BHP MINERALS INTERNATIONAL, INC.

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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 820
 
  
 
C01G COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F 336
 
  
 
B01D SEPARATION 1133
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF178
 
  
 
F01M LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL-COMBUSTION ENGINES; CRANKCASE VENTILATING 132
 
  
 
F16J PISTONS; CYLINDERS; PRESSURE VESSELS IN GENERAL; SEALINGS149

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6395061 Process for organic acid bioleaching of oreDec 27, 00May 28, 02[C22B]
6387239 Recovery of metals from oreNov 17, 99May 14, 02[C22B]
6379636 Method for leaching nickeliferous laterite oresNov 03, 99Apr 30, 02[C22B]
5626648 Recovery of nickel from bioleach solutionJul 17, 95May 06, 97[C22B]
5571308 Method for recovering nickel from high magnesium-containing Ni-Fe-Mg lateritic oreJul 17, 95Nov 05, 96[C22B]
5441712 Hydrometallurgical process for producing zinc oxideOct 15, 93Aug 15, 95[C22B, C01B, C01G]
5304359 Dissolution of platinum group metals from materials containing said metalsMar 03, 92Apr 19, 94[C22B, C01G]
5299490 Piston with flush connecting wall sections at pin boss surfaceSep 14, 92Apr 05, 94[F01M, F16J]
5292490 Recovery platinum group metals from oxides oresJun 10, 92Mar 08, 94[C22B, C01G]
5229003 Recovery of base materials from geothermal brinesSep 19, 91Jul 20, 93[B01D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6350420 Resin-in-pulp method for recovery of nickel and cobaltExpiredFeb 29, 00Feb 26, 02[C22B]
6340423 Hydrometallurgical processing of lead materials using fluotitanateExpiredMar 10, 00Jan 22, 02[C25C]
6261527 Atmospheric leach process for the recovery of nickel and cobalt from limonite and saprolite oresExpiredNov 03, 99Jul 17, 01[C23B]
2001/0001,650 RECOVERY OF NICKEL AND COBALT FROM OREAbandonedMar 09, 99May 24, 01[C22B]
6092090 Management system for documents stored electronicallyExpiredJan 11, 96Jul 18, 00[G06F]
6074558 Biochemical treatment of bitumen froth tailingsExpiredNov 16, 98Jun 13, 00[C10G, C02F]
6007709 Extraction of bitumen from bitumen froth generated from tar sandsExpiredDec 31, 97Dec 28, 99[C10G]
5968349 Extraction of bitumen from bitumen froth and biotreatment of bitumen froth tailings generated from tar sandsExpiredNov 16, 98Oct 19, 99[C10G]
5328035 Lithium metatungstateExpiredOct 13, 92Jul 12, 94[B03B]
5236491 Boron recovery from geothermal brinesExpiredOct 28, 92Aug 17, 93[G22B]
5178848 Lithium metatungstateExpiredJun 25, 91Jan 12, 93[C01D]
4771464 FM stereophonic broadcasting system utilizing simultaneous companding and modulation/demodulationExpiredMay 08, 87Sep 13, 88[H04H]

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