IP Library Granted Patent US 7,067,556
Granted Patent B2
US 7,067,556 · App. 10/143,712 · Granted Jun 27, 2006

Compositions containing antimicrobials and urea for the treatment of dermatological disorders and methods for their use

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Quick Facts
Patent No.
US 7,067,556
App. No.
10/143,712
Granted
Jun 27, 2006
Kind
B2
Abstract

Topical compositions which include urea and an antimicrobial agent, particularly sulfacetamide, are described. Sulfacetamide compositions further including sulfur are also described. Methods for treating dermatological disorders using the compositions are also described.

Claims (7)

1. A method for treating a dermatological disorder selected from the group consisting of acne, psoriasis, seborrhea, rosacea, ingrown hairs, pseudofolliculitis barbae, and hyperpigmented skin comprising applying a topical composition consisting essentially of:

an amount of urea effective as an antimicrobial agent;

an amount of sulfacetamide or a salt thereof; and

a carrier wherein the amount of urea is from about 10 to about 40% by weight.

2. The method of claim 1 , wherein the amount of sulfacetamide or a salt thereof is from about 5 to about 20% by weight.

3. The method of claim 1 , wherein the dermatological disorder is acne.

4. The method of claim 2 , wherein the dermatological disorder is acne.

Assignments (10)
PATENT RELEASE Recorded Mar 20, 2015
From: ROYAL BANK OF CANADA, AS COLLATERAL AGENT
To: FOUGERA PHARMACEUTICALS INC. (F.K.A. NYCOMED US INC.)
Reel/Frame 035233/0381 →
PATENT SECURITY AGREEMENT Recorded Oct 21, 2011
From: FOUGERA PHARMACEUTICALS INC. (F.K.A. NYCOMED US INC.)
To: ROYAL BANK OF CANADA, AS COLLATERAL AGENT
Reel/Frame 027103/0716 →
CHANGE OF NAME Recorded Oct 5, 2011
From: NYCOMED US INC.
To: FOUGERA PHARMACEUTICALS INC.
Reel/Frame 027021/0146 →
MERGER Recorded Sep 15, 2008
From: BRADLEY PHARMACEUTICALS, INC.
To: NYCOMED US INC.
Reel/Frame 021561/0442 →
SECURITY AGREEMENT Recorded Feb 27, 2008
From: WACHOVIA BANK, NATIONAL ASSOCIATION
To: BRADLEY PHARMACEUTICALS, INC.
Reel/Frame 020566/0898 →
NOTICE OF GRANT OF SECURITY INTEREST Recorded Jan 30, 2008
From: BRADLEY PHARMACEUTICALS, INC.
To: WACHOVIA BANK, NATIONAL ASSOCIATION, AS ADMINISTRATIVE AGENT
Reel/Frame 020431/0325 →
NOTICE OF GRANT OF SECURITY INTEREST Recorded Jan 3, 2006
From: BRADLEY PHARMACEUTICALS, INC.
To: WACHOVIA BANK, NATIONAL ASSOCIATION, AS ADMINISTRATIVE AGENT
Reel/Frame 016976/0403 →
NOTICE OF GRANT OF SECURITY INTEREST Recorded Nov 15, 2004
From: BRADLEY PHARMACEUTICALS, INC.
To: WACHOVIA BANK, NATIONAL ASSOCIATION, AS ADMINISTRATIVE AGENT
Reel/Frame 015355/0622 →
NOTICE OF GRANT OF SECURITY INTEREST Recorded Sep 28, 2004
From: BRADLEY PHARMACEUTICALS, INC.
To: WACHOVIA BANK, NATIONAL ASSOCIATION, AS ADMINISTRATIVE AGENT
Reel/Frame 015190/0001 →
SECURITY INTEREST Recorded Jun 12, 2003
From: BRADLEY PHARMACEUTICALS, INC.
To: WACHOVIA BANK, NATIONAL ASSOCIATION
Reel/Frame 014158/0407 →