Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Reexamination Certificate
2006-06-20
2006-06-20
Yoon, Tae H. (Department: 1714)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
C524S503000, C525S056000, C525S057000, C428S034700
Reexamination Certificate
active
07064158
ABSTRACT:
A resin composition comprising 70 to 99.9% by weight of ethylene-vinyl alcohol copolymer (A) and 0.1 to 30% by weight of a thermoplastic resin (B) other than the ethylene-vinyl alcohol copolymer (A) is provided. In the resin composition, an ethylene content ETa (mol %) and a degree of saponification SDa (%) of the ethylene-vinyl alcohol copolymer (A) satisfy the following equations (1) and (2):in-line-formulae description="In-line Formulae" end="lead"?25≦ETa≦55 (1)in-line-formulae description="In-line Formulae" end="tail"?in-line-formulae description="In-line Formulae" end="lead"?90≦SDa<99, (2)in-line-formulae description="In-line Formulae" end="tail"?and an oxygen absorption rate of the resin composition is 0.01 ml/m2·day or more.
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Nakaya Masakazu
Shimo Hiroyuki
Tai Shinji
Kuraray Co. Ltd.
Yoon Tae H.
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