Which packaging innovation, patented in 1952, revolutionized food preservation by creating a vacuum seal that significantly extended shelf life and is now used for over 75% of preserved foods worldwide?

Product packaging has evolved dramatically over the centuries, with certain innovations revolutionizing entire industries. Some packaging breakthroughs have not only extended product shelf life but fundamentally changed consumer habits and market dynamics. This question explores a groundbreaking packaging invention that transformed food preservation and distribution in the 20th century.

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• The pop-top aluminum can (pull-tab)
• Tetra Pak aseptic packaging
• The twist-off metal vacuum lid
• Retort flexible packaging

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