The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 20, 2026
Filed:
Nov. 13, 2020
Lonza Ltd, Visp, CH;
Brandon John Downey, Visp, CH;
Anthony Quach, Visp, CH;
LONZA LTD, Visp, CH;
Abstract
A process and system for producing an inoculum for downstream cell production is disclosed. The inoculum is produced in a perfusion bioreactor in which the nutrient media feed is increased as the biomass concentration increases within the bioreactor. A biomass sensor can be used to periodically or continuously monitor biomass concentration. This information can be fed to a controller for automatically increasing nutrient media feed rates in a manner that is directly proportional to producing an inoculum with an increase cell density. The process and system can also include an automated subsystem for maintaining constant volume levels within the perfusion bioreactor during the process.