Smith, Gambrell & Russell, LLP
Composite sheet for food container
 Provided is a composite sheet for food containers which comprises (A) an aroma proof resin layer comprising a saturated polyester resin, a polycarbonate resin and a copolymer comprising three components of bisphenol A, diphenyl carbonate and 1,10-decanedicarboxylic acid or a mixture of at least two of these three resins, (B) a polyamide resin layer, (C) a water vapor barrier resin layer, (D) a gas barrier resin layer and (E) a thermoplastic support resin layer, these layers being laminated in succession in order of A-B-C-D-E. This composite sheet for food container has remarkable aroma proof and low-temperature impact resistance with having the performances of synthetic resin containers having gas barrier properties and capable of being subjected to high-temperature sterilization. 
Sumitomo Bakelite Company Limited
B Y B B Y Y Y Y Y Y B B B Y Y B Y Y B
B32B Y10T B32B B32B Y10T Y10T Y10T Y10T Y10T Y10T B32B B32B B32B Y10T Y10T B32B Y10T Y10T B32B
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Kazuo Masaharu
Tajiri Saito