Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Liposomes
Reexamination Certificate
2011-02-15
2011-02-15
Krass, Frederick (Department: 1612)
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Liposomes
C514S759000
Reexamination Certificate
active
07887835
ABSTRACT:
A steroid ester compound of a terminally-fluorinated alkyl fatty acid, a steroid compound having bis(trifluoromethyl)phenyl group, a phosphatidylserine compound having a terminally-fluorinated alkyl group, a glyceride compound having bis(trifluoromethyl phenyl group, or a glyceride compound having a terminally-fluorinated alkyl group. A vascular lesion can be selectively imaged by using a contrast medium comprising a liposome containing said compound or a salt thereof.
REFERENCES:
patent: 2002193878 (2002-07-01), None
PW Miller, NJ Long, R Vilar, AD Gee. “Synthesis of 11C, 18F, 15O, and 13N Radiolabels for Positron Emission Tomography.” Angew. Chem. Int. Ed. 2008, 47, 8998-9033.
Aikawa Kazuhiro
Takahashi Kazunobu
FUJIFILM Corporation
Krass Frederick
Shomer Isaac
Sughrue & Mion, PLLC
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