Polymer mixtures

Details Polymer mixtures Polymer mixtures

2005-05-31

2005-05-31

Buttner, David J. (Department: 1712)

Stock material or miscellaneous articles

Circular sheet or circular blank

Recording medium or carrier

C524S108000, C524S117000, C524S120000, C524S310000, C524S317000

Reexamination Certificate

active

06899939

ABSTRACT:
A thermoplastic molding composition especially suitable for preparing optical data carriers is disclosed. The composition contains polycarbonate resin, at least one mold release agent and at least one phosphite having a defined structural formula. The optical data carriers include compact discs, video discs, digital versatile discs and further optical data carriers which may be written and erased one or more times.

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Chemical Abstract of JP2000239510.*
Chemical Abstract of JP2000239511.*
Chemical Abstract Registry No. 80693-00-1.*
Database WPI Section Ch, Week 199816 Derwent Publications Ltd., London, GB; AN 1998-175115 XP002210622 & JP 10 036645 A (Polyplastics KK), Feb. 10, 1998 Zusammenfassung.

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