date:May 24, 2012
elapsed time from the opening of a product. A red panel alerts the consumer when the use within period has expired and the product may no longer be safe to use.
Time ranges on the UWI Label can be set as hours, days, weeks, months up to a six month total and this desired time period is pre-set at the point of production manufacture.
Inventor Pete Higgins said, The label reacts as a soon as a food jar or packaging is opened, then gives a visual warning when the product is no longer safe to cons