EP0671162A2 — Amphoteric compositions and polymeric forms of alpha hydroxyacids, and their therapeutic use
Assigned to Individual · Expires 1995-09-13 · 31y expired
What this patent protects
A therapeutic composition for topical treatment of cosmetic conditions or dermatological disorders comprising dimeric or polymeric forms of hydroxyacids which may be present as a free acid, ester or in a salt form with an organic base or inorganic alkali. The hydroxyacids may be …
USPTO Abstract
A therapeutic composition for topical treatment of cosmetic conditions or dermatological disorders comprising dimeric or polymeric forms of hydroxyacids which may be present as a free acid, ester or in a salt form with an organic base or inorganic alkali. The hydroxyacids may be incorporated in an amphoteric or pseudoamphoteric system.
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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