AUFDRUCKBARER ODER AUFTRAGBARER SAUERSTOFFINDIKATOR UND SAUERSTOFFANZEIGEVORRICHTUNG

摘要

An oxygen indicator adapted for printing or coating which comprises (a) at least one reducing agent, (b) a dyestuff causing color change when it is reduced with the reducing agent, (c) at least one thickening agent and (d) at least one solvent and a sheet-like oxygen indicator in which a composition comprising the above four components (a)-(d) is coated or printed on a substrate are disclosed.