Imide compound and optical recording media made by using the same
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United States of America Patent
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Aug 21, 2007
Grant Date -
Sep 22, 2005
app pub date -
Oct 22, 2002
filing date -
Oct 22, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An optical recording medium containing one or more compounds selected from imide compounds having a metallocene residue in a recording layer and an imide compound represented by a general formula (1): ##STR00001## wherein a ring AR represents a substituted or unsubstituted aromatic ring residue or a residue formed by combining two or more aromatic ring residues via one or more linking groups; n represents the number of imide groups bonded to the ring AR; A.sup.m represents any one of substituents A.sup.1 to A.sup.n bonded to a nitrogen atom of each imide group; and m represents an integer of from 1 to n, with the proviso that at least one substituent selected from the group consisting of A.sup.1 to A.sup.n is one having at least one substituted or unsubstituted metallocene residue.
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