loadpatents
Patent applications and USPTO patent grants for Liu; Houyuan.The latest application filed is for "removal of ferric iron as hematite at atmospheric pressure".
Patent | Date |
---|---|
Removal of ferric iron as hematite at atmospheric pressure Grant 9,920,397 - Aguilar , et al. March 20, 2 | 2018-03-20 |
Production of high grade nickel product Grant 9,481,919 - Liu , et al. November 1, 2 | 2016-11-01 |
Removal of Ferric Iron as Hematite at Atmospheric Pressure App 20150152519 - Aguilar; Renato Antonio Loaiza ;   et al. | 2015-06-04 |
Production of High Grade Nickel Product App 20150000466 - Liu; Houyuan ;   et al. | 2015-01-01 |
Nickel recovery from a high ferrous content laterite ore Grant 8,758,479 - Caceres Hernandez , et al. June 24, 2 | 2014-06-24 |
Saprolite neutralisation of heap leach process Grant 8,454,723 - Liu , et al. June 4, 2 | 2013-06-04 |
Atmospheric acid leach process for laterites Grant 8,366,801 - Chamberlain , et al. February 5, 2 | 2013-02-05 |
Process for atmospheric leaching of laterite ores using hypersaline leach solution Grant 8,268,039 - Liu , et al. September 18, 2 | 2012-09-18 |
Nickel Recovery from a High Ferrous Content Laterite Ore App 20110232421 - Hernandez; Omar Yesid Caceres ;   et al. | 2011-09-29 |
Selectively leaching cobalt from lateritic ores Grant 7,988,938 - Roche , et al. August 2, 2 | 2011-08-02 |
Process for Heap Leaching of Nickeliferous Oxidic Ores App 20110150729 - Liu; Houyuan | 2011-06-23 |
Atmospheric Acid Leach Process For Laterites App 20110100163 - Chamberlain; Anthony Charles ;   et al. | 2011-05-05 |
Production of metallic nickel with low iron content Grant 7,935,171 - Ratchev , et al. May 3, 2 | 2011-05-03 |
Saprolite Neutralisation of Heap Leach Process App 20110083533 - Liu; Houyuan ;   et al. | 2011-04-14 |
Process For Atmospheric Leaching Of Laterite Ores Using Hypersaline Leach Solution App 20110056333 - Liu; Houyuan ;   et al. | 2011-03-10 |
Consecutive or simultaneous leaching of nickel and cobalt containing ores Grant 7,871,584 - Liu , et al. January 18, 2 | 2011-01-18 |
Selectively Leaching Cobalt From Lateritic Ores App 20100296988 - Roche; Eric Girvan ;   et al. | 2010-11-25 |
Limonite and Saprolite Heap Leach Process App 20100282024 - Moroney; Adam Sean ;   et al. | 2010-11-11 |
Process for recovery of nickel and cobalt by heap leaching of low grade nickel or cobalt containing material Grant 7,758,669 - Miller , et al. July 20, 2 | 2010-07-20 |
Production of Metallic Nickel with Low Iron Content App 20100154593 - Ratchev; Ivan ;   et al. | 2010-06-24 |
Production of ferro-nickel or nickel matte by a combined hydrometallurgical and pyrometallurgical process Grant 7,597,738 - Liu , et al. October 6, 2 | 2009-10-06 |
Production of ferronickel Grant 7,585,350 - Duarte , et al. September 8, 2 | 2009-09-08 |
Process for enhanced acid leaching of laterite ores Grant 7,559,972 - Liu , et al. July 14, 2 | 2009-07-14 |
Production of titania Grant 7,485,268 - Roche , et al. February 3, 2 | 2009-02-03 |
Process for Leaching Lateritic Ore at Atmospheric Pressure App 20080271571 - Liu; Houyuan ;   et al. | 2008-11-06 |
Atmospheric pressure leach process for lateritic nickel ore Grant 7,416,711 - Liu , et al. August 26, 2 | 2008-08-26 |
Process for Heap Leaching of Nickeliferous Oxidic Ores App 20080138263 - Liu; Houyuan | 2008-06-12 |
Process for Enhanced Acid Leaching of Laterite Ores App 20080053276 - Liu; Houyuan ;   et al. | 2008-03-06 |
Consecutive or Simultaneous Leaching of Nickel and Cobalt Containing Ores App 20080050294 - Liu; Houyuan ;   et al. | 2008-02-28 |
Production of Ferro-Nickel or Nickel Matte by a combined Hydrometallurgical and Pyrometallurgical Process App 20080016986 - Liu; Houyuan ;   et al. | 2008-01-24 |
Production of Ferronickel App 20080011126 - Duarte; Alexey ;   et al. | 2008-01-17 |
Process for recovery of nickel and cobalt by heap leaching of low grade nickel or cobalt containing material App 20070034056 - Miller; Geoffrey William ;   et al. | 2007-02-15 |
Production of titania App 20060153768 - Roche; Eric Girvan ;   et al. | 2006-07-13 |
Atmospheric pressure leach process for lateritic nickel ore App 20050226797 - Liu, Houyuan ;   et al. | 2005-10-13 |
Heap leaching of nickel containing ore Grant 6,312,500 - Duyvesteyn , et al. November 6, 2 | 2001-11-06 |
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