Details for Patent: 4,849,224
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Summary for Patent: 4,849,224
Title: | Device for administering an active agent to the skin or mucosa |
Abstract: | A transdermal drug delivery device comprising a drug formulation-containing reservoir defined by a backing layer and a drug-permeable membrane layer, a ring-shaped layer made of an adhesive that is incompatible with one or more components of the drug formulation that is peripheral to the reservoir outwardly of the membrane layer and a peelable liner layer that underlies at least the membrane layer with a first heat seal between the backing and the membrane about the perimeter of the reservoir and another concentric heat seal between the backing and the release liner positioned outwardly of the first heat seal, the heat seals providing barriers that isolate the drug formulation from the adhesive. |
Inventor(s): | Chang; Yunik (Toms River, NJ), Patel; Dinesh C. (Murray, UT), Ebert; Charles D. (Salt Lake City, UT) |
Assignee: | TheraTech Inc. (Salt Lake City, UT) |
Application Number: | 07/119,617 |
Patent Claim Types: see list of patent claims | Device; Formulation; |
Drugs Protected by US Patent 4,849,224
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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International Family Members for US Patent 4,849,224
Country | Patent Number | Estimated Expiration | Supplementary Protection Certificate | SPC Country | SPC Expiration |
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Austria | 154751 | ⤷ Try a Trial | |||
Austria | 81023 | ⤷ Try a Trial | |||
Australia | 2467788 | ⤷ Try a Trial | |||
Australia | 5341690 | ⤷ Try a Trial | |||
Australia | 603531 | ⤷ Try a Trial | |||
Australia | 631417 | ⤷ Try a Trial | |||
Canada | 1302824 | ⤷ Try a Trial | |||
>Country | >Patent Number | >Estimated Expiration | >Supplementary Protection Certificate | >SPC Country | >SPC Expiration |