Organic compounds -- part of the class 532-570 series – Organic compounds – Nitrogen attached directly or indirectly to the purine ring...
Reexamination Certificate
2007-08-21
2007-08-21
Kumar, Shailendra (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Nitrogen attached directly or indirectly to the purine ring...
C430S270160, C546S002000, C548S402000
Reexamination Certificate
active
10493034
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):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; Amrepresents any one of substituents A1to Anbonded 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 A1to Anis one having at least one substituted or unsubstituted metallocene residue.
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Ishida Tsutomu
Ogiso Akira
Shiozaki Hiroyoshi
Kumar Shailendra
Mitsui Chemicals Inc.
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