extrusion, injection molding or stretch processing is conducted and a process for producing the same.

REFERENCES:
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