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Serving hundreds of leading biopharmaceutical companies globally:

Queensland Health
McKesson
Medtronic
Chubb
Argus Health
Baxter
Teva
Moodys
Fuji

Generated: April 25, 2018

DrugPatentWatch Database Preview

Details for Patent: 4,971,800

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Summary for Patent: 4,971,800
Title: Method and compositions for enhancing the cutaneous penetration of pharmacologically active agents
Abstract:Method and compositions for enhancing the cutaneous penetration of topically or transdermally delivered pharmacologically active agents. The compositions include various urethane compounds as permeation enhancers, the urethane compounds formed from reaction of a monomeric organic diisocyanate with a hydroxy- or hydroxy/alkoxy-terminated linear alkylene or polyalkylene glycol or polyether.
Inventor(s): Chess; Samuel (Newport Beach, CA), McCullough; Jerry L. (Irvine, CA), Weinstein; Gerald D. (Irvine, CA)
Assignee: The Regents of the University of California (Alameda, CA)
Application Number:07/408,757
Patent Claim Types:
see list of patent claims
Composition; Compound; Use;

Drugs Protected by US Patent 4,971,800

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 Family Members for US Patent 4,971,800

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Germany 3852437 ➤ Try a Free Trial
European Patent Office 0299758 ➤ Try a Free Trial
Spain 2065912 ➤ Try a Free Trial
Greece 3015410 ➤ 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:

Healthtrust
Cantor Fitzgerald
McKinsey
Chinese Patent Office
Daiichi Sankyo
Covington
Cerilliant
Dow
Farmers Insurance

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