ALUMINIUM PECHINEY

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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 910
 
  
 
C01F COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS 417
 
  
 
B65G TRANSPORT OR STORAGE DEVICES, e.g. CONVEYERS FOR LOADING OR TIPPING; SHOP CONVEYER SYSTEMS; PNEUMATIC TUBE CONVEYERS 364
 
  
 
C25B ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON- METALS; APPARATUS THEREFOR 332
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 2204
 
  
 
B01D SEPARATION 1133
 
  
 
B22C FOUNDRY MOULDING 127
 
  
 
B22D CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES 148
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM1156
 
  
 
C10B DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS 118

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8069628 Ring furnaces with improved expansion joints and bricks designed to build itJul 10, 06Dec 06, 11[E04B]
7939182 Filler wire for welding aluminum alloysAug 31, 05May 10, 11[B23K, B32B]
7704471 Bayer process for production of alumina trihydrate by alkaline digestion of bauxite, the process comprising a predesilication stepMay 11, 05Apr 27, 10[C01F]
7678244 Electrolytic cell leak limiterFeb 09, 05Mar 16, 10[C25C, C25B]
7618519 Cathode element for use in an electrolytic cell intended for production of aluminumApr 01, 05Nov 17, 09[C25C]
7544275 Device and method for connecting inert anodes for the production of aluminum by fused-salt electrolysisSep 28, 04Jun 09, 09[C25B]
7513979 Series of electrolysis cells for the production of aluminium comprising means for equilibration of the magnetic fields at the ends of the linesMar 30, 05Apr 07, 09[C25C]
7485215 Method of pre-heating a stack for aluminium electrolysis productionSep 18, 03Feb 03, 09[C25C]
7192511 Method for regulating an electrolytic cellFeb 26, 02Mar 20, 07[C25C]
7135104 Method for regulating an electrolysis cellFeb 27, 02Nov 14, 06[C25C]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7807119 Bayer process for production of alumina trihydrate, the said improvement relating to separation of aluminate liquor and insoluble residuesExpiredSep 19, 05Oct 05, 10[C01F]
7658896 Method for attacking bauxite enhancing filterability of sludge in attack outputExpiredOct 21, 03Feb 09, 10[C01F]
2009/0159,434 SYSTEM AND PROCESS FOR COLLECTING EFFLUENTS FROM AN ELECTROLYTIC CELLAbandonedApr 04, 07Jun 25, 09[C25C, C25B]
7527715 Method and system for cooling an electrolytic cell for aluminum productionExpiredJul 07, 03May 05, 09[C25C]
7504016 Method and system for controlling addition of powdery materials into the bath of an electrolysis cell for the production of aluminiumExpiredSep 28, 04Mar 17, 09[C25C]
2008/0271,996 Electrolytic Cell With a Heat ExchangerAbandonedNov 06, 06Nov 06, 08[C25C]
7429314 Device for controlling the travel distance of a chisel in a feeding system for an aluminium production electrolytic cellExpiredSep 08, 05Sep 30, 08[C25C]
7425284 Inert anode for the production of aluminium by fused bath electrolysis and method of making this anodeExpiredOct 05, 04Sep 16, 08[H01B]
7258155 Ingot mould for quenching metals and ingots thus obtainedExpiredFeb 17, 04Aug 21, 07[B22D]
7256232 Coating precursor and method for coating a substrate with a refractory layerExpiredOct 14, 02Aug 14, 07[C08K]
7238390 Coating precursor and method for coating a substrate with a refractory layerExpiredOct 14, 02Jul 03, 07[B05D]
7217408 Solubilisation of carbonates by recycling condensates during digestion of monohydrate bauxites under pressureExpiredJan 17, 03May 15, 07[C01F]
7192271 Method and cooling device for the subracks in a chamber furnaceExpiredMay 28, 02Mar 20, 07[F27B]
7175749 Method and device for detecting anode effects of an electrolytic cell for aluminum productionExpiredDec 04, 02Feb 13, 07[C25C]
2006/0289,290 Electrolytic cell effluent treatment method and device for the production of aluminiumAbandonedDec 15, 03Dec 28, 06[B01D]
2006/0133,949 Moulded AL-SI-CU aluminium alloy component with high hot-process resistanceAbandonedJul 07, 04Jun 22, 06[C22C]
2006/0086,607 Aluminum production installation employing fused-salt electrolysisAbandonedJul 09, 03Apr 27, 06[C25D]
2005/0266,570 Cuvette for an automated analyzerAbandonedAug 10, 05Dec 01, 05[G01N]
2005/0224,145 Part cast made from aluminum alloy with high hot strengthAbandonedDec 21, 04Oct 13, 05[C22C]
2005/0155,676 High-ductility aluminium alloy part cast under pressureAbandonedNov 30, 04Jul 21, 05[C22C]

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