A U.S. Patent for “Automated Multi-Step Purification System” was awarded to GE on October 1st, 2019. The present invention is an automated two step chromatography purification system comprising a, system controller, a capture flow path comprising at least one pump, an elution flow path comprising at least one pump, and a valve arrangement for selective connection of two capture columns to the capture flow path and the elution flow path respectively such that both flow paths may be operated simultaneously and in parallel. Learn More