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Class 521/28 - Previously formed solid ion-exchange polymer admixed with nonreactive material or ion-exchange polymer


Subclass of Class 521 - Synthetic resins or natural rubbers -- part of the class 520 series
Definition: Subject matter wherein a previously formed solid ion-exchange
No. of patents: 308
Last issue date: 03/13/2012


1                
NumberTitleIssue Date
8133928Method for decanting preconditioned ion-exchange resin suspensions
A process for the storage or transportation of pretreated, conditioned ion exchangers as catalysts for chemical reactions is disclosed. The preconditioned ion-exchange resin is kept as preconditioned ion-exchange resin suspension in a storage or transporting contain...
03/13/2012
8129069Fuel cell components including immobilized heteropolyacids
A fuel cell component is made with a composite including a proton conducting polymer, a water insoluble proton conducting inorganic material, and a heteropolyacid immobilized by chemically bonding to the inorganic material. In another embodiment, the fuel cell compo...
03/06/2012
7989513Process for producing dispersions of highly fluorinated polymers
A process for producing a dispersion of a highly fluorinated ion exchange polymer is provided in which a dispersion of a highly fluorinated ion exchange polymer in a first liquid that includes at least 10 wt % of an organic liquid is atomized and released into a hea...
08/02/2011
7973091Process for producing re-dispersable particles of highly fluorinated polymer
A process for producing flowable and liquid dispersable particles of a highly fluorinated ion exchange polymer is provided in which a dispersion of a highly fluorinated ion exchange polymer in a liquid comprised of at least 10 wt % of an organic liquid is provided, ...
07/05/2011
7714028Compositions containing particles of highly fluorinated ion exchange polymer
Solid and liquid compositions containing particles of highly fluorinated ion-exchange polymer having sulfonate functional groups with an ion exchange ratio of less than about 33. The compositions contain at least about 25% by weight of polymer particles having a par...
05/11/2010
7709542Proton-exchange composite containing nanoparticles having outer oligomeric ionomer, and methods of forming
A proton-exchange composite includes a polymer matrix formed from a proton-exchange polymer and ionomer particles distributed therein. The polymer has side chains with ionic groups. The particles have an average particle size of less than 20 nm and include an oligom...
05/04/2010
7521484Mixed bed ion exchange resins
The present invention relates to a non-agglomerating, readily separable mixed bed ion exchange system comprising: (a) a strong base quaternary ammonium anion exchange resin wherein said anion exchange resin has been pretreated with...
04/21/2009
7361209Apparatus and process for preparing sorbents for mercury control at the point of use
A system for treating a contaminated gas stream is provided that includes a comminution device 204 operable to effect size reduction of a plurality of sorbent particles and form a plurality of comminuted particles, a plurality of nozzles 224 distribute...
04/22/2008
7326346High capacity regenerable sorbent for removal of arsenic and other toxic ions from drinking water
The present invention is directed to a sorbent comprising a disordered polyvalent metal oxide on the surface of an inert substrate. The substrate can be a layered silicate, such as vermiculite, an aluminosilicate such as montmorillonite, or a nonlayered silicate suc...
02/05/2008
7314606Recovery of sodium thiocyanate from industrial process solution using nanofiltration technique
The present invention relates to a membrane-based nanofiltration process for separating sodium thiocyanate (NaSCN) from industrial solution containing impurities such as β-sulfopropionic acid, β-sulfopropionitrile, sodium sulfate and salts of iron and calcium in a...
01/01/2008
7309676Remover for heavy metals contained in water
A removing agent for heavy metal ion in water which comprises synthetic zeolite, wherein 10 mol % or more of a total amount of exchangeable cation is substituted with magnesium ion and 60 mol % or more thereof is substituted with magnesium ion and calcium ion, and a...
12/18/2007
7307138Polymer electrolytes and process for their preparation
A sulfonated aromatic polyether ketone of the formula (II) [Ar—O—Ar′—CO—Ar′—O—Ar—CO—Ar″—CO—]   (II) in which from 1% to 100% of the O-phenylene-CO units are substituted with an SO3M group and sulfonated an...
