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Serving leading biopharmaceutical companies globally:

Novartis
Chinese Patent Office
Dow
Fish and Richardson
Queensland Health
Covington
Cantor Fitzgerald
Daiichi Sankyo
Chubb
Cipla

Generated: February 24, 2018

DrugPatentWatch Database Preview

Details for Patent: 5,670,547

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Summary for Patent: 5,670,547
Title: Moisturizing vehicle for topical application of vitamin A acid
Abstract:A formulation containing tretinoin, a gelling agent, proteinaceous material, and water is provided for the uniform topical application of tretinoin. The water-based formulation is oil- and fat-free, alcohol-free, and rich in proteinaceous material. The formulation is stable over time and is comedogenic and less irritating and drying to the skin.
Inventor(s): Milstein; Elliott A. (West Bloomfield, MI), Milstein; Nathan (Hazel Park, MI)
Assignee: Dow Pharmaceutical Sciences (Petaluma, CA)
Application Number:08/430,154
Patent Claim Types:
see list of patent claims
Formulation; Delivery; Composition;

Drugs Protected by US Patent 5,670,547

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

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International Patents Family Members for US Patent 5,670,547

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 5296890 ➤ Try a Free Trial
Australia 633892 ➤ Try a Free Trial
Canada 2014437 ➤ Try a Free Trial
China 1047802 ➤ Try a Free Trial
Czechoslovakia 9001911 ➤ Try a Free Trial
German Democratic Republic 298352 ➤ Try a Free Trial
European Patent Office 0393904 ➤ Try a Free Trial
Hungary 902444 ➤ Try a Free Trial
Hungary T53518 ➤ Try a Free Trial
Israel 93928 ➤ Try a Free Trial
Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration

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Serving hundreds of leading biopharmaceutical companies globally:

Covington
Chinese Patent Office
Moodys
US Army
McKesson
Federal Trade Commission
Chubb
Citi
Fuji

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 verifification 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.

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