Last Updated: September 24, 2026

Details for Patent: 12,280,146

Name: Drug Patent Intelligence for US Patent 12280146
Creator: DrugPatentWatch
License: https://www.drugpatentwatch.com/terms.php

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Which drugs does patent 12,280,146 protect, and when does it expire?

Patent 12,280,146 protects AMELUZ and is included in one NDA.

This patent has seven patent family members in six countries.

Summary for Patent: 12,280,146

Title:	Nanoemulsion without propylene glycol
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.
Inventor(s):	Montserrat FOGUET, Lars MÖLLMANN
Assignee:	Biofrontera Inc
Application Number:	US18/533,497
Patent Claim Types: see list of patent claims	Composition; Formulation; Compound;

Drugs Protected by US Patent 12,280,146

Glossary

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Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Patented / Exclusive Use	Submissiondate
Biofrontera	AMELUZ	aminolevulinic acid hydrochloride	GEL;TOPICAL	208081-001	May 10, 2016		RX	Yes	Yes	⤷ Start Trial	⤷ Start Trial	Y				⤷ Start Trial
>Applicant	>Tradename	>Generic Name	>Dosage	>NDA	>Approval Date	>TE	>Type	>RLD	>RS	>Patent No.	>Patent Expiration	>Product	>Substance	>Delist Req.	>Patented / Exclusive Use	>Submissiondate

International Family Members for US Patent 12,280,146

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Australia	2024253808	⤷ Start Trial
China	120916750	⤷ Start Trial
European Patent Office	4687833	⤷ Start Trial
Japan	2026512858	⤷ Start Trial
South Korea	20250163360	⤷ Start Trial
World Intellectual Property Organization (WIPO)	2024208433	⤷ Start Trial
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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