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Serving hundreds of leading biopharmaceutical companies globally:

Julphar
Chubb
US Army
Express Scripts
Fish and Richardson
Johnson and Johnson
McKinsey
AstraZeneca
QuintilesIMS

Generated: June 24, 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
Austria 115553 ➤ Try a Free Trial
Canada 1331861 ➤ Try a Free Trial
Germany 3852437 ➤ Try a Free Trial
European Patent Office 0299758 ➤ 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:

Merck
Covington
Citi
Queensland Health
Daiichi Sankyo
Cipla
US Army
Teva
US Department of Justice

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