VALE CANADA LIMITED

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C22B PRODUCTION OR REFINING OF METALS 325
 
  
 
B01D SEPARATION 1133
 
  
 
C01G COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F 138
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 154
 
  
 
F25B REFRIGERATION MACHINES, PLANTS, OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS 167

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8961649 System and method for extracting base metal values from oxide oresAug 26, 08Feb 24, 15[C22B]
8147782 Producing nickel hydroxide suitable for pelletization with iron-containing ore and for stainless steel manufactureSep 23, 08Apr 03, 12[C01G, B01D]
8043585 Liquid and solid effluent treatment processJan 09, 09Oct 25, 11[C01G]
7901484 Resin-in-leach process to recover nickel and/or cobalt in ore leaching pulpsJul 31, 08Mar 08, 11[C22B]
7641801 Method for removing manganese from nickel laterite waste liquorsFeb 28, 07Jan 05, 10[C02F]
7131288 Heat exchangerNov 23, 01Nov 07, 06[F25B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8557019 Process for production of nickel and cobalt using metal hydroxide, metal oxide and/or metal carbonateExpiredApr 15, 09Oct 15, 13[C22B]

Top Inventors for This Owner

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