Fire resistant glazings

Details Fire resistant glazings Fire resistant glazings

2007-10-16

2007-10-16

Green, Anthony J. (Department: 1755)

Compositions: coating or plastic

Coating or plastic compositions

Alkali metal silicate containing

C106S287100, C106S287190

Reexamination Certificate

active

11146925

ABSTRACT:
Novel waterglass compositions comprise a zirconium containing anionic aggregate, preferably potassium zirconium carbonate or ammonium zirconium carbonate, in a quantity sufficient to provide at least 0.5% as zirconium metal. The compositions can be dried and/or gelled to form optically clear interlayers useful in the production of fire resistant glass laminates. The incorporation of the zirconium containing aggregate improves the fire resistant performance of the laminates.

REFERENCES:
patent: 4294627 (1981-10-01), Heyes
patent: 5086149 (1992-02-01), Baron et al.
patent: 5766770 (1998-06-01), Nolte et al.
patent: 51-69519 (1976-06-01), None
patent: 5-117043 (1993-05-01), None

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