ZeaVision, LLC, St. Louis, MO, and Chrysantis, Inc., West Chicago, IL, have entered into a licensing agreement to market and sell zeaxanthin. According to the agreement, Chrysantis has been granted a limited, non-exclusive license to ZeaVision’s patents related to zeaxanthin. ZeaVision is the holder of a wide-ranging patent estate on the use of zeaxanthin in supplements and food products.