0678554-A1 is referenced by 35 patents and cites 2 patents.

A copolyester having an intrinsic viscosity, measured in o-chlorophenol at 25 C, of 0.3 to 1.5 dl/g and being derived from dicarboxylic acid units composed of 95 to 60 mole % of isophthalic acid units and 5 to 40 mole % of 2,6-naphthalenedicarboxylic acid units and dihydroxy compound units composed of 95 to 70 mole % of ethylene glycol units and 5 to 30 mole % of 1,3-bis(2-hydroxyethoxy)benzene units; a gas barrier imparting agent composed of the copolyester: a polyester composition composed of (A) a polyethylene terephthlate and (B) the copolyester; and a film, a preform and a container composed of the polyester composition.; Also provided are a polyester laminated structure, a stretched laminated structure, a preform and a laminated blow-molded article each composed of (C) a polyalkylene terephthalate layer and (D) a copolyester layer composed of the copolyester or the polyester composition.

Title
Copolyester, polyester composition containing the copolyester, and polyester laminated structure having layer composed of the copolyester or the polyester composition.
Application Number
EP19950109612 19891108
Publication Number
0678554 (A1)
Application Date
November 8, 1989
Publication Date
October 25, 1995
Inventor
Kaneshige Norio C O Mitsui Pet
JP
Hashimoto Mikio C O Mitsui Pet
JP
Assignee
Mitsui Petrochemical
JP
IPC
C08L 67/00
C08L 67/02
C08J 05/18
B65D 65/38
B32B 27/36
C08L 67/02
C08L 67/00
B32B 27/36
B29C 49/00
C08L 67/02
B32B 27/36
B29C 49/00
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