Patents                           

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U. S. Patent 6,218,351 Bleach Compositions

U. S. Patent 6,387,862 Bleach Compositions

U. S. Patent 6,608,015 Bleach Compositions

U. S. Patent 6,656,450 Macrocyclic magnetic resonance imaging contrast agents

U. S. Patent 6,906,189 Catalysts and methods for catalytic oxidation

U. S. Patent 7,125,832 Bleach Compositions