Coupled packaging sheets impermeable to gases and vapors and based on polyolefinic films

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United States of America Patent

PATENT NO 4719147
SERIAL NO

06897809

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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There are disclosed coupled packaging sheets which are impermeable to gases and vapors and consist of two polyolefinic films coupled together, at least one being an oriented polypropylene film and at least one of the two films being coated with a lacquer which acts as a barrier to gases and vapors, and which is metallized on the face in contact with the other film. The present invention provides coupled sheets or films based on films of olefinic polymers, showing improved characteristics of impermeability to gases and vapors and which are particularly suited for the manufacture of containers, envelopes, bags, vessels and, in general, manufactured articles intended prevailingly for the packaging industry.

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Patent Owner(s)

Patent OwnerAddress
MOPLEFAN S P AMILAN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Mauri, Luigi Terni, IT 8 44

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