12/11/2007
7307127Highly sulfonated block copolymer hydrogels and uses thereof
A block copolymer composition AB is provided that has pendent groups —RZ extending from the A copolymer on at least 70 mol % of the A monomers, where R and Z are each an ionic species. The composition is included in a semipermeable membrane for use in a direct met...
12/11/2007
7303671Ion exchange particle-bound flow-through porous monolith
A flow-through ion exchange medium comprising a monolithic stationary phase having interconnecting pores defined by pore walls, and fine ion exchange polymeric layering particles irreversibly bound directly or indirectly to the pore walls, and methods of making such...
12/04/2007
7303683Microorganism-removing filter medium having high isoelectric material and low melt index binder
A filter medium capable of removing microorganisms from a fluid such as water. The filter medium includes particles of activated carbon, particles of a substantially insoluble inorganic material having an isoelectric point greater than the fluid being filtered. A lo...
12/04/2007
7300585Method of treatment of effluent stream
A method for treating an effluent stream containing material which it is desired to remove from the effluent stream comprises treating the effluent stream with a solution of an acid and a first polymer to reduce the pH of the thus-treated stream to a range of about ...
11/27/2007
7291395Coated ion exchanged substrate and method of forming
A method for making an ion exchange coating (e.g., a chromatographic medium) on a substrate comprising (a) reacting at least a first amine compound comprising amino groups, with at least a first polyfunctional compound, in the presence of a substrate to form a first...
11/06/2007
7282153Method for removal of arsenic from water
A method for removing arsenic from water by contacting water with a strong base anion exchange resin comprising at least one metal ion or metal-containing ion whose arsenate salt has a Ksp no greater than 10−5, provided that the metal is not ...
10/16/2007
7279244Fuel cell, polyelectrolyte and ion-exchange resin use for same
The object of this invention is to provide a solid polymer electrolyte which is excellent in durability and of low cost, and membranes, solutions for electrode catalyst coating, membrane/electrode assemblies and fuel cells which use the electrolyte. According to thi...
10/09/2007
7265159Monodisperse anion exchangers
Process for preparing monodisperse weakly basic or optionally strongly basic anion exchangers of the poly(meth)acrylamide type, the ion exchangers themselves and their use. ...
09/04/2007
7261875Dendritic poly (amino acid) carriers and methods of use
The present invention concerns a design for dendritic poly(amino acid) polymer carriers, also known as nonlinear polymers, and their applications. These dendritic poly(amino acid) carriers have multiple functional groups at the polymer surface. In addition, they hav...
08/28/2007
7232520Ion exchange porous resins for solid phase extraction and chromatography
Embodiments of the present invention are directed to porous resins for solid phase extractions. The resins feature at least one hydrophobic component, at least one hydrophilic component and at least one ion exchange functional group. The resins exhibit superior wett...
06/19/2007
7229604Ethylenedicysteine (EC)-drug conjugates, compositions and methods for tissue specific disease imaging
The invention provides, in a general sense, a new labeling strategy employing 99mTc chelated with ethylenedicysteine (EC). EC is conjugated with a variety of ligands and chelated to 99mTc for use as an imaging agent for tissue-specific diseases...
06/12/2007
7228656Fishing lure device and associated method of manufacture
A fishing lure assembly and the method of making a unique fill composition that causes attractant scent compounds to be dispensed from the fishing lure assembly. The fishing lure assembly has a body that can retain a volume of fill composition. The fill composition ...
06/12/2007
7223380Ethylenedicysteine (EC)-drug conjugates, compositions and methods for tissue specific disease imaging
The invention provides, in a general sense, a new labeling strategy employing 99mTc chelated with ethylenedicysteine (EC). EC is conjugated with a variety of ligands and chelated to 99mTc for use as an imaging agent for tissue-specific diseases...
05/29/2007
7195835Proton conducting membrane for fuel cells
An ion conducting membrane comprising dendrimeric polymers covalently linked into a network structure. The dendrimeric polymers have acid functional terminal groups and may be covalently linked via linking compounds, cross-coupling reactions, or copolymerization rea...
