Insulating glazing unit for an opening leaf of a...

Static structures (e.g. – buildings) – Composite prefabricated panel including adjunctive means – Sandwich or hollow with sheet-like facing members

Reexamination Certificate

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Details

C052S786110, C052S786130

Reexamination Certificate

active

07870704

ABSTRACT:
The invention concerns an insulating glazing wherein the gap between the substrates is filled with at least one rare gas such as argon, krypton or xenon, the inter-layer sheet (50) has a thermal conductivity less than 1 W/m.K, preferably less than 0.3 W/m.K, a low-emissive coating being deposited on at least part of one of the substrates, an anti-frost coating being deposited on part of at least the outer surface of one substrate, the glazing being free of heating element, the glazing having a thermal conductivity coefficient U less than 1.2 W/m.K with a gas filling of at least 85%, and having a light transmission of at least 67% and a light reflection less than 18%.

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Hussman, “Always Clear,” Mar. 2004.
Mar. 21, 2005 letter to attorney prosecuting U.S. Appl. No. 10/341,525; Information material to the patentability of claims 90-124 of U.S. Appl. No. 10/341,525.

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