CA2790827A1 — Cosmetic compositions
Assigned to Photocure ASA · Expires 2011-09-09 · 15y expired
What this patent protects
The present invention relates to compositions comprising a derivative of 5 - aminolevulinic acid (5-ALA), e.g. an ester of 5-ALA or a skin compatible salt thereof. Further, the invention relates to use of such compositions in methods of cosmetic or therapeutic treatment, particul…
USPTO Abstract
The present invention relates to compositions comprising a derivative of 5 - aminolevulinic acid (5-ALA), e.g. an ester of 5-ALA or a skin compatible salt thereof. Further, the invention relates to use of such compositions in methods of cosmetic or therapeutic treatment, particularly in methods of improving or otherwise enhancing the appearance of the skin. The compositions comprise 2% by weight or less of a derivative of 5-ALA, 70% by weight or more of water, 2-25% by weight of at least one liquid carrier and one or more emulsifiers. A container comprises a first compartment comprising a derivative of 5-ALA and at least one liquid carrier and a second compartment comprising water, one or more emulsifiers and optionally at least one liquid carrier. The composition is obtained by mixing the contents of the two compartments.
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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