You’re using a public version of DrugPatentWatch with 5 free searches available | Register to unlock more free searches. CREATE FREE ACCOUNT

Last Updated: March 29, 2024

Details for Patent: 5,690,923


✉ Email this page to a colleague

« Back to Dashboard


Summary for Patent: 5,690,923
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;

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

International Family Members for US Patent 5,690,923

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria 202694 ⤷  Try a Trial
Australia 678039 ⤷  Try a Trial
Australia 7391394 ⤷  Try a Trial
Bulgaria 100267 ⤷  Try a Trial
Bulgaria 61713 ⤷  Try a Trial
Canada 2166062 ⤷  Try a Trial
Czech Republic 285679 ⤷  Try a Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

Make Better Decisions: Try a trial or see plans & pricing

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.