A U.S. Patent for “Methods for Increasing the Capacity of Flow-Through Processes” was awarded to MilliporeSigma on February 4th, 2020. The present invention is a process for separating target proteins from non-target proteins, comprising: a) obtaining a liquid sample containing target proteins and non-target proteins; b) increasing the concentration of the target proteins and non-target proteins in the sample by an ultrafiltration process to produce a concentrated feed for delivery to a chromatography device, the ultrafiltration process being a recirculating tangential flow filtration (TFF) process, a single-pass TFF (SPTFF) process, or a TFF process… Learn More