Compagnie Europeenne du Zirconium-Cezus

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C22F CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS OR NON-FERROUS ALLOYS 631
 
  
 
G21C NUCLEAR REACTORS 538
 
  
 
B01D SEPARATION 2132
 
  
 
C01G COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F 237
 
  
 
A62D CHEMICAL MEANS FOR EXTINGUISHING FIRES; PROCESSES FOR MAKING HARMFUL CHEMICAL SUBSTANCES HARMLESS, OR LESS HARMFUL, BY EFFECTING A CHEMICAL CHANGE; COMPOSITION OF MATERIALS FOR COVERINGS OR CLOTHING FOR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; COMPOSITION OF MATERIALS FOR TRANSPARENT PARTS OF GAS-MASKS, RESPIRATORS, BREATHING BAGS OR HELMETS; COMPOSITION OF CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS115
 
  
 
B21B ROLLING OF METAL 131
 
  
 
C22B PRODUCTION OR REFINING OF METALS 127
 
  
 
C22C ALLOYS 171
 
  
 
G21F PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR 121

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8993828 Method of radium stabilizing in solid effluent or effluent containing substances in suspensionAug 10, 07Mar 31, 15[G21F, A62D, C01F]
8137488 Method of producing a flat zirconium alloy product, flat product thus obtained and a nuclear plant reactor grid which is made from said flat productSep 29, 04Mar 20, 12[C22F]
7988946 Method for recycling zirconium tetrafluoride into zirconiaJun 28, 06Aug 02, 11[C01G]
7763132 Method of producing a zirconium alloy semi-finished product for the production of elongated product and use thereofJan 07, 04Jul 27, 10[C22F]
7708962 Process for the separation and purification of hafnium and zirconiumJul 07, 05May 04, 10[B01D]
7630470 Method for making a flat zirconium alloy product, resulting flat product and fuel, assembly component for nuclear power plant reactor made from said flat productJul 20, 04Dec 08, 09[G21C]
7063792 Method for separating metals such as zirconium and hafniumSep 10, 01Jun 20, 06[B01D]
6929786 Method for separating zirconium and hafnium tetrachlorides with the aid of a melted solventApr 12, 02Aug 16, 05[C22B]
6863745 Zirconium based alloy and method for making a component for a nuclear fuel assembly with sameJun 24, 02Mar 08, 05[C22F, C22C]
6718811 Process for producing a guide tube of a nuclear reactor fuel assembly, mandrel for forming the guide tube, and the guide tube obtainedJul 07, 99Apr 13, 04[B21B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2009/0185,965 Method for separating zirconium and hafniumAbandonedOct 07, 05Jul 23, 09[C01G]
7364631 Zirconium-based alloy having a high resistance to corrosion and to hydriding by water and steam and process for the thermomechanical transformation of the alloyExpiredFeb 25, 05Apr 29, 08[C22C]
2006/0081,313 Method for the production of a semi-finished product made of zirconium alloy for the production of a flat product and use thereofAbandonedJan 09, 04Apr 20, 06[C22F]
6884304 Zirconium alloy highly resistant to corrosion and to sun burst by water and water vapor and method for thermomechanical transformation of the alloyExpiredAug 12, 02Apr 26, 05[C22C]
5735978 Sheathing tube for a nuclear fuel rodExpiredOct 11, 96Apr 07, 98[C22C]
5674330 Process for the production of zirconium alloy sheet metal having good resistance to nodular corrosion and to deformation under irradiationExpiredAug 14, 95Oct 07, 97[C22F]
5627910 Process for inspecting metallic chips fragments in order to eliminate more X-ray absorbent inclusions from themExpiredJun 28, 94May 06, 97[G06K]
5622574 Product externally alloyed with ZR, method for manufacture of same, and use of sameExpiredSep 22, 94Apr 22, 97[C22F]
5487797 Process for the manufacture of a flat product of zirconoum alloy or hafnium alloy comprising a continuation of hot rolling after infrared reheating, and its utilizationsExpiredMar 02, 95Jan 30, 96[C22F]
5471879 Ultrasonic process for testing, by immersion, a metal piece and use thereofExpiredSep 13, 93Dec 05, 95[G01N]
5372659 Alloys of refractory metals suitable for transformation into homogeneous and pure ingotsExpiredMay 11, 93Dec 13, 94[C22C]
5304263 Titanium alloy partExpiredJun 30, 93Apr 19, 94[C22F]
5264055 Method involving modified hot working for the production of a titanium alloy partExpiredMay 14, 92Nov 23, 93[C22C]
5256216 Controlled resistive heat treatment for a continuously moving zircaloy sheetExpiredFeb 19, 92Oct 26, 93[C22C]
5249730 Process for the manufacture of zirconium based tubes formed from layers of varying compositionExpiredMar 04, 93Oct 05, 93[B23K]
5242622 Process for the production of a neutron absorbing pellet, the pellet obtained and the use thereofExpiredFeb 15, 91Sep 07, 93[G21C]
5223055 Method of making a sheet or strip of zircaloy with good formability and the strips obtainedExpiredJul 16, 91Jun 29, 93[C22C]
5164050 Method of obtaining uranium from oxide using a chloride processExpiredJul 03, 90Nov 17, 92[C25C]
5118468 Method of making a metal, neutron absorbing element and the element obtainedExpiredJul 20, 89Jun 02, 92[G21C]
5110426 Method of and an apparatus for introducing at least one halide in the liquid or gaseous state into the bath of a cell for dry electrolysisExpiredSep 14, 90May 05, 92[C25C]

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