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Last Updated: December 22, 2024

Details for Patent: 5,690,923


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Summary for Patent: 5,690,923
Patent landscape, scope, and claims:
Title: Stable topical retinoid compositions
Abstract:Compositions for topical application to the skin are provided, which compositions comprise a retinoid in an aqueous vehicle, and further contain at least one non-ionic surfactant, wherein the non-ionic surfactant is the crystallization-preventing and stabilizing agent for said retinoid and is selected from the group consisting of polyoxyethylene mono fatty alcohol ethers, polyoxyethylene glyceryl fatty acid triesters and ethyleneoxide/propyleneoxide block copolymers.
Inventor(s): DeVringer; Tom (Zoetermeer, NL), Van Harrewijn; Antoon (Delft, NL), Muehlenbruch; Aart (Haarlem, NL)
Assignee: Yamanouchi Europe B.V. (Leiderdorp, NL)
Application Number:08/571,898
Patent Claim Types:
see list of patent claims
Use; Composition;

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Drugs Protected by US Patent 5,690,923

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
>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: 5,690,923

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
93201931Jan 07, 1993
PCT Information
PCT FiledJuly 01, 1994PCT Application Number:PCT/NL94/00151
PCT Publication Date:January 12, 1995PCT Publication Number: WO95/01160

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