Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Reexamination Certificate
2007-04-23
2010-10-26
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
C362S097100, C362S611000, C362S629000, C428S220000, C524S114000, C524S115000, C524S501000, C524S537000, C524S611000
Reexamination Certificate
active
07820778
ABSTRACT:
Disclosed is a light guide member which includes a polycarbonate copolymer having a repeating unit represented by the formula (I) and a repeating unit represented by the formula (II), which is thin, and which is free from thermal degradation (yellowing) or deterioration in properties caused by the generation of a gas, such as a light guide plate formed of a polycarbonate material. Also disclosed is an illumination unit using the light guide member.
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Boykin Terressa M
Idemitsu Kosan Co. Ltd.
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
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