04883706 is referenced by 22 patents and cites 7 patents.

Thick, composite polyester films, well adapted as base films, e.g., for the graphic arts, are comprised of a crystalline or semicrystalline polyester film substrate (A) having a thickness of at least 40 micrometers, said film substrate (A) having a coating, e.g., a coextrudate, of a sulfonated copolyester adhesion primer on at least one of the face surfaces thereof, and said sulfonated copolyester comprising at least 80 mol % of terephthalate recurring units and from 3 to 10 mol % of oxysulfonylate recurring units.

Title
Thick composite polyester films
Application Number
7/137067
Publication Number
4883706
Application Date
December 23, 1987
Publication Date
November 28, 1989
Inventor
Pierre Grosjean
Sainte Foy les Lyon
FR
Agent
Burns Doane Swecker & Mathis
Assignee
Rhone Poulenc Films
FR
IPC
B32B 27/08
B32B 7/02
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