Multilayer container, method for manufacturing same, and method for manufacturing reclaimed polyester

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United States of America Patent

PATENT NO 11724848
APP PUB NO 20230102641A1
SERIAL NO

17798818

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Abstract

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Provided is a multilayer container including: a polyester layer containing a polyester resin (X); and a polyamide layer containing a polyamide resin (Y) and a yellowing inhibitor (A). The content of the polyamide resin (Y) is from 0.05 to 7.0 mass % relative to a total amount of all polyamide layers and all polyester layers, and the content of the yellowing inhibitor (A) is from 1 to 30 ppm relative to the total amount of all polyamide layers and all polyester layers. Also provided are a method for manufacturing the multilayer container, and a method for manufacturing a recycled polyester, the method thereof including a step of recovering polyester from the multilayer container.

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Patent Owner(s)

Patent OwnerAddress
MITSUBISHI GAS CHEMICAL COMPANY INC5-2 MARUNOUCHI 2-CHOME CHIYODA-KU TOKYO 100-8324

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Daito, Masayuki Kanagawa, JP 14 42
Otsuka, Kosuke Kanagawa, JP 18 20
Yamada, Takumi Kanagawa, JP 55 102

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