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Patent Portfolio
Currently published Intellectual Property patents include:
US Patent No. 6,780,323, issued August 24th, 2004 for "Polymer Based Permeable Membrane for Removal of Ions" - This patent des
cribes the preparation of an imprinted polymer membrane forfacilitated transport of a specific chemical species. The examples were phosphate, nitrate and iron. The other membrane disclosures were collected into the application and the extension below.
US Patent application No. 10/924,666 filed January 27th, 2005, publication no. 2005-0019302 published January 27th, 2005, for "Polymer Based Permeable Membrane for Removal of Ions" - This application is an extension to the above patent. These above listed issued patents and published patent applications contain the following Johns Hopkins Laboratory Files:
No. 1734-SPL: "Polymer Based Permeable Membrane for Removal of Ions" - The disclosure involving the removal of iron.
No. 1744-SPL: "Environmental Phosphate Pollution Removal Using a Selectively Permeable Molecular Imprinted Polymer Membrane" - The disclosure involving the removal of phosphate.
No. 1745-SPL: "Environmental Nitrate Pollution Removal Using a Selectively Permeable Molecularly Imprinted Polymer Membrane" - The disclosure involving the removal of nitrate.
US Patent application No. 11/127897 filed May 12th, 2005, (The Johns Hopkins Laboratory file no. 2122-1331) "Process for preparing Vinyl Substituted Beta-Diketones" - This provisional patent describes the synthesis of polymerizable ligands for removing metals from water, but not actually providing in what polymeric form the MIP would be contained, except for the first description a molecularly imprinted polymer (MIP) porous bead for the removal of copper from water.
US provisional application No. 60/736376, filed November 14th, 2005 (The Johns Hopkins Laboratory file no. 2292-SPL) "The Preparation of Molecularly Imprinted Polymer Ion-exchange Resin Beads and Their Use as Sequestering Agents for Toxic or Economically Useful Ions" - This provisional patent covers the formation of molecularly imprinted polymer (MIP) porous beads that are capable of removing inorganic ions from liquids. The provisional patent fleshes out the original claim from the previous patent covering the synthesis of useful b-diketone ligands. The beads are large to encourage high flow rates but also have large surface areas to quickly capture large amounts of ions, which range from main group anions and oxyanions to rare earth cations, and transion metal cations, anions, and oxyanions.
US Patent Application No. 11/520,448 filed September 12th, 2006 Molecularly Imprinted Polymers for the selective removal of target compounds from liquids. This patent expands upon the conditions needed to form effective MIP beads, favorable ligands for MIP bead formation, and target compound/ligand interaction under suspension polymerization conditions.
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