PEMEAS GMBH

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C08G MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 8112
 
  
 
C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 5111
 
  
 
H01M PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY 4150
 
  
 
B01D SEPARATION 3131
 
  
 
C08J WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER- TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C C08F, C08G or C08H 375
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM2155
 
  
 
C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 2123
 
  
 
C08K USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS 1101
 
  
 
C25B ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON- METALS; APPARATUS THEREFOR 134
 
  
 
C25C PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR 118

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7696302 High-molecular-weight polyazolesDec 02, 03Apr 13, 10[C08G]
7229553 Method for producing a membrane made of bridged polymer and a fuel cellMar 01, 02Jun 12, 07[B01D]
6197147 Process for continuous production of membrane-electrode compositesApr 05, 99Mar 06, 01[B32B]
6165636 Composition of a selective oxidation catalyst for use in fuel cellsMar 17, 99Dec 26, 00[H01M]
5945233 Process for producing polybenzimidazole pastes and gels for use in fuel cellsJul 16, 97Aug 31, 99[H01M]
5853911 Electrochemical cellMar 13, 97Dec 29, 98[H01M]
5834566 Homogeneous polymer alloys based on sulfonated aromatic polyetherkeytonesJun 30, 97Nov 10, 98[C08L, B01D]
5741408 Polymer electrolyte membrane for use in fuel cells and electrolysis cellsMay 19, 95Apr 21, 98[C25C, C25B]
5599639 Acid-modified polybenzimidazole fuel cell elementsOct 27, 95Feb 04, 97[H01M]
5561202 Polymer electrolyte membrane, and process for the production thereofMay 19, 95Oct 01, 96[C08G, C08F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2008/0305,946 Platinum Alloy Carbon-Supported CatalystsAbandonedNov 28, 05Dec 11, 08[B01J]
2008/0254,342 Gas Diffusion Electrodes, Membrane-Electrode Assemblies and Method for the Production ThereofAbandonedApr 13, 06Oct 16, 08[H01M, H01B]
7396615 Method for production of polyelectrolyte membranes and fuel cellExpiredDec 11, 99Jul 08, 08[H01M]
2007/0281,204 Membrane Electrode Assemblies and Highly Durable Fuel CellsAbandonedJul 21, 05Dec 06, 07[H01M]
2007/0202,415 Proton-Conducting Polymer Membrane Comprising At Least One Porous Carrier Material, And Use Thereof In Fuel CellsAbandonedSep 04, 04Aug 30, 07[H01M]
2007/0203,252 Anisotropic Shaped Bodies, Method For The Production And Utilization Of Anisotropic Shaped BodiesAbandonedMay 13, 05Aug 30, 07[C08J, H01M]
7244811 Method for the treatment of polyazole filmsExpiredJul 25, 03Jul 17, 07[C08F]
2007/0055,045 Proton-conducting polymer membrane containing polymers with sulfonic acid groups that are covalently bonded to aromatic groups, membrane electrode unit, and use thereof in fuel cellsAbandonedSep 04, 04Mar 08, 07[C08G]
2006/0166,067 Polymer electrolyte membrane, method for the production thereof, and application thereof in fuel cellsAbandonedMay 12, 03Jul 27, 06[C08J, H01M]
2006/0116,285 Platinum alloy carbon-supported catalystsAbandonedAug 05, 05Jun 01, 06[H01M, B01J]
6998464 Method for producing a solution consisting of a polymer containing recurrent azole units, solutions produced according to said method and use of the sameExpiredOct 20, 01Feb 14, 06[C08G]
6994788 Sulfonated aromatic polymers, membrane containing said polymers and a method for production and use of the sameExpiredMar 01, 00Feb 07, 06[B01D]
2006/0022,081 Cartridge and method for handling thin film membranesAbandonedJul 30, 04Feb 02, 06[B65H]
2005/0281,981 Fixtures and methods for facilitating the fabrication of devices having thin film materialsAbandonedFeb 25, 05Dec 22, 05[B32B]
6914084 Membranes containing sulfonated polyetherketone and another polymer, method for the production and use thereofExpiredSep 18, 99Jul 05, 05[C08J]
6878803 Method for nitrating and aminating an aryl polymerExpiredJan 13, 03Apr 12, 05[C08G, C08F]
6869980 Polymer blend membranes for use in fuel cellsExpiredJan 03, 03Mar 22, 05[B01D]
6852440 Fuel cell with improved long term performance, method for operating a PME fuel cell and PME fuel cell batteryExpiredJul 24, 01Feb 08, 05[H01M]
2004/0262,227 Polyazole-based polymer filmsAbandonedAug 05, 04Dec 30, 04[B01D]
2004/0247,974 Polymer membrane, method for the production and use thereofAbandonedJun 21, 04Dec 09, 04[C08J, H01M]

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