CA3029792A1 — Methods for photodynamic therapy
Assigned to Dusa Pharmaceuticals Inc · Expires 2019-07-12 · 7y expired
What this patent protects
Disclosed is a topical composition comprising 5-aminolevulinic acid (ALA) to be applied on a tissue as a treatment area for photodynamic therapy, wherein the treatment area is covered with a low density polyethylene barrier within a predetermined time period from the application …
USPTO Abstract
Disclosed is a topical composition comprising 5-aminolevulinic acid (ALA) to be applied on a tissue as a treatment area for photodynamic therapy, wherein the treatment area is covered with a low density polyethylene barrier within a predetermined time period from the application of the topical composition prior to light treatment, and the light treatment is carried out on the treatment area after the low density polyethylene barrier is removed.
Drugs covered by this patent
Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.
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