B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
B32B17/08—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of cellulosic plastic substance or gelatin
Procede pour l'integration d'une substance photochromique a un substrat de base translucide en matiere organique, et substrat de base transparent en particulier, lentille ophtalmique, ainsi traite