US Patent

US9744163 — Compositions of a polyorthoester and an aprotic solvent

Formulation · Assigned to Heron Therapeutics LLC · Expires 2034-03-13 · 8y remaining

Vulnerability score 42/100 Strong — defensible against typical IPR challenges

What this patent protects

This patent protects compositions of a biodegradable polyorthoester polymer, an aprotic solvent, and a drug, which can modulate the release of the drug.

USPTO Abstract

Delivery systems and compositions comprised of a biodegradable polyorthoester polymer, an aprotic solvent, and a drug are described. The solvent is selected to modulate release of drug from the composition, where, in some embodiments, the solvent is rapidly released after administration and provides a corresponding rapid rate of drug release. Alternatively, in other embodiments, the solvent is slowly released from the composition after its administration, and provides a correspondingly slow rate of drug release.

Drugs covered by this patent

Patent Metadata

Patent number
US9744163
Jurisdiction
US
Classification
Formulation
Expires
2034-03-13
Drug substance claim
No
Drug product claim
Yes
Assignee
Heron Therapeutics LLC
Source
FDA Orange Book + USPTO grounding via Google Patents

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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