US Patent Issued to Evonik Operations on July 28 for "Filter holder for extrusion of liposomes" (Canadian Inventors)

ALEXANDRIA, Va., July 28 -- United States Patent no. 12,691,421, issued on July 28, was assigned to Evonik Operations GmbH (Essen, Germany).

"Filter holder for extrusion of liposomes" was invented by Alex Torres (Vancouver, Canada), David Jung (Surrey, Canada) and Norbert Maurer (Vancouver, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A filter holder for liposome extrusion includes a housing having an inlet configured to receive a material to be extruded and an outlet, and a filter support member disposed within the housing between the inlet and the outlet. The filter support member includes an upstream side having a filter support surface configured to support a membrane filter assembly, a downstre...