ALEXANDRIA, Va., April 7 -- United States Patent no. 12,595,448, issued on April 7, was assigned to Enlightened Soil Corp (Johns Island, S.C.).

"System and method using nanobubble oxygenation for mass propagation of a microalgae that remain viable in cold storage" was invented by George Jesse Taylor IV (Johns Island, S.C.), Christopher Spaulding (Johns Island, S.C.), Andrew Shuler (Charleston, S.C.) and Steve Morton (Hanahan, S.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system and method for growing microalgae capable of mixotrophic metabolism, preferably Chlorella sp. Microalgae grown in the system using the method are able to survive and grow in dark refrigeration, which allows the algae to be sto...