The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 25, 2005
Filed:
Apr. 21, 2003
Masatoshi Yumoto, Shizuoka-ken, JP;
Mitsuyoshi Ichihashi, Kanagawa, JP;
Keiichiro Hayashi, Shizuoka-ken, JP;
Ryuichi Kuroiwa, Shizuoka-ken, JP;
Masatoshi Yumoto, Shizuoka-ken, JP;
Mitsuyoshi Ichihashi, Kanagawa, JP;
Keiichiro Hayashi, Shizuoka-ken, JP;
Ryuichi Kuroiwa, Shizuoka-ken, JP;
Fuji Photo Film Co., Ltd., Kanagawa, JP;
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), Rand Rindependently represent a hydrogen atom, an alkyl group, or an aryl group. Rto Rand Rto Rindependently represent a hydrogen atom, a halogen atom, an alkyl group, or an alkoxy group. Rand Ras well as Rand Rmay form a 5- or 6-membered ring. Rand Ras well as Rand Rindependently represent a hydrogen atom or an alkyl group. Arand Arindependently 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.