ALEXANDRIA, Va., Aug. 18 -- United States Patent no. 12,709,733, issued on Aug. 18, was assigned to MERCK PATENT GMBH (Darmstadt, Germany).

"Cell culture media" was invented by Aline Zimmer (Darmstadt, Germany), Ronja Seibel (Darmstadt, Germany), Corinna Schmidt (Darmstadt, Germany), Gregor Franz Werner Wille (Buchs, Switzerland), Markus Klaus Robert Fischer (Buchs, Switzerland) and Yannick Pierre Rey (Buchs, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to cell culture media comprising N-lactoyl derivatives of one or more amino acid. The poor solubility of some amino acids in cell culture media is overcome by substituting them with an N-lactoyl derivative."

The pa...