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Last Updated: April 16, 2024

Details for Patent: 4,588,580

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Summary for Patent: 4,588,580

Title:	Transdermal administration of fentanyl and device therefor
Abstract:	Transdermal delivery systems for delivery of fentanyl and its analgetically effective derivatives for extended periods of time are disclosed which deliver the base form of the drug at a rate of from 0.5 to 10 .mu.g/cm.sup.2 /hr for a substantial portion of their useful life. The systems can be from 5-100 cm.sup.2 in releasing surface and preferably employ an in-line amine resistant adhesive. Preferred rate controlled systems utilize an aqueous ethanolic gel to minimize drug content.
Inventor(s):	Gale; Robert M. (Los Altos, CA), Goetz; Victor (Palo Alto, CA), Lee; Eun S. (Redwood City, CA), Taskovich; Lina T. (Palo Alto, CA), Yum; Su I. (Los Altos, CA)
Assignee:	Alza Corporation (Palo Alto, CA)
Application Number:	06/633,762
Patent Claim Types: see list of patent claims	Process; Delivery; Device;

Drugs Protected by US Patent 4,588,580

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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 4,588,580

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Australia	4452785	⤷ Try a Trial
Australia	565177	⤷ Try a Trial
Belgium	902884	⤷ Try a Trial
Belgium	905568	⤷ Try a Trial
Canada	1245983	⤷ Try a Trial
Switzerland	665351	⤷ Try a Trial
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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