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| Number | Title | Issue Date |
| 8110320 | Method of making durable polymer electrolyte membranes A method of making a durable fuel cell polymer electrolyte membrane is provided comprising the steps of: a) providing a polymer electrolyte membrane; b) providing a solution of a salt selected from the group consisting of manganese salts and cerium salts or a suspen... | 02/07/2012 |
| 8063111 | Anion-conducting polymer, composition, and membrane Anion-conducing polymers and membranes with enhanced stability to aqueous alkali include a polymer backbone with attached sulfonium, phosphazenium, phosphazene, and guanidinium residues. Compositions also with enhanced stability to aqueous alkali include a support e... | 11/22/2011 |
| 8017659 | Proton conductive polymer electrolyte and fuel cell including the same A proton conductive polymer electrolyte includes an acidic functional group-containing aromatic hydrocarbon polymer and an electron donor functional group-containing compound. When used in a fuel cell, the proton conductive polymer electrolyte provides a long-term s... | 09/13/2011 |
| 8017661 | Inorganic anion exchanger composed of bismuth compound and resin composition for electronic component encapsulation using the same A bismuth compound, useful as an inorganic anion exchanger used for an encapsulating material for, e.g., semiconductors, has a peak intensity of 900 to 2000 cps at 2θ=27.9° to 28.1° and a peak intensity of 100 to 800 cps at 2θ=8.45° to 8.55° in a powder X-ray ... | 09/13/2011 |
| 8017660 | Process for dissolution of highly fluorinated ion-exchange polymers Highly fluorinated ion-exchange polymers achieve dissolution in aqueous tetrahydrofuran at lower pressures and temperatures than in other solvents, with few or no side products being formed. ... | 09/13/2011 |
| 7993792 | Polymer blocks for PEM applications Block copolymer that can be formed into an ion—Conductive membrane are provided. The block copolymer of the invention includes a first polymer block and a second polymer block attached to the first polymer block. The second polymer block has a main polymer chain a... | 08/09/2011 |
| 7947406 | Polymer electrolyte, membrane/electrode assembly, and fuel cell A polymer electrolyte having a repetitive structure represented by the following formula (1): wherein B represents a single bond or a bivalent group, A represents a bivalent aromatic group, Y represents —SO2—... | 05/24/2011 |
| 7943675 | Electrolytes for fuel cell electrodes Improved polymer-based materials are described, for example for use as an electrode binder in a fuel cell. A fuel cell according to an example of the present invention comprises a first electrode including a catalyst and an electrode binder, a second electrode, and ... | 05/17/2011 |
| 7897650 | Ionically conductive polymers for use in fuel cells An ionically conductive polymer is a copolymer including first and second polymer segments. The first polymer segments have a hydrophobic character and a high oxygen permeability. The second polymer segments have a hydrophilic character and a low oxygen permeability... | 03/01/2011 |
| 7893118 | Compositions 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... | 02/22/2011 |
| 7893117 | Ion-conducting crosslinked copolymer and fuel cell comprising the same An ion-conducting, sulfonated and crosslinked copolymer for use in a fuel cell is disclosed. The ion-conducting, sulfonated and crosslinked copolymer is made up of four monomers. The first monomer is an aromatic diol. The second monomer includes two groups, each gro... | 02/22/2011 |
| 7871736 | Polymer membrane for fuel cell, method of preparing same, and membrane-electrode assembly for fuel cell comprising same The polymer electrolyte membrane of the present invention includes polymers having a fluoroalkyl group and a proton conductive group. The present invention also provides a membrane-electrode assembly, a fuel cell system including the polymer electrolyte membrane, an... | 01/18/2011 |
| 7846980 | Anion-conducting polymer, composition, and membrane Anion-conducing polymers and membranes with enhanced stability to aqueous alkali include a polymer backbone with attached sulfonium, phosphazenium, phosphazene, and guanidinium residues. Compositions also with enhanced stability to aqueous alkali include a support e... | 12/07/2010 |
| 7781491 | Cationic exchange resin with zero-valance double metal cationic exchange resin and process thereof A process of doping zero-valance double metals into a cationic exchange resin to increase reactive activity of zero-valance metals includes providing a cationic exchange resin to contact a first metal in the form of ions to reduce the first metal which then attaches... | 08/24/2010 |
| 7732501 | Fullerene based proton conductive materials A fullerene-based proton conductor including a proton conductive functional group connected to the fullerene by an at least partially fluorinated spacer molecule. Also, a polymer including at least two of the proton conductors that are connected by a linking molecul... | 06/08/2010 |
| 7732502 | Fullerene based proton conductive materials A fullerene-based proton conductor including a proton conductive functional group connected to the fullerene by an at least partially fluorinated spacer molecule. Also, a polymer including at least two of the proton conductors that are connected by a linking molecul... | 06/08/2010 |
| 7705061 | Method 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... | 04/27/2010 |
| 7582683 | Anion-conducting polymer, composition, and membrane Anion-conducing polymers and membranes with enhanced stability to aqueous alkali include a polymer backbone with attached sulfonium, phosphazenium, phosphazene, and guanidinium residues. Compositions also with enhanced stability to aqueous alkali include a support e... | 09/01/2009 |
| 7507771 | Ion conductive copolymers containing one or more hydrophobic oligomers In one aspect, the invention provides ion conductive copolymers comprising (1) a plurality of first oligomers, (2) a plurality of second oligomers, (3) ion conductive monomers and (4) linking monomers. The oligomers preferably are hydrophobic and together with the i... | 03/24/2009 |
