Stock material or miscellaneous articles – Circular sheet or circular blank
Reexamination Certificate
2005-01-25
2005-01-25
Mulvaney, Elizabeth (Department: 1774)
Stock material or miscellaneous articles
Circular sheet or circular blank
C428S064400, C428S064800, C430S270140
Reexamination Certificate
active
06846540
ABSTRACT:
The invention provides an optically active polyesteramide comprising at least a structural unit represented by the following general formula (I) and a structural unit represented by the following general formula (II).In the general formula (I), R1and R8independently represent a hydrogen atom, an alkyl group, or an aryl group. R2to R5and R9to R12independently represent a hydrogen atom, a halogen atom, an alkyl group, or an alkoxy group. R1and R2as well as R8and R9may form a 5- or 6-membered ring. R6and R7as well as R13and R14independently represent a hydrogen atom or an alkyl group. Ar1and Ar2independently represent a single bond, 1,4-phenylene, naphthalene-2,6-diyl, or 1,4-phenylene or naphthalene-2,6-diyl substituted by at least one halogen atom, alkyl group or alkoxy group. In the general formula (II), A represents a divalent substituent.
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Hayashi Keiichiro
Ichihashi Mitsuyoshi
Kuroiwa Ryuichi
Yumoto Masatoshi
Fuji Photo Film Co. , Ltd.
Mulvaney Elizabeth
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