Last Updated: August 25, 2026

Details for Patent: 8,226,971

Name: Drug Patent Intelligence for US Patent 8226971
Creator: DrugPatentWatch
License: https://www.drugpatentwatch.com/terms.php

✉ Email this page to a colleague

« Back to Dashboard

Summary for Patent: 8,226,971

Title:	Catheter lock solution comprising citrate and a paraben
Abstract:	This invention relates to compositions, methods, devices and kits relating to the infusion of a catheter lock solution into an indwelling catheter. Inventive compositions, methods, devices and kits aid in diminishing the effects of microbial infection in catheters and occlusion of the catheters. A lock solution provided by the invention includes citrate and a paraben. The solution preferably has a density suitable for retention of the solution in a catheter during the lock period. Another lock solution provided by the invention includes citrate, a paraben and a photo-oxidant, such as, for example, methylene blue.
Inventor(s):	Stephen R. Ash, Janusz Steczko, Gary L. Swanson
Assignee:	Ash Access Technology Inc , Zurex Pharma Inc
Application Number:	US12/792,286
Patent Claim Types: see list of patent claims	Formulation; Compound;

Drugs Protected by US Patent 8,226,971

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
>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 8,226,971

Subscribe to access the full database, or Start Trial
Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Austria	E453415	⤷ Start Trial
Australia	2006212946	⤷ Start Trial
Brazil	PI0606969	⤷ Start Trial
Canada	2597055	⤷ Start Trial
Chile	2007002304	⤷ 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.