Last Updated: November 8, 2026

Details for Patent: 11,241,522

Name: Drug Patent Intelligence for US Patent 11241522
Creator: DrugPatentWatch
License: https://www.drugpatentwatch.com/terms.php

« Back to Dashboard

Which drugs does patent 11,241,522 protect, and when does it expire?

Patent 11,241,522 protects HEPZATO and is included in one NDA.

This patent has twelve patent family members in seven countries.

Summary for Patent: 11,241,522

Title:	Apparatus for removing chemotherapy compounds from blood
Abstract:	A filter apparatus for removing small molecule chemotherapy agents from blood is provided. The filter apparatus comprises a housing with an extraction media comprised of polymer coated carbon cores. Also provided are methods of treating a subject with cancer of an organ or region comprising administering a chemotherapeutic agent to the organ or region, collecting blood laded with chemotherapeutic agent from the isolated organ, filtering the blood laden with chemotherapeutic agent to reduce the chemotherapeutic agent in the blood and returning the blood to the subject.
Inventor(s):	Daniel S. Johnston, Jacques Chammas, William M. Appling, Samantha J. Barton
Assignee:	Delcath Systems Inc
Application Number:	US16/740,166
Patent Claim Types: see list of patent claims	Compound; Device;

Drugs Protected by US Patent 11,241,522

Glossary

Subscribe to access the full database, or Start Trial
Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Patented / Exclusive Use	Submissiondate
Delcath Systems Inc	HEPZATO	melphalan hydrochloride	POWDER;INTRA-ARTERIAL	201848-001	Aug 14, 2023		RX	Yes	Yes	⤷ Start Trial	⤷ Start Trial	Y				⤷ Start Trial
>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 11,241,522

Subscribe to access the full database, or Start Trial
Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
European Patent Office	2776086	⤷ Start Trial
European Patent Office	3241576	⤷ Start Trial
European Patent Office	3590561	⤷ Start Trial
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

Make Better Decisions: Try a trial or see plans & pricing

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.