Method for noticing changes in a package, method for locating a package, package and system for locating a package

摘要

The invention relates to a method non-damaging the package for noticing a change caused by a leakage, the oxygen content and/or deterioration of a product in the package by attaching an indicator to the packaging material using the dripping technique, which indicator indicates by discolouration a change in the conditions of the package. Further, the invention relates to a method for locating the package using the dripping technique by means of an identifier formed by the indicator attached to the package. The invention also relates to a package produced by the method mentioned above, as well as to a system for locating the package.