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Last Updated: December 11, 2019

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Details for Patent: 5,252,334

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Summary for Patent: 5,252,334
Title: Solid matrix system for transdermal drug delivery
Abstract:A matrix for containing drugs for transdermal delivery systems is disclosed. The matrix, formed of a skin-adhesive acrylate copolymer, attains high rates of drug delivery without the addition of drug delivery rate enhancers. In preferred embodiments the matrix is used to administer steroids, in particular estradiol. Water-soluble polymers may be added as well.
Inventor(s): Chiang; Chia-Ming (Foster City, CA), Tenzel; Renee A. (Mountain View, CA)
Assignee: Cygnus Therapeutic Systems (Redwood City, CA)
Application Number:07/857,094
Patent Claim Types:
see list of patent claims
Delivery; Device;

Drugs Protected by US Patent 5,252,334

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

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