Packaging material comprising indicator responding to an external stimulus

• Main Authors: BLYTH, Stuart Mackintosh, SCAROLA, Leonard, ZERFAS, Paul Anthony, POITEVIN, Patrick Jules Joseph, WEBER, Jeffrey Thomas
• Format: Patent
• Language: English
• Published: 25.11.2021
• Subjects: BEER; BIOCHEMISTRY; CHEMISTRY; COMPOSITIONS OR TEST PAPERS THEREFOR; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL ORENZYMOLOGICAL PROCESSES; ENZYMOLOGY; INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEICACIDS OR MICROORGANISMS; METALLURGY; MICROBIOLOGY; MUTATION OR GENETIC ENGINEERING; PHYSICS; PROCESSES OF PREPARING SUCH COMPOSITIONS; SPIRITS; TESTING; VINEGAR; WINE

INKLESS PRINTING ON SUBSTRATES AND COMESTIBLES A packaging material for use in a package having contents including a food item. The packaging material comprises a layer including an additive transformable from a first state to a second state in response to an external stimulus and a barrier layer po...