Drug – bio-affecting and body treating compositions – In vivo diagnosis or in vivo testing
Reexamination Certificate
2011-01-18
2011-01-18
Carr, Deborah D (Department: 1621)
Drug, bio-affecting and body treating compositions
In vivo diagnosis or in vivo testing
C424S450000, C534S016000
Reexamination Certificate
active
07871596
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 R1, R2and R3independently represent an alkyl group or an alkenyl group having 8 to 25 carbon atoms; X represents —O—, or —N(Z)— (Z represents hydrogen atom, or an alkyl group having 1 to 3 carbon atoms); and L represents a divalent bridging group constituted by atoms selected from the group consisting of carbon atom, hydrogen atom, oxygen atom, nitrogen atom and sulfur atom; Ch represents a functional group represented by the following general formula (II), and in the general formula (II), any one of the hydrogen atom Ha, Hb, Hc, Hd, He, and Hfis substituted with L.
REFERENCES:
patent: 2008-150318 (2008-07-01), None
patent: 97/26921 (1997-07-01), None
patent: 2007/072983 (2007-06-01), None
Database WPI Week 200750, Thomson Scientific, London, GB; AN 2007-509658. XP002497621.
Extended European Search Report dated Oct. 7, 2008.
Aikawa Kazuhiro
Kuniyoshi Hidenobu
Carr Deborah D
FUJIFILM Corporation
Sughrue & Mion, PLLC
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