Compounds for recording media and high-density optical...

Details Compounds for recording media and high-density optical... Compounds for recording media and high-density optical...

2006-08-22

2006-08-22

Mulvaney, Elizabeth (Department: 1774)

Stock material or miscellaneous articles

Circular sheet or circular blank

C428S064400, C428S064800, C430S270140

Reexamination Certificate

active

07094457

ABSTRACT:
A compound used as storage medium of high-density optical disc is disclosed, which has structure represented as following formula:wherein each A1, A2, A3, and A4independently is selectively substituted aryl or heteroaryl, said aryl or heteroaryl is selectively substituted by one or multiple functional groups; R1and R2independently is H, halogen, alkyl or aryl; B is Ar orn is an integral ranging from 1 to 4; and n′ is an integral ranging from 0 to 4.

REFERENCES:
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patent: 2003/0162124 (2003-08-01), Akiba et al.
patent: 07085499 (1995-03-01), None
patent: 07126543 (1995-05-01), None
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patent: 2000-222772 (2000-08-01), None
patent: 2000-263938 (2000-09-01), None
patent: 2003-175677 (2003-06-01), None

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