| 7439275 | Anion-conducting polymer, composition, and membrane Anion-conducing polymers and membranes with enhanced stability to aqueous alkali include a polymer backbone with attached sulfonium, phosphazenium, phosphazene, and guanidinium residues. Compositions also with enhanced stability to aqueous alkali include a support e... | 10/21/2008 |
| 7435495 | Liquid materials for use in electrochemical cells Disclosed is the use of liquid precursor materials to prepare a processible polymeric electrolyte, which can be used to form a proton exchange membrane for use in an electrochemical cell. Also disclosed is the use of liquid precursor materials to prepare a processib... | 10/14/2008 |
| 7429428 | Polymer electrolyte material, production method thereof and membrane electrode assembly for polymer electrolyte fuel cell The present invention provides a polymer electrolyte material comprising a polymer having a repeating unit based on an alicyclic fluoromonomer having a carbon-carbon double bond with radical polymerization reactivity, wherein either of carbon atoms at both ends of t... | 09/30/2008 |
| 7425583 | Ion exchanger A porous ion exchanger includes an open cell structure including interconnected macropores and mesopores whose average diameter is in a range of 1 to 1000 μm existing on walls of the macropores. Moreover, a total pore volume is in a range of 1 to 50 ml/g, ion excha... | 09/16/2008 |
| 7405015 | Ionomer for use in fuel cells and method of making same The reaction product of a monomer comprising phthalazinone and a phenol group, and at least one sulfonated aromatic compound. The monomer comprising phthalazinone and a phenol group is used in a reaction with the sulfonated aromatic compound to produce ionomers with... | 07/29/2008 |
| 7371480 | Silica sol composition, membrane electrode assembly with proton-exchange membrane, and fuel cell Provided are a proton-exchange membrane of which the ionic conductivity is high and the methanol crossover is low, and a fuel cell of high power that comprises the proton-exchange membrane. The proton-exchange membrane has a structure of mesogen-containing organic m... | 05/13/2008 |
| 7348089 | Membrane-electrode assembly for direct methanol type fuel cell and proton conductive membrane A membrane-electrode assembly for direct methanol type fuel cell and a proton conductive membrane for direct methanol type fuel cell are disclosed. The membrane-electrode assembly comprises a negative electrode and a positive electrode assembled via a proton conduct... | 03/25/2008 |
| 7323540 | Process for preparing microrods using liquid-liquid dispersion The invention provides a method for forming polymer microrods, the method including the steps of providing a polymer solution comprising a polymer dissolved in a first solvent; providing a dispersion medium comprising a second solvent, wherein the first solvent and ... | 01/29/2008 |
| 7294685 | Sulfonated polyphosphazene derivative and method for producing the same A polyphosphazene derivative and an aromatic ring compound are bonded to one another to obtain an intermediate product. Subsequently, anhydrous sulfuric acid is added in such an amount that the molar ratio is 2 to 8 with respect to a repeating unit of the intermedia... | 11/13/2007 |
| 7294265 | Ion adsorption module and method for water treatment An ion adsorption module comprises a container with at least an opening into which feed water flows, and an organic porous ion exchange material having a three-dimensional reticular structure filled into the container, which has a continuous pore structure comprisin... | 11/13/2007 |
| 7282153 | Method 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 |
| 7279285 | Method of reversibly disrupting a conjugate comprising a biotin compound and a biotin-binding compound The present invention relates to a method of disrupting a conjugate comprising a biotin compound and a biotin-binding compound, said method comprising the step of contacting said conjugate with an effective amount of a substantially aqueous solution under conditions... | 10/09/2007 |
| 7265159 | Monodisperse 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 |
| 7258941 | Polymer electrolyte for solid polymer type fuel cell and fuel cell A polyelectrolyte for a solid polymeric fuel cell comprising an aromatic polyether sulfone block copolymer comprising a hydrophilic segment containing sulfonic acid groups and a hydrophobic segment having no sulfonic acid group at a hydrophilic segment weight fracti... | 08/21/2007 |
| 7224050 | Plastic materials including dendrimers or hyperbranched polymers for integrated circuit packaging Integrated circuit packages and their manufacture are described, wherein the packages comprise dendrimers or hyperbranched polymers. In some implementations, the dendrimers or hyperbranched polymers include repeat units having one or more ring structures and having ... | 05/29/2007 |
| 7208243 | Proton exchange membranes using cycloaddition reaction between azide and alkyne containing components A process for making an ion-conducting polymer comprises cross-linking polymers having functional groups such as alkyne groups and azide groups. An example ion-conducting polymer has cross-links including nitrogen-containing heterocycles formed by the reaction betwe... | 04/24/2007 |
| 7198863 | Fullerene based proton conductive materials A fullerene-based proton conductor including a proton conductive functional group connected to the fullerene by an at least partially fluorinated spacer molecule. Also, a polymer including at least two of the proton conductors that are connected by a linking molecul... | 04/03/2007 |
| 7173066 | Ion exchanger A porous ion exchanger includes an open cell structure including interconnected macropores and mesopores whose average diameter is in a range of 1 to 1000 μm existing on walls of the macropores. Moreover, a total pore volume is in a range of 1 to 50 ml/g, ion excha... | 02/06/2007 |
| 7166685 | Compositions 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 |
| 7163964 | Method 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 |
| 7153608 | Ionic conductor, process for production thereof, and electrochemical device An ionic conductor, such as a proton conductor, a process for production thereof, and an electrochemical device, such as fuel cell, that includes the ionic conductor is provided. The ionic conductor of the present invention is formed from a polymer in which carbon c... | 12/26/2006 |
