IP Library Granted Patent US 8,158,138
Granted Patent B1
US 8,158,138 · App. 10/849,531 · Granted Apr 17, 2012

Urea compositions and their methods of manufacture

View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 8,158,138
App. No.
10/849,531
Granted
Apr 17, 2012
Kind
B1
Abstract

Urea compositions useful for treatment of dermatological conditions. The compositions, which are free from perceptible solids, may include at least about 50 wt-% urea, zinc pyrithione, and lactic acid, and may be formulated as a topical gel.

Claims (26)

1. A dermatological composition comprising:

about 50.3 wt-% urea;

about 0.30 wt-% hydroxyethylcellulose;

about 0.30 wt-% xanthan gum;

about 20.00 wt-% propylene glycol;

about 0.10 wt-% zinc pyrithione;

about 2.00 wt-% lactic acid; and

about 2.70 wt-% triethanolamine.

2. A dermatological composition, comprising:

about 0.18 wt-% carbomer;

about 35.2 wt-% urea;

about 5 wt-% caprylic triglyceride;

about 0.1 wt-% ceramide;

about 0.75 wt-% linoleic acid;

about 0.8 wt-% cholesterol;

about 3 wt-% vitamin E;

about 2 wt-% triethanolamine;

about 2 wt-% lactic acid; and

about 0.1 wt-% zinc pyrithione.

3. A dermatological composition, comprising:

about 50 wt-% urea;

about 5 wt-% caprylic triglyceride;

about 0.75 wt-% linoleic acid;

about 3 wt-% vitamin E;

about 2 wt-% lactic acid; and

about 0.1 wt-% zinc pyrithione.

Assignments (8)
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 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 20, 2004
From: LANDAU, RALPH; SANSON, DALE R.; JAHANI, AMIR K.
To: BRADLEY PHARMACEUTICALS, INC.
Reel/Frame 015803/0693 →