Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Reexamination Certificate
2005-09-27
2005-09-27
Wilson, James O. (Department: 1624)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
C540S145000
Reexamination Certificate
active
06949581
ABSTRACT:
Water-soluble mono-PEGylated tetrapyrrole derivatives are disclosed, having a formula given by formula 1, 2, or 3 in the specification. A method to produce the above water-soluble mono-PEGylated compounds is also disclosed, comprising an interaction of a tetrapyrrole with an aminopolyethylene glycol containing a functionalized terminal fragment, as well as their use as photosensitizers in photodynamic therapy.
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Nifantiev Nikolay E.
Yashunsky Dmitri V.
B J Associates
CeramOptec Industries Inc.
Habte Kahsay
Skutnik Bolesh J.
Wilson James O.
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