Last Updated: June 25, 2026

Patent: 10,662,237

✉ Email this page to a colleague

Summary for Patent: 10,662,237

Title:	Method to improve virus filtration capacity
Abstract:	The present invention relates to the field of protein purification. In particular, the invention concerns methods for increasing the filtration capacity of virus filters, by combined use of endotoxin removal and cation-exchange media in the prefiltration process.
Inventor(s):	Mehta Amit
Assignee:	Genentech, Inc.
Application Number:	US12806171
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for patent 10,662,237
Patent Claims:	see list of patent claims

Details for Patent 10,662,237

Glossary

Subscribe to access the full database, or Start Trial
Applicant	Tradename	Biologic Ingredient	Dosage Form	BLA	Approval Date	Patent No.	Expiredate
Idec Pharmaceuticals Corp.	RITUXAN	rituximab	Injection	103737	February 19, 2002	10,662,237	2030-08-06
Genentech, Inc.	AVASTIN	bevacizumab	Injection	125085	February 26, 2004	10,662,237	2030-08-06
>Applicant	>Tradename	>Biologic Ingredient	>Dosage Form	>BLA	>Approval Date	>Patent No.	>Expiredate

International Patent Family for US Patent 10,662,237

Subscribe to access the full database, or Start Trial
Country	Patent Number	Estimated Expiration
Australia	2010292897	⤷ Start Trial
Brazil	112012002574	⤷ Start Trial
Canada	2770235	⤷ Start Trial
China	102712691	⤷ Start Trial
>Country	>Patent Number	>Estimated 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.