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Composite heat-sealable films
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Patent number 4,384,024
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Issue date May 17, 1983
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Imperial Chemical Industries Limited
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Douglas L. Mitchell
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Metallized films
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Patent number 4,357,383
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Issue date Nov 2, 1982
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Imperial Chemical Industries Limited
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Martin E. Howden
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B32 - LAYERED PRODUCTS
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Film-forming composition
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Patent number 4,302,504
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Issue date Nov 24, 1981
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Imperial Chemical Industries Limited
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Robert C. Lansbury
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B32 - LAYERED PRODUCTS
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Multiple-layer films
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Patent number 4,252,851
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Issue date Feb 24, 1981
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Imperial Chemical Industries Limited
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Robert C. Lansbury
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B32 - LAYERED PRODUCTS