Details for Patent: 8,288,434

Which drugs does patent 8,288,434 protect, and when does it expire?

Patent 8,288,434 protects ACANYA and ONEXTON and is included in one NDA.

This patent has twenty patent family members in fourteen countries.

Summary for Patent: 8,288,434

Title:	Topical pharmaceutical formulations containing a low concentration of benzoyl peroxide in suspension in water and a water-miscible organic solvent
Abstract:	An aqueous formulation for topical application to the skin comprising water, a water-miscible organic solvent, and benzoyl peroxide, wherein the concentration of the organic solvent is sufficient to provide a stable suspension of benzoyl peroxide in the aqueous formulation without the inclusion of a surfactant in the formulation, wherein the ratio of concentrations of water and organic solvent in the formulation is sufficient to maintain the benzoyl peroxide in saturated solubility in the formulation following application to the skin, and wherein the concentration of benzoyl peroxide in the formulation is less than 5.0% and at least 1.0% w/w. The formulation may further contain a chemical compound in addition to benzoyl peroxide that is effective in the treatment of acne. The aqueous formulations of the invention are useful in the treatment of acne and acne rosacea.
Inventor(s):	Chang; Yunik (Sonoma, CA), Dow; Gordon J. (Santa Rosa, CA)
Assignee:	Dow Pharmaceutical Sciences, Inc. (Petaluma, CA)
Application Number:	12/455,525
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for patent 8,288,434
Patent Claim Types: see list of patent claims	Formulation; Use; Compound;

Drugs Protected by US Patent 8,288,434

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Patented / Exclusive Use	Submissiondate
Bausch	ACANYA	benzoyl peroxide; clindamycin phosphate	GEL;TOPICAL	050819-001	Oct 23, 2008	AB	RX	Yes	Yes			Y			TREATMENT OF ACNE
Bausch	ONEXTON	benzoyl peroxide; clindamycin phosphate	GEL;TOPICAL	050819-002	Nov 24, 2014		RX	Yes	Yes			Y			TOPICAL TREATMENT OF ACNE VULGARIS
Bausch	ONEXTON	benzoyl peroxide; clindamycin phosphate	GEL;TOPICAL	050819-002	Nov 24, 2014		RX	Yes	Yes			Y			TREATMENT OF ACNE
Bausch	ONEXTON	benzoyl peroxide; clindamycin phosphate	GEL;TOPICAL	050819-002	Nov 24, 2014		RX	Yes	Yes			Y			TREATMENT OF ACNE VULGARIS
Bausch	ONEXTON	benzoyl peroxide; clindamycin phosphate	GEL;TOPICAL	050819-002	Nov 24, 2014		RX	Yes	Yes			Y			TOPICAL TREATMENT OF ACNE VULGARIS IN PATIENTS 12 YEARS OR OLDER

International Family Members for US Patent 8,288,434

Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Australia	2009255679
Brazil	PI0913326
Canada	2723029
China	102056481
European Patent Office	2299810