US Patent

US12280146 — Nanoemulsion without propylene glycol

Formulation · Assigned to Biofrontera Bioscience GmbH · Expires 2043-12-08 · 18y remaining

Vulnerability score 55/100 Moderate — design-around opportunities exist

What this patent protects

This patent protects a stable oil-in-water nanoemulsion formulation of a drug product that is essentially free of propylene glycol.

USPTO Abstract

The present invention relates to oil in water nanoemulsions which are essentially free of propylene glycol. The nanovesicle formulations are particularly stable in regard to shelf life at different storage temperatures.

Drugs covered by this patent

aminolevulinic-acid-hydrochloride (AMINOLEVULINIC ACID HYDROCHLORIDE)

Patent Metadata

Patent number: US12280146
Jurisdiction: US
Classification: Formulation
Expires: 2043-12-08
Drug substance claim: No
Drug product claim: Yes
Assignee: Biofrontera Bioscience GmbH
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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