Patent ID: 6802994
Filing Date: 2004-10-12
Classification: A62D,C05D,C05G,C09K,C23F

Abstract:
A corrosion-inhibited fire retardant composition comprising:at least one fire retardant composition comprising at least one ammonium polyphosphate; at least one suspending agent; and a corrosion inhibiting system comprising at least one corrosion inhibiting compound selected from the group of corrosion inhibiting compounds consisting of an azole selected from the group consisting of tolytriazole, benzotriazole, 1,2 benzisothiazoline-3-1, 2-benzimidazolone, 4,5,6,7-tetrahydrobenzotriazole, tolylimidazole, 2-(5ethyl-2-pyridyl) benzimidazole, phthalimide, any alkali metal salts thereof and combinations thereof, ferric pyrophosphate, ferrous oxalate, ferric citrate, ferrous sulfate, ferric ammonium citrate, ferric orthophosphate, ferric ammonium oxalate, ferric ammonium sulfate, ferric bromide, ferric sodium oxalate, ferric stearate, ferric sulfate, ferrous acetate, ferrous ammonium sulfate, ferrous bromide, ferrous gluconate, ferrous iodide, ferric acetate, ferric fluoroborate, ferric hydroxide, ferric oleate, ferrous fumarate, ferrous oxide, ferric lactate, ferric resinate, and any combination thereof; wherein said corrosion inhibiting system is present in a minor amount effective to substantially reduce corrosiveness of said fire retardant composition.