IP Library Granted Patent US 8,808,716
Granted Patent B2
US 8,808,716 · App. 13/553,849 · Granted Aug 19, 2014

Topical foam composition

Inventor: Leon Loupenok (Rowville, AU)
Assignee: Stiefel Research Australia Pty Ltd
A61K31/203A61K9/1075A61K9/122A61K31/192A61K31/4436A61K9/0014Y10S514/939Y10S514/938Y10S514/945Y10S514/941
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 8,808,716
App. No.
13/553,849
Granted
Aug 19, 2014
Kind
B2
Abstract

The present invention relates to a novel oil in water emulsion aerosol foam composition containing an active agent for the treatment of various chronic and acute skin conditions, particularly acne and psoriasis; and processes for preparing the emulsion aerosol foam compositions. In particular, the present invention relates to oil in water emulsion aerosol foam compositions containing a retinoid in the oil phase.

Claims (65)

1. An oil in water emulsion aerosol foam composition comprising an oil phase and a water phase, said composition containing an aerosol base comprising:

butylated hydroxytoluene

about 0.1%

ceteareth 12

about 5%

light mineral oil

about 6%

sorbic acid

about 0.4%

diisopropyl adipate

about 5%

tazarotene

about 0.1%

citric acid

about 0.03%

potassium citrate

about 0.57%

water

about 82.80%

wherein all percentages are expressed by weight and are based on the total weight of the aerosol base;

and a hydrocarbon propellant present in an amount from about 7 to about 8 grams per 100 grams of aerosol base.

2. An oil in water emulsion aerosol foam composition comprising an oil phase and a water phase, said composition containing an aerosol base comprising:

butylated hydroxytoluene

about 0.1%

ceteareth 12

about 5%

light mineral oil

about 6%

sorbic acid

about 0.15%

potassium sorbate

about 0.2%

diisopropyl adipate

about 5%

tazarotene

about 0.1%

citric acid

about 0.037%

potassium citrate

about 0.103%

water

about 83.31%

wherein all percentages are expressed by weight and are based on the total weight of the aerosol base;

and a hydrocarbon propellant present in an amount from about 7 to about 8 grams per 100 grams of aerosol base.

3. An oil in water emulsion aerosol foam composition comprising an oil phase and a water phase, said composition containing an aerosol base comprising:

butylated hydroxytoluene

about 0.1%

ceteareth 12

about 5%

light mineral oil

about 8%

sorbic acid

about 0.40%

diisopropyl adipate

about 7%

tazarotene

about 0.1%

citric acid

about 0.03%

potassium citrate

about 0.54%

water

about 78.83%

wherein all percentages are expressed by weight and are based on the total weight of the aerosol base;

and a hydrocarbon propellant present in an amount from about 7 to about 8 grams per 100 grams of aerosol base.

Assignments (4)
RELEASE OF SECURITY INTEREST Recorded Jun 3, 2024
From: WESTPAC ADMINISTRATION PTY. LIMITED ACN 008 617 203
To: MAYNE PHARMA LLC
Reel/Frame 067598/0194 →
SECURITY INTEREST Recorded Jul 25, 2022
From: MAYNE PHARMA LLC
To: WESTPAC ADMINISTRATION PTY. LIMITED
Reel/Frame 060602/0385 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 6, 2016
From: STIEFEL RESEARCH AUSTRALIA PTY LTD
To: MAYNE PHARMA LLC
Reel/Frame 039959/0207 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 20, 2012
From: LOUPENOK, LEON
To: STIEFEL RESEARCH AUSTRALIA PTY LTD
Reel/Frame 028814/0751 →
Continuity (3)
Continuation 12711337 · Feb 24, 2010
Provisional Application 61202403 · Feb 25, 2009
Related Publication 20130011452A1 · Jan 10, 2013