Last Updated: November 9, 2026

Details for Patent: 11,833,286

« Back to Dashboard


Which drugs does patent 11,833,286 protect, and when does it expire?

Patent 11,833,286 protects HEPZATO and is included in one NDA.

This patent has fourteen patent family members in eight countries.

Summary for Patent: 11,833,286
Title:Filter and frame apparatus and method of use
Abstract:Provided is a filter apparatus, comprising two or more filter cartridges having a first end with an inlet and screen and a second end with an outlet and screen, and walls to contain a filter media held in a housing for holding the two or more filter cartridges in about the same orientation, and an attachment clamp connected to the housing. Also provided is a housing for holding two or more filter cartridges in about the same orientation and a method of using the filter apparatus and housing.
Inventor(s):William M. Appling, Stephen N. Engelhard, Matthew G. Barton
Assignee: Delcath Systems Inc
Application Number:US17/369,905
Patent Claim Types:
see list of patent claims
Compound; Delivery; Device;

Drugs Protected by US Patent 11,833,286

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 11,833,286

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Denmark 3603693 ⤷  Start Trial
European Patent Office 2797644 ⤷  Start Trial
European Patent Office 3238762 ⤷  Start Trial
European Patent Office 3360588 ⤷  Start Trial
European Patent Office 3603693 ⤷  Start Trial
Spain 2736176 ⤷  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.