Drug – bio-affecting and body treating compositions – In vivo diagnosis or in vivo testing – Magnetic imaging agent
Reexamination Certificate
2011-08-09
2011-08-09
Hartley, Michael G (Department: 1618)
Drug, bio-affecting and body treating compositions
In vivo diagnosis or in vivo testing
Magnetic imaging agent
C534S016000
Reexamination Certificate
active
07993628
ABSTRACT:
A compound having superior solubility and suitable for a liposome contrast medium selective for a lesion such as vascular diseases is provided which is represented by the following general formula (I) wherein R1to R3represent an alkyl group or alkenyl group; X1and X2represent a single bond, —O—, or —N(Z1)- (Z1represents hydrogen atom, or an alkyl group); X3to X6represent —O—, or —N(Z2)- (Z2represents hydrogen atom, or an alkyl group); n represents an integer of 1 to 10; and L represents a divalent bridging group constituted by atoms selected from the group consisting of carbon atom, hydrogen atom, oxygen atom, nitrogen atom, fluorine atom and sulfur atom.
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Aikawa Kazuhiro
Hirai Atsushi
Nishigaki Junji
Takahashi Kazunobu
FUJIFILM Corporation
Hartley Michael G
Samala Jagadishwar
Sughrue & Mion, PLLC
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