Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2011-05-24
2011-05-24
Ward, Paul V. (Department: 1624)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Heterocyclic carbon compounds containing a hetero ring...
C530S408000, C540S145000, C424S009600
Reexamination Certificate
active
07947672
ABSTRACT:
The invention provides anionic water-soluble tetracyclic and pentacyclic bacteriochlorophyll derivatives (Bchls) containing at least one, preferably two or three, negatively charged groups and/or acidic groups that are converted to negatively charged groups at the physiological pH, preferably Bchls having a group COO<−>, COS<−>, SO3<−>, PO3<2−>, COOH, COSH, SO3H, and/or PO3H2 bound through an ester or amide bond to one or more of the positions 17<3>, 13<3>, and 3<2> of the tetracyclic or pentacyclic Bchl molecule, for photodynamic therapy and diagnosis.
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Brandis Alexander
Mazor Ohad
Salomon Yoram
Scheer Hugo
Scherz Avigdor
Dechert LLP
Ward Paul V.
Yeda Research and Development Co. Ltd.
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