ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,751,446, issued on Oct. 6, was assigned to PromoCell GmbH (Heidelberg, Germany).
"Aqueous solution for cell preservation" was invented by Hagen Wieland (Heidelberg, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to an aqueous solution for cell preservation of preferably mammalian cells, which can be used for cell preservation as a cryoprotectant or as a pharmaceutical product or excipient. Furthermore, the invention relates to a method for preserving cells using the aqueous solution for cell preservation, and to a method for defrosting cells which are frozen in the aqueous solution."
The patent was filed on June 27, 2022, u...