Patent application number | Description | Published |
20080233271 | Layered Structures And Method For Producing The Same - A method for producing membranes and membrane electrode units by laying thin film layers on a porous carrier substrate. The layers are applied using only one of several production methods, but have different functional properties. These membranes and membrane electrode units may be used to generate energy by electrochemical or photochemical processes, particularly applicable in fuel cells. | 09-25-2008 |
20080308491 | Electrolyte - The invention relates to membranes made from polybenzimidazole, doped with low-molecular-weight phosphonic acids and optionally with phosphoric acids. Membranes, doped with phosphoric acid and an aminophosphonic acid have an increased proton conductivity with relation to doping with only one of the components. | 12-18-2008 |
20090220843 | PHOSPHONIC ACID-CONTAINING BLENDS AND PHOSPHONIC ACID-CONTAINING POLYMERS - The invention relates to blends and blend membranes from low-molecular hydroxymethylene-oligo-phosphonic acids R—C(PO | 09-03-2009 |
20090221759 | Oligomers And Polymers Containing Sulfinate Groups And Method For The Production Thereof - The invention relates to novel polymers or oligomers containing at least sulfinate groups (P-(SO2)nX, X=1-(n=1), 2-(n=2) or 3-(n=3) valent metal cation or H+ or ammonium ion NR4+ where R=alkyl, aryl, H), which are obtained by completely or partially reducing polymers or oligomers containing at least SO2Y-groups (Y═F, Cl, Br, I, OR, NR2 (R=alkyl and/or aryl and/or H), N-imidazolyL N-pyrazolyl) by means of suitable reducing agents in a suspension or in a solution form | 09-03-2009 |
20090221787 | Production Of Monomer, Oligomer And Polymer Phosphonic Acid Esters And Phosphonic And Sulphonic Acids By A Nucleophile Aromatic Substitution - The invention relates to producing monomer, oligomer and polymer non-fluorinated, partially fluorinated or perfluorinated sulphonic acids by reacting halogenated, low-molecular weight, oligomer or macromolecular arenes with (hydrogen) sulphites, dithionites, sulphides or other reducing sulfur salts, possibly by oxidising sulphur-containing arene intermediates which are formed at a sulphur oxidation degree less than +6 by means of appropriate oxidation agents with formation of corresponding sulphonate functional groups (sulphonic acid, sulfohalogenide, sulphonamide and sulphonic acid ester groups). The invention also relates to a method for producing monomer, oligomer or polymer non-halogenated, partially halogenated or perhalogenated phosphonic acid esters and the derivatives thereof (for example, a free phosphonic acid or a phosphonic acid salt) by a nucleophile aromatic substitution (Michaelis-Becker-reaktion, complete or partial substitution of halogenide functional groups by phosphate functional groups (phosphonic acid esters, phosphonic acid amides, phosphonic acids, phosphonic acid salts, phosphonic acid halogenides). Said invention also relates to a method for producing polymer or ionomer non-halogenated, partially halogenated or perhalogenated containing (CF | 09-03-2009 |
20100047655 | ELECTROLYTE CONTAINING PHOSPHONIC ACID - A method is disclosed for production of solutions of aminophosphonic acids and polymeric sulphonic acids in aprotic solvents. Membranes for membrane methodologies are produced from said solutions. Said membranes can also be doped with phosphoric acid. | 02-25-2010 |
20100081783 | Functionalized Main Chain Polymers - A non crosslinked, covalently crosslinked and/or ionically crosslinked polymer, having repeating units of the general formula (1) | 04-01-2010 |
20100092833 | COMPOSITES AND COMPOSITE MEMBRANES - The invention relates to a composite or a composite membrane consisting of an ionomer and of an inorganic optionally functionalized phyllosilicate. The isomer can be: (a) a cation exchange polymer; (b) an anion exchange polymer; (c) a polymer containing both anion exchanger groupings as well as cation exchanger groupings on the polymer chain; or (d) a blend consisting of (a) and (b), whereby the mixture ratio can range from 100% (a) to 100% (b). The blend can be ionically and even covalently cross-linked. The inorganic constituents can be selected from the group consisting of phyllosilicates or tectosilicates. | 04-15-2010 |
20100151352 | Composites and Composite Membranes - The invention relates to the following types of composite membranes; composites or composite membranes obtained by adding a metal salt, e.g. from ZrOCl | 06-17-2010 |
20110104367 | LAYER STRUCTURES AND METHOD TO THEIR PRODUCTION - A method for producing membranes and membrane electrode units by laying thin film layers on a porous carrier substrate. The layers are applied using only one of several production methods, but have different functional properties. These membranes and membrane electrode units may be used to generate energy by electrochemical or photochemical processes, particularly applicable in fuel cells. | 05-05-2011 |
20120004330 | FUNCTIONALIZED MAIN CHAIN POLYMERS - A non crosslinked, covalently crosslinked and/or ionically crosslinked polymer, having repeating units of the general formula (1) | 01-05-2012 |
20140155502 | FUNCTIONALIZED MAIN CHAIN POLYMERS - A non crosslinked, covalently crosslinked and/or conically crosslinked polymer, having repeating units of the general formula (1) | 06-05-2014 |
20140213672 | PHOSPHONIC ACID-CONTAINING BLENDS AND PHOSPHONIC ACID-CONTAINING POLYMERS - The invention relates to blends and blend membranes from low-molecular hydroxymethylene-oligo-phosphonic acids R—C(PO | 07-31-2014 |
20150064609 | IONOMERS WITH IONIC GROUPS IN THE SIDE CHAIN - Ionomers and ionomer membranes, consisting of a non-fluorinated or partly fluorinated non-, partly or fully-aromatic main chain and a non- or partly-fluorinated side chain with ionic groups or their non-ionic precursors, have a positive impact on the proton conductivity of the ionomers. Various processes produce these polymeric proton conductors. | 03-05-2015 |