Polycarbonate and resin composition

Details Polycarbonate and resin composition Polycarbonate and resin composition

2005-04-26

2005-04-26

Boykin, Terressa (Department: 1711)

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

C264S176100, C264S219000, C524S107000, C525S067000, C528S198000

Reexamination Certificate

active

06884864

ABSTRACT:
The present invention relates to a polycarbonate which can be obtained by a melting method and whose loss angle δ and complex viscosity η* (Pa·s) measured under the conditions of 250° C. and an angular velocity of 10 rad/s satisfy the following relation (1):in-line-formulae description="In-line Formulae" end="lead"?2,500≦Tan δ/(η*)−0.87≦6,000  (1)in-line-formulae description="In-line Formulae" end="tail"?

REFERENCES:
patent: 20020111428 (2002-08-01), Gaggar et al.
patent: 20030208027 (2003-11-01), Brack et al.
patent: 20040034130 (2004-02-01), Kageyama et al.

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