Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
John Gavin MacDonald0
Kevin P. McGrath0
Bao Trong Do0
Date of Patent
March 16, 2010
Patent Application Number
10686939
Date Filed
October 16, 2003
Patent Primary Examiner
Patent abstract
A method for reducing odor is provided. In one embodiment, the method comprises forming a coordination complex between particles having a positive zeta potential and a transition metal. The method further comprises contacting the coordination complex with an odorous compound, the transition metal providing one or more active sites for capturing the odorous compound. For example, in one embodiment, the particles are formed from alumina-coated silica. In addition, the coordination complex may be formed using a bifunctional chelating agent.
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