ALEXANDRIA, Va., March 3 -- United States Patent no. 12,565,635, issued on March 3, was assigned to Cytiva Sweden AB (Uppsala, Sweden).

"Method of operation of a perfusion system" was invented by Anoop Bhargav (Bangalore Karnataka, India), Praveen Paul (Bangalore Karnataka, India), Prashanth Hosabettu Mohan (Bangalore Karnataka, India), Ajay Gore (Bangalore Karnataka, India), Pradeep Kumar (Bangalore Karnataka, India), Victor Jose (Bangalore Karnataka, India), Sahebagouda Alagur (Bangalore Karnataka, India), Melissa Marie Semple (Marlborough, Mass.) and Mark David Roberts (Marlborough, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method includes inducing a first quantity of a feed fluid (28) to flo...