Last Updated: April 27, 2026

Claims for Patent: 11,179,469

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Summary for Patent: 11,179,469

Title:	Transdermal absorption preparation
Abstract:	Provided is a transdermal absorption preparation that shows superior skin permeability of a drug and that does not easily cause cold flow. A transdermal absorption preparation having a drug-containing layer containing a drug and a polymer, wherein 50-100 wt % of the polymer in the drug-containing layer is a polymer having a glass transition temperature of 30° C.-200° C., and the drug in the drug-containing layer is in an amorphous state.
Inventor(s):	Tomohito Takita, Kaiji FUJIWARA, Chie MATSUMOTO
Assignee:	Nitto Denko Corp
Application Number:	US15/935,443

Details for Patent 11,179,469

Glossary

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Applicant	Tradename	Biologic Ingredient	Dosage Form	BLA	Approval Date	Patent No.	Expiredate
Seqirus Pty Ltd.	AFLURIA, AFLURIA QUADRIVALENT	influenza vaccine	Injection	125254	September 28, 2007	⤷ Start Trial	2038-03-26
Seqirus Pty Ltd.	AFLURIA, AFLURIA QUADRIVALENT	influenza vaccine	Injection	125254	August 26, 2016	⤷ Start Trial	2038-03-26
Seqirus Pty Ltd.	AFLURIA, AFLURIA QUADRIVALENT	influenza vaccine	Injection	125254	October 04, 2018	⤷ Start Trial	2038-03-26
>Applicant	>Tradename	>Biologic Ingredient	>Dosage Form	>BLA	>Approval Date	>Patent No.	>Expiredate

International Patent Family for US Patent 11,179,469

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Country	Patent Number	Estimated Expiration
China	108785286	⤷ Start Trial
European Patent Office	3395336	⤷ Start Trial
Japan	2018188420	⤷ Start Trial
Japan	6757351	⤷ Start Trial
South Korea	20180121352	⤷ Start Trial
South Korea	20200015929	⤷ Start Trial
Taiwan	201841626	⤷ Start Trial
>Country	>Patent Number	>Estimated Expiration

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