EP Patent

EP4687833A1 — Nanoemulsion without propylene glycol

Assigned to Biofrontera Bioscience GmbH · Expires 2026-02-11 · 0y expired

What this patent protects

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.

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: EP4687833A1
Jurisdiction: EP
Classification: —
Expires: 2026-02-11
Drug substance claim: No
Drug product claim: No
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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