US Patent Issued to GI SUPPLY on April 29 for "Tissue stain and use thereof" (Connecticut, Massachusetts, Illinois Inventors)

ALEXANDRIA, Va., June 9 -- United States Patent no. 12,285,499, issued on April 29, was assigned to GI SUPPLY (Mechanicsburg, Pa.).

"Tissue stain and use thereof" was invented by Mary Jo Timm (Littleton, Mass.), Robert G. Whalen (Willington, Conn.), Amy A. Cameron (Union, Conn.) and Patrick Lee (Long Grove, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a tissue staining composition containing carbon particles having a mean particle diameter less than 0.3 micro metre in diameter (optionally less than 0.2 micro metre in diameter) together with one or more agents that maintain the carbon particles in suspension (for example, an anti-settling agent and/or surfactant). In certain circumstances, ...