ALEXANDRIA, Va., July 16 -- United States Patent no. 12,359,241, issued on July 15, was assigned to LONZA WALKERSVILLE INC. (Walkersville, Md.).
"Coagulogen-free clarified limulus amebocyte lysate" was invented by Candice Stumbaugh (Chambersburg, Pa.), Leben Tadesse (Gaithersburg, Md.) and Karen Lin (Potomac, Md.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention is related to compositions comprising clarified limulus amebocyte lysate (LAL), wherein the LAL is substantially free of coagulogen and methods of making such compositions. The invention further relates to a method of detecting an endotoxin in a sample using a chromogenic assay, the method comprising: (a) contacting the sample with...