Details for Patent: RE41134

Summary for Patent: RE41134

Patent landscape, scope, and claims:

Title:	Slow release vehicles for minimizing skin irritancy of topical compositions
Abstract:	.[.Staple.]. .Iadd.Stable.Iaddend., aqueous gel vehicles are provided for the topical application to the skin of irritating active ingredients such as retinoids, particularly tretinoin, with slow release of the active ingredient and minimal irritancy to the skin. The vehicles include a gelling agent effective to form a gel and hold the active ingredient in the aqueous medium for slow release on the skin, and an effective amount of an antioxidant to retard decomposition of the active ingredient. The vehicles and formulations are preferably aqueous emulsions which contain a solubilizing agent for the generally non-water soluble active ingredients, as well as usually an emulsifying agent and/or surfactant. Chelating agents, emollients, preservatives and other adjuvants and additives may also be included in the vehicles and formulations.
Inventor(s):	Bazzano; Gail S. (Metairie, LA)
Assignee:	Alyzan, Inc. (Metairie, LA)
Application Number:	10/999,235
Patent Claim Types: see list of patent claims	Use; Composition;

Drugs Protected by US Patent RE41134

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Patented / Exclusive Use	Submissiondate

Foreign Priority and PCT Information for Patent: RE41134

PCT Information
PCT Filed	June 07, 1999	PCT Application Number:	PCT/US90/03219
PCT Publication Date:	December 13, 1990	PCT Publication Number:	WO90/14833

International Family Members for US Patent RE41134

Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Canada	2063576
Germany	69029804
European Patent Office	0481007
World Intellectual Property Organization (WIPO)	9014833