Last Updated: November 8, 2026

Details for Patent: 11,273,132

Name: Drug Patent Intelligence for US Patent 11273132
Creator: DrugPatentWatch
License: https://www.drugpatentwatch.com/terms.php

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Which drugs does patent 11,273,132 protect, and when does it expire?

Patent 11,273,132 protects ACZONE and is included in one NDA.

This patent has twenty-three patent family members in fifteen countries.

Summary for Patent: 11,273,132

Title:	Topical dapsone and dapsone/adapalene compositions and methods for use thereof
Abstract:	Dapsone and dapsone/adapalene compositions can be useful for treating a variety of dermatological conditions. The compositions of this disclosure include dapsone and/or adapalene in a polymeric viscosity builder. Subject compositions can be adjusted to optimize the dermal delivery profile of dapsone to effectively treat dermatological conditions and improve the efficiency of pharmaceutical products applied to the skin. Use of the polymeric viscosity builder provides compositions with increased concentrations of diethylene glycol monoethyl ether relative to compositions without the polymeric viscosity builder.
Inventor(s):	Kevin S. Warner, Ajay P. Parashar, Vijaya Swaminathan, Varsha Bhatt
Assignee:	Almirall LLC
Application Number:	US15/966,810
Patent Claim Types: see list of patent claims	Use; Composition; Compound;

Drugs Protected by US Patent 11,273,132

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
Almirall	ACZONE	dapsone	GEL;TOPICAL	207154-001	Feb 24, 2016	AB	RX	Yes	Yes	11,273,132	⤷ 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 11,273,132

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Australia	2013348247	⤷ Start Trial
Australia	2018214139	⤷ Start Trial
Brazil	112015011673	⤷ Start Trial
Canada	2890224	⤷ Start Trial
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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