EP1240896A2 — Encapsulation of water soluble peptides
Assigned to Ipsen Pharma SAS · Expires 2002-09-18 · 24y expired
What this patent protects
A process for preparing polymer microspheres and nanospheres comprising a polymer and a peptide, which comprises the steps of: dissolving a salt of a peptide complexed with an anionically or cationically functionalized biodegradable polyester in an organic solvent to form a so…
USPTO Abstract
A process for preparing polymer microspheres and nanospheres comprising a polymer and a peptide, which comprises the steps of: dissolving a salt of a peptide complexed with an anionically or cationically functionalized biodegradable polyester in an organic solvent to form a solution; dispersing the solution in an aqueous solution of a surfactant; and evaporating the organic solvent to isolate the polymer microspheres and nanospheres.
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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