Higher fatty acid triester and amide derivative having...

Drug – bio-affecting and body treating compositions – In vivo diagnosis or in vivo testing – Magnetic imaging agent

Reexamination Certificate

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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.

REFERENCES:
patent: 7871596 (2011-01-01), Kuniyoshi et al.
patent: 11-501012 (1999-01-01), None
patent: 2000-506152 (2000-05-01), None
patent: 2001-522348 (2001-11-01), None
patent: 96/26180 (1996-08-01), None
patent: 97/32862 (1997-09-01), None
patent: 98/05626 (1998-02-01), None
patent: 2006/002875 (2006-01-01), None

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