Oblon, Spivak, McClelland, Maier & Neustadt
Adhesive in preparation of laminates
 In the manufacture of a 2-ply sheet of the type which includes on one surface thereof a self-healing polymeric material and on the other surface an adhesive polymeric material capable of adhering at elevated temperatures to a glass or plastic surface, the improvement comprising forming said adhesive polymeric material from a blocked polyurethane or a water soluble or water dispersible polyurethane, and preferably from a polyurethane that has blocked NCO groups and is water soluble or water dispersible. 
Saint-Gobain Vitrage
Gerard Philippe
Daude Girard