Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
December 1, 2009
Patent Application Number
10544068
Date Filed
January 28, 2004
Patent Primary Examiner
Patent abstract
Generally, systems for air and water purification using unpowered charged sorbent mediums (3) which may include layered double hydroxide (LDH) (1) compositions, lignin (2), and methods of sorbing inorganic or organic material(s) onto such mediums, including anionic contaminants (10), cationic contaminants (11), non-ionic organic contaminants (20), and even biological agents (7) such as bacteria or viruses present in liquids or gases.
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