Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Liposomes
Reexamination Certificate
2005-05-10
2005-05-10
Kishore, Gollamudi S. (Department: 1615)
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Liposomes
C514S410000
Reexamination Certificate
active
06890555
ABSTRACT:
Liposomal pharmaceutical formulations incorporating porphyrin photosensitizers useful for photodynamic therapy or diagnosis of malignant cells. The liposomal formulations comprise a porphyrin photosensitizer, particularly the hydro-mono benzoporphyrine (BPD) having light absorption maxima in the range of 670-780 nanometers, a disaccharide or polysaccharide and one or more phospholipids.
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Agha Bushra J.
Desai Narendra Raghunathji
Kale Kalidas Madhavrao
Lawter James R.
Kishore Gollamudi S.
Morrison & Foerster / LLP
QLT Inc.
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