• US 8,114,210 B2
  • Filed: 08/01/2008
  • Issued: 02/14/2012
  • Est. Priority Date: 08/03/2007
  • Status: Active Grant
First Claim
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1. A substantially formaldehyde free binder solution consisting essentially of a solution obtainable by dissolvinga reducing sugar, andat least 2.5% by dry weight with respect to the reducing sugar of a material selected from the group consisting of ammonium sulphate salts, ammonium phosphate salts, ammonium nitrate salts, ammonium carbonate salts, and combinations thereofin water.

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