DE NORA ELETTRODI S.P.A.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C25C PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR 514
 
  
 
C25B ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON- METALS; APPARATUS THEREFOR 332
 
  
 
C25D PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING 249
 
  
 
H01M PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY 2152
 
  
 
H04M TELEPHONIC COMMUNICATION 1162

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8460841 Gas diffusion electrodes, membrane-electrode assemblies and method for the production thereofJun 30, 06Jun 11, 13[B05D, H01M]
7785454 Gas diffusion electrodes, membrane-electrode assemblies and method for the production thereofMay 23, 08Aug 31, 10[C25B]
7144652 Membrane-electrode assembly for polymeric membrane fuel cellOct 22, 01Dec 05, 06[H01M]
7074306 Electrocatalytic composition for oxygen-depolarized cathodeFeb 28, 02Jul 11, 06[C25D]
7033479 Electrolytic cells with renewable electrodes structures and method for substituting the sameOct 30, 01Apr 25, 06[C25C]
6478934 Motorized frame for adjusting the interelectrodic gap in mercury cellsDec 04, 00Nov 12, 02[C25D]
5995620 Echo canceller having Kalman filter for optimal adaptationAug 08, 97Nov 30, 99[H04M]
5565072 Electrochemical cell provided with ion exchange membranes and bipolar metal platesJun 01, 95Oct 15, 96[C25C]
5534122 Cell having a porous diaphragm for chlor-alkali electrolysis and process using the sameMar 29, 95Jul 09, 96[C25B]
5401367 Chlor-alkali diaphragm electrolysis process and relevant cellJan 31, 94Mar 28, 95[C25B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8070923 Structure for cathodic fingers of chlor-alkali diaphragm cellsExpiredJul 11, 03Dec 06, 11[C25B]
7658833 Method for copper electrowinning in hydrochloric solutionExpiredMar 02, 04Feb 09, 10[C25C]
7601247 Falling bed cathode cell for metal electrowinningExpiredJun 23, 04Oct 13, 09[C25C]
7560010 Diaphragm electrolytic cellExpiredFeb 26, 03Jul 14, 09[C25C, C25B]
7494579 Spouted bed electrode cell for metal electrowinningExpiredJul 11, 03Feb 24, 09[C25C]
7354506 Diaphragm cell for chlor-alkali production with increased electrode surface and method of manufacture thereofExpiredSep 27, 02Apr 08, 08[C25B]
2007/0144,898 Cell for electrochemical processesAbandonedMar 02, 05Jun 28, 07[B23H]
7214296 Anodic structure for mercury cathode electrolytic cells description of the inventionExpiredMar 27, 02May 08, 07[C25B]
7211177 Electrode for electrolysis in acidic mediaExpiredDec 31, 02May 01, 07[C25B]
2007/0068,825 Cooling device for end-box of mercury cathode chlor-alkali cellsAbandonedOct 21, 04Mar 29, 07[C25B]
2006/0163,081 Expandable anode for diaphragm cellsAbandonedJun 23, 04Jul 27, 06[C25C, C25B]
2006/0070,873 Expandable anodes for chlor-alkali diaphragm cellsAbandonedJan 21, 04Apr 06, 06[C25C]
2006/0039,698 System and method of communications with traffic signalsAbandonedAug 18, 04Feb 23, 06[H04B]
2005/0209,098 Carbon supported metal alloy catalysts and method for the manufacturing thereofAbandonedMar 03, 05Sep 22, 05[B01J]
2004/0200,719 Adjustable anodes for diaphragm chlor-alkali electrolyzersAbandonedMar 31, 04Oct 14, 04[C25B]
6689261 Diaphragm electrolyzerExpiredApr 26, 02Feb 10, 04[C25B]
6589406 Electrode characterized by highly adhering superficial catalytic layer and method for its productionExpiredMay 16, 01Jul 08, 03[C25B]
6312757 Cathode for diaphragm chlor-alkali electrolysis cellExpiredJun 01, 00Nov 06, 01[B05D, C25B]
6103093 Anode for oxygen evolution in electrolytes containing manganese and fluoridesExpiredSep 09, 98Aug 15, 00[C25B]
6093442 Cathode for diaphragm chlor-alkali electrolysis cellExpiredOct 06, 99Jul 25, 00[B05D, C25B]

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