Polycarbonate composition, write once read many optical disc...

Details Polycarbonate composition, write once read many optical disc... Polycarbonate composition, write once read many optical disc...

2005-04-05

2005-04-05

Buttner, David J. (Department: 1712)

Stock material or miscellaneous articles

Circular sheet or circular blank

Recording medium or carrier

C428S412000, C524S198000, C524S227000, C524S281000, C524S308000, C524S317000, C525S462000, C525S466000, C525S467000

Reexamination Certificate

active

06875491

ABSTRACT:
A polycarbonate composition excellent in both antistatic property and coloring matter coatability containing (a) a polycarbonate obtained by an ester exchange process, and (b) a compound having a molecular weight of from 300 to 8,000 and having any of ester bond, carbonate bond, amide bond and urethane bond in its molecule and an aromatic hydrocarbon group substituted by at least one alkyl group at the molecular end thereof, a write once read many optical disc substrate and a write once read many optical disc using the same and a process for the production of a write once read many optical disc are described.

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Derwent Abstracts, AN 1996-094292, XP-002247535, JP 08-003304, Jan. 9, 1996.

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