Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
David William Holden0
John Richard Holland0
Karikath Sukumar Varma0
Date of Patent
October 16, 2007
0Patent Application Number
111469250
Date Filed
June 7, 2005
0Patent Primary Examiner
Patent 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.
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