Compositions and methods for storing holographic data

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...

Reexamination Certificate

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C549S074000

Reexamination Certificate

active

07989488

ABSTRACT:
In one aspect, the present invention provides a novel thiophene-containing polynitrone compound having structure (II)wherein R1is independently at each occurrence a C1-C20aliphatic radical, a C3-C20cycloaliphatic radical, or a C2-C30aromatic radical; R2is independently at each occurrence hydrogen, deuterium, a C1-C20aliphatic radical, a C3-C20cycloaliphatic radical, or a C2-C30aromatic radical; and “a” is an integer from 2 to 4.

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