Stock material or miscellaneous articles – Hollow or container type article – Polymer or resin containing
Reexamination Certificate
2011-04-19
2011-04-19
Miggins, Michael C (Department: 1782)
Stock material or miscellaneous articles
Hollow or container type article
Polymer or resin containing
C428S035700, C428S036600, C428S036900, C428S036910, C428S035900, C428S474400, C428S475200, C428S480000
Reexamination Certificate
active
07927678
ABSTRACT:
There is provided a multilayer bottle including an outermost layer and an innermost layer which are each made of a thermoplastic polyester resin, and at least one barrier layer interposed between the outermost layer and the innermost layer. The barrier layer contains at least two components including a polyamide obtained by polycondensing a diamine component containing m-xylylenediamine as a main component with a dicarboxylic acid component containing an α,ω-linear aliphatic dicarboxylic acid as a main component, and a thermoplastic resin having a lower molecular weight than that of the polyamide. The multilayer bottle hardly suffers from delamination upon impact or dropping and, therefore, is not required to have a shape with less irregularities or less bends for preventing the delamination, and further has a large freedom of design choice.
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Extended European Search Report, including Supplementary European Search Report and European Search Opinion, dated Feb. 17, 2010, for Application No. EP 06 83 5086.
Kanda Tomomichi
Kurokawa Masashi
Maruo Kazunobu
Mitadera Jun
Antonelli, Terry Stout & Kraus, LLP.
Miggins Michael C
Mitsubishi Gas Chemical Company Inc.
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