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Patent Application: Filtration Condition Evaluation and Cell Product Production

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Summary

The USPTO has published a new patent application (US20260085109A1) from Asahi Kasei Life Science Corporation detailing a method for evaluating filtration conditions and producing cell products. The application was filed on November 14, 2023, and published with a projected application date of March 26, 2026.

Published by USPTO on changeflow.com . Detected, standardized, and enriched by GovPing. Review our methodology and editorial standards .

What changed

This document is a publication of a new patent application filed by Asahi Kasei Life Science Corporation. The application (US20260085109A1) describes an "Evaluation method of a filtration condition and method for producing product by cells," focusing on a process for evaluating filtration conditions using a porous membrane in a cell broth circulation system. The filing date was November 14, 2023, with a projected publication date of March 26, 2026.

As this is a patent application, it does not impose direct regulatory obligations or compliance deadlines on entities. However, it may be of interest to pharmaceutical and biotechnology companies involved in cell culture, filtration technologies, and product development. Compliance officers in these sectors should note this application as it pertains to potential future intellectual property and innovation in their fields.

Archived snapshot

Mar 26, 2026

GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.

← USPTO Patent Applications

EVALUATION METHOD OF FILTRATION CONDITION AND METHOD FOR PRODUCING PRODUCT BY CELLS

Application US20260085109A1 Kind: A1 Mar 26, 2026

Assignee

ASAHI KASEI LIFE SCIENCE CORPORATION

Inventors

Shun MATSUDA, Yuya SUGIYAMA, Yuta SAITO

Abstract

There is provided an evaluation method of a filtration condition, the evaluation method including, under a condition in which proliferation of cells is suppressed, feeding a cell broth containing cells from a culture vessel containing the cell broth to a porous membrane, returning a cell broth that has passed through the porous membrane without being filtered, to the culture vessel, and circulating the cell broth between the culture vessel and the porous membrane; and evaluating one or more filtration conditions with the porous membrane.

CPC Classifications

C07K 16/00 C07K 1/34

Filing Date

2023-11-14

Application No.

19129481

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Last updated

Classification

Agency
USPTO
Published
November 14th, 2023
Instrument
Notice
Legal weight
Non-binding
Stage
Final
Change scope
Minor
Document ID
US20260085109A1

Who this affects

Applies to
Drug manufacturers
Industry sector
3254 Pharmaceutical Manufacturing 3254.1 Biotechnology
Activity scope
Biotechnology Research Drug Manufacturing Processes
Geographic scope
United States US

Taxonomy

Primary area
Pharmaceuticals
Operational domain
Research & Development
Topics
Biotechnology Intellectual Property

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