Details for Patent: 5,690,923
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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; | More… ↓ |
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 |
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>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 |
93201931 | Jan 07, 1993 |
PCT Information | |||
PCT Filed | July 01, 1994 | PCT Application Number: | PCT/NL94/00151 |
PCT Publication Date: | January 12, 1995 | PCT 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 |
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Austria | 202694 | ⤷ Subscribe | |||
Australia | 678039 | ⤷ Subscribe | |||
Australia | 7391394 | ⤷ Subscribe | |||
>Country | >Patent Number | >Estimated Expiration | >Supplementary Protection Certificate | >SPC Country | >SPC Expiration |