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Last Updated: April 17, 2024

Details for Patent: 5,227,169

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Summary for Patent: 5,227,169

Title:	Sorbitan esters as skin permeation enhancers
Abstract:	Skin permeation enhancer compositions are provided which increase the permeability of skin to transdermally administered pharmacologically active agents. The compositions contain a sorbitan ester in addition to the selected pharmacologically active agent, and may also contain a C.sub.1 -C.sub.4 aliphatic alcohol. Methods and transdermal drug delivery systems for using the compositions are also provided.
Inventor(s):	Heiber; Sonia (Salt Lake City, UT), Patel; Dinesh (Murray, UT), Ebert; Charles D. (Salt Lake City, UT)
Assignee:	Theratech, Inc. (Salt Lake City, UT)
Application Number:	07/848,110
Patent Claim Types: see list of patent claims	Compound; Formulation; Device;

Drugs Protected by US Patent 5,227,169

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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 5,227,169

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Austria	167384	⤷ Try a Trial
Australia	656755	⤷ Try a Trial
Australia	9141391	⤷ Try a Trial
Canada	2098196	⤷ Try a Trial
Germany	69129632	⤷ Try a Trial
Denmark	0561983	⤷ Try a Trial
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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