US Patent

US10980886 — Compositions of a polyorthoester and an organic acid excipient

Formulation · Assigned to Heron Therapeutics LLC · Expires 2035-04-20 · 9y remaining

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

What this patent protects

This patent protects compositions of a biodegradable polyorthoester polymer and an organic acid excipient used in delivery systems for basic drugs.

USPTO Abstract

Delivery systems and compositions comprised of a biodegradable polyorthoester polymer, an organic acid excipient, and a basic drug are described, along with related methods.

Drugs covered by this patent

Bupivacaine Hydrochloride And Epinephrine (BUPIVACAINE) · Innocoll

Patent Metadata

Patent number: US10980886
Jurisdiction: US
Classification: Formulation
Expires: 2035-04-20
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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