Upgrade to enjoy subscriber-only features like email alerts and data export. See the Plans and Pricing

Serving hundreds of leading biopharmaceutical companies globally:

Dow
Cerilliant
Moodys
Merck
Farmers Insurance
Boehringer Ingelheim
Deloitte
Chinese Patent Office
Argus Health

Generated: April 21, 2018

DrugPatentWatch Database Preview

Details for Patent: 8,288,434

« Back to Dashboard

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

This preview shows a limited data set. Subscribe for full access, or try a Free Trial

Non-Orange Book US Patents Family Members for Patent 8,288,434

For Orange Book-listed patents (shown in the main table above) generic applications must certify that the listed patents are expired, invalid, or will not be infringed by generic entry.

The non-Orange Book patents listed below do not require formal certifications, so they do not automatically impede generic entry. Instead, they represent potential opportunities for branded firms to block generic entry through patent infringment challenges.

Patent No. Title Estimated Patent Expiration
9,078,870 Topical pharmaceutical formulations containing a low concentration of benzoyl peroxide in suspension in water and a water-miscible organic solvent ➤ Try a Free Trial
9,504,704 Topical pharmaceutical formulations containing a low concentration of benzoyl peroxide in suspension in water and a water-miscible organic solvent ➤ Try a Free Trial
9,561,208 Topical pharmaceutical formulations containing a low concentration of benzoyl peroxide in suspension in water and a water-miscible organic solvent ➤ Try a Free Trial
8,663,699 Topical pharmaceutical formulations containing a low concentration of benzoyl peroxide in suspension in water and a water-miscible organic solvent ➤ Try a Free Trial
Patent No. Title Estimated Patent Expiration

This preview shows a limited data set. Subscribe for full access, or try a Free Trial

International Patents Family Members for US Patent 8,288,434

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 2009255679 ➤ Try a Free Trial
Brazil PI0913326 ➤ Try a Free Trial
Canada 2723029 ➤ Try a Free Trial
China 102056481 ➤ Try a Free Trial
Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration

This preview shows a limited data set. Subscribe for full access, or try a Free Trial

For more information try a trial or see the plans and pricing

Serving hundreds of leading biopharmaceutical companies globally:

Deloitte
US Army
Queensland Health
Covington
US Department of Justice
McKinsey
Moodys
Fuji
Merck

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. thinkBiotech performs no independent verifification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.