this invention concerns an improved method for fabricating transparent laminated polarizing glasses consisting of a substrate of inorganic or organic glass , a coating of polarizing properties deposited upon one surface of the substrate , and an integral , optically transparent composite film consisting , on the one hand , of one lamina of thermoplastic polyurethane of adhesive properties , and , on the other hand , of one lamina of thermosetting polyurethane of anti - lacerative and self - regenerating properties ; the thermoplastic polyurethane ply adhering to the polarizing coating . the method comprises applying the polarizing coating to the substrate , then treating at least the coated surface of the substrate with a aqueous solution containing γ - aminopropyltrimethoxysilane or γ - aminopropyltriethoxysilane , and thereafter applying said composite film .