ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,441,983, issued on Oct. 14, was assigned to Asterias Biotherapeutics Inc. (Carlsbad, Calif.).
"Suspension culture of human embryonic stem cells" was invented by Ramkumar Mandalam (Union City, Calif.), Yan Li (Tallahassee, Fla.) and Isabelle Nadeau-Demers (San Francisco).
According to the abstract* released by the U.S. Patent & Trademark Office: "This disclosure provides an improved system for culturing human embryonic stem cells. The cells are cultured in suspension so as to maximize the production capacity of the culture environment. The new culture system of this invention allows for bulk proliferation of hES cells in a more cost-effective manner, which facilitates commercial produ...