COMURHEX SOCIETE POUR LA CONVERSION DE L'URANIUM EN METAL ET HEXAFLUORURE

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C01G COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F 237
 
  
 
B01D SEPARATION 1133
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 1108
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF178
 
  
 
C01D COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM 114
 
  
 
C01F COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS 120
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 154
 
  
 
C22B PRODUCTION OR REFINING OF METALS 127
 
  
 
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
8858901 compound for trapping metals in the form of fluorides and/or oxyfluorides in a gaseous or a liquid phaseJun 08, 12Oct 14, 14[C22B, C01B, B01J, C01G, C01F, C02F, B01D, C01D]
5628048 Process for obtaining uranium trioxide by direct thermal denitration of uranyl nitrateFeb 28, 96May 06, 97[C01G]
5284605 Method of treating gas based on electrolytic fluorine containing uranium compoundsMar 13, 92Feb 08, 94[G21F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5219540 Method of removing ruthenium contained in uranium-containing solutionsExpiredFeb 03, 92Jun 15, 93[C22B, C01G]
5031201 Rotating X-ray tube anticathodeExpiredAug 24, 90Jul 09, 91[H01J]
5013274 Process for restoring locally damaged parts, particularly anticathodesExpiredJun 27, 89May 07, 91[C23C]
4892630 Process for the passivating anodization of copper in a medium of molten fluorides, and use for the protection of copper parts of fluorine electrolysersExpiredFeb 23, 89Jan 09, 90[C25D]
4871479 Process for producing sintered mixed oxides which are soluble in nitric acid from solutions of nitratesExpiredJun 22, 88Oct 03, 89[C09K, C01G]
4767455 Process for the preparation of pure alloys based on rare earths and transition metals by metallothermyExpiredNov 24, 87Aug 30, 88[C22C]

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