A multilayer structure has barrier properties for gases and vapors, for example oxygen and water vapor; the structure comprises: an organic substrate layer, and a multilayer permeation barrier thereon; the barrier comprises: a) a first inorganic coating contacting a surface of the substrate layer, and...http://www.google.fr/patents/US20040195960?utm_source=gb-gplus-shareBrevet US20040195960 - Coatings with low permeation of gases and vapors
Numéro de demande: 10/487,181 Numéro de publication: US 2004/0195960 A1 Date de dépôt: 18 févr. 2004 Brevet délivré: US7074501 ( Date de délivrance 11 juil. 2006)
