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Last Updated: December 6, 2019

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Details for Patent: 4,994,267

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Summary for Patent: 4,994,267
Title: Transdermal acrylic multipolymer drug delivery system
Abstract:A dermal composition comprising a drug, a multipolymer of ethylene-vinyl acetate, an acrylic polymer, 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 multipolymer, drug and optional crosslinking agent and additional ingredients in solution or suspension or emulsion followed by removal of excess solvent.
Inventor(s): Sablotsky; Steven (Miami, FL)
Assignee: Noven Pharmaceuticals, Inc. (Miami, FL)
Application Number:07/295,847
Patent Claim Types:
see list of patent claims
Composition;

Drugs Protected by US Patent 4,994,267

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

International Family Members for US Patent 4,994,267

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Argentina 002355   Start Trial
Austria 122240   Start Trial
Austria 144704   Start Trial
Austria 148633   Start Trial
Austria 223185   Start Trial
Austria 235898   Start Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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