摘要：

Patented Oct. 2, 1956 United States Patent ()fiice LAMINATED STRUCTURES AND METHOD OF MAKING SAME Lucille E. Williams, Wilmington, Del., assignor to E. I. du Pont de Nemours and Company, Wilmington, Del., a corporation of Delaware N Drawing. Application August 31, 1954, Serial No. 453,440 11 Claims. (Cl. 154-139) This invention relates to laminated structures, more particularly to such structures comprising laminae of a h ydrophobic layer adhered to a polymeric linear terephthalate ester layer by means of a copolyester layer, and processes of making such structures.

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