ALEXANDRIA, Va., June 19 -- United States Patent no. 12,332,153, issued on June 17, was assigned to Ventana Medical Systems Inc. (Tucson, Ariz.).
"Eosin staining techniques" was invented by Benjamin H. Blehm (Tucson, Ariz.), Evan T. Graves (Tucson, Ariz.) and Edward E. Durrant (Tucson, Ariz.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Presented herein are methods of improving the consistency of staining with a counterstain. In some embodiments, the method makes use of an automated specimen processing apparatus or other staining device. In some embodiments, the staining methods are applied manually. In some embodiments, the counterstain includes eosin."
The patent was filed on Feb. 21, 2024, under Applica...