| http://www.w3.org/ns/prov#value | - The food container according to claim 18, wherein said thermoplastic material of the sealing lid is a foamed or solid polymeric material selected from the group consisting of: polyamides, polyacrylates, polysulfones, polyetherketones, polycarbonates, acrylics, polyphenylene sulfides, acetals, cellulosic polymers, polyetherimides, polyphenylene ethers or oxides, styrene-maleic anhydride copolymers,
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