03/27/2007
7192744Targeted transfection of cells using a biotinylated dendrimer
The present invention relates to processes for the targeted transfection of cells, compositions which may be used for such processes, and corresponding pharmaceutical compositions for gene therapy. In particular, the invention relates to a process for introducing nu...
03/20/2007
7183235High capacity regenerable sorbent for removing arsenic and other toxic ions from drinking water
The present invention is directed to a sorbent comprising a disordered polyvalent metal oxide on the surface of an inert substrate. The substrate can be a layered silicate, such as vermiculite, an aluminosilicate such as montmorillonite, or a nonlayered silicate suc...
02/27/2007
7166685Compositions containing particles of highly fluorinated ion exchange polymer
Solid and liquid compositions containing particles of highly fluorinated ion-exchange polymer having sulfonate functional groups with an ion exchange ratio of less than about 33. The compositions contain at least about 25% by weight of polymer particles having a par...
01/23/2007
7163964Method for preparing an ion exchange media
This invention presents an ion exchange media including a plurality of cation exchange zones and anion exchange zones in flow paths that are contained in a substantially nonporous resin transport framework. During electrodeionization and other potential applications...
01/16/2007
7160926Ion exchange fluorocarbon resin membrane
An ion exchange fluorocarbon resin membrane having a storage modulus (JIS K-7244), when substituted with tributyl ammonium ions, at a temperature of not less than Tc represented by the following general equations (1-1) to (1-3) of 0.8×106 Pa or more, and...
01/09/2007
7157120Method for treating wood having a high extractive content
A method for treating wood having a high extractive content is disclosed. The method generally comprises applying to the wood a coating comprising a water-based polyurethane dispersion and a crosslinker. The dispersion can be cured and one or more additional coating...
01/02/2007
7151139Antimicrobial polymeric surfaces
Bactericidal compositions are disclosed that comprise a polymeric compound immobilized on a material. Medical devices are also disclosed which comprise such a bactericidal composition. Methods are disclosed for covalently derivatizing the surfaces of common material...
12/19/2006
7138199Fuel cell and fuel cell coolant compositions
This invention is directed to coolant compositions, particularly coolant compositions useful in fuel cells, and to fuel cells containing such coolant compositions. The coolant compositions or heat transfer fluids of this invention have and retain low electrical cond...
11/21/2006
7094369Processes for manufacturing polymeric microspheres
Processes of manufacturing polymeric microspheres facilitate the generation of polymeric microspheres of size ranges smaller than 600 microns diameter by forming beads of a predetermined size from a starting material which may include a template polymer, and subsequ...
08/22/2006
7077964Process for preparing monodisperse ion exchangers having chelating functional
The present invention relates to a process for preparing novel, monodisperse ion exchangers having chelating functional groups, and their use for adsorbing metal compounds, in particular, heavy metal compounds and noble metal compounds, and also for extracting alkal...
07/18/2006
7071240Carboxylic cationites and methods of manufacture
A method for preparing synthetic polymerized resins for ion exchange, namely, carboxylic cationites, which are suitable as sorbents for preparative separation and purification of biologically active compounds by low pressure liquid chromatography (LPLC). The directi...
07/04/2006
7067111Ethylenedicysteine (EC)-drug conjugates, compositions and methods for tissue specific disease imaging
The invention provides, in a general sense, a new labeling strategy employing 99mTc chelated with ethylenedicysteine (EC). EC is conjugated with a variety of ligands and chelated to 99mTc for use as an imaging agent for tissue-specific diseases...
06/27/2006
7055566Light weight rubber composition containing clay
This invention relates to a tire which is comprised of a generally toroidal-shaped carcass with an outer circumferential tread, two spaced beads, at least one ply extending from bead to bead and sidewalls extending radially from and connecting said tread to said bea...
06/06/2006
7053129Process for preparing monodisperse anion exchangers
The present invention relates to a process for preparing novel, monodisperse anion exchangers by (a) reacting monomer droplets made from monovinylaromatic compounds and polyvinylaromatic compounds, and optional porogens and/or initiators, (...
05/30/2006
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