Window envelopes with optical character readable window film patches

A window envelope that includes a window patch formed from a low gloss polymer film based upon a rubber-modified vinyl aromatic polymer or a blend of a rubber- modified vinyl aromatic polymer and a vinyl aromatic polymer. The film may be a monolayer film or an external layer of a multilayer film. Th...

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Bibliographische Detailangaben
Hauptverfasser: LAMBERT, CHRSITNA A, GABELNICK, AARON M, HAHN, STEPHEN F, ZHOU, WEIJUN, PATEL, RAJEN M, LAFOLLETTE, WILLIAM R
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A window envelope that includes a window patch formed from a low gloss polymer film based upon a rubber-modified vinyl aromatic polymer or a blend of a rubber- modified vinyl aromatic polymer and a vinyl aromatic polymer. The film may be a monolayer film or an external layer of a multilayer film. The film optionally includes an inorganic coating applied to either surface of the film where the film is a monolayer film or to an outermost surface of the film where the film is an external layer of a multilayer film. When an inorganic coating is applied to a film surface, the film need not include a rubber- modified vinyl aromatic polymer and may be based solely upon a vinyl aromatic polymer.