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Serving hundreds of leading biopharmaceutical companies globally:

Medtronic
Merck
Express Scripts
UBS
Covington
Baxter
Julphar
Johnson and Johnson
Boehringer Ingelheim

Generated: April 23, 2018

DrugPatentWatch Database Preview

Details for Patent: 4,814,168

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Summary for Patent: 4,814,168
Title: Transdermal multipolymer drug delivery system
Abstract:A dermal compositon comprising a drug, a multi-polymer of vinyl acetate, polyethylene and optionally one or more monomers, a natural or synthetic rubber and a tackifying agent. The ratio of the multipolymer to the rubber is, respectively, about 1:1 to about 10:1 and more preferably 1:1 to 5:1 and more preferably 3:1. The dermal composition can optionally contain a crosslinking agent, tackifiers, penetration enhancers and other ingredients known for use in adhesives for the transdermal delivery of drugs. The dermal compositions can be produced by a variety of methods known in the preparation of drug containing adhesive preparations including the homogenous mixing of the multi-polymer, drug and optional crosslinking agent and additional ingredients in aqueous solution followed by removal of excess water.
Inventor(s): Sablotsky; Steven (Miami, FL), Questel; John M. (Cuyahoga Falls, OH), Leeson; Dorothy J. (North Canton, OH)
Assignee: Noven Pharmaceuticals, Inc. (Miami, FL)
Application Number:07/164,482
Patent Claim Types:
see list of patent claims
Composition;

Drugs Protected by US Patent 4,814,168

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 4,814,168

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Canada 2044132 ➤ Try a Free Trial
Canada 1338660 ➤ Try a Free Trial
Canada 2025033 ➤ Try a Free Trial
Brazil 9506470 ➤ 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:

Federal Trade Commission
Accenture
Fish and Richardson
Chinese Patent Office
Teva
Merck
Baxter
AstraZeneca
Cantor Fitzgerald

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