JIANGXI RARE EARTH AND RARE METALS TUNGSTEN GROUP HOLDING CO. LTD.

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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
 
  
 
B08B CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL 157
 
  
 
C01G COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F 138
 
  
 
C25C PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR 118
 
  
 
E21B EARTH OR ROCK DRILLING 195
 
  
 
F27B FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS123
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 1205

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9255307 Tantalum-material multilevel distillation crucible and distillation processApr 10, 12Feb 09, 16[C22B, F27B]
9051624 Method of washing anode slime from lead-bismuth alloy electrolysisDec 30, 09Jun 09, 15[C22B, C25C, B08B, C01G]
8979210 Liquid collection process with liquid guiding holes for in-situ leaching an ore body to extract rare earth elementsAug 02, 11Mar 17, 15[E21B]
8796032 Method for analyzing and detecting calcium element in oreDec 30, 09Aug 05, 14[G01N]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0328,581 HEATER AND HEATING METHOD FOR WET EXTRACTION TANKAbandonedApr 09, 12Nov 06, 14[F24H]
8568670 Process for producing basic lead carbonateExpiredDec 30, 09Oct 29, 13[C22B]
2013/0199,340 LIQUID INJECTION PROCESS FOR IN-SITU LEACHING AND EXTRACTING ION-ADSORPTION TYPE RARE EARTH ELEMENTSAbandonedAug 02, 11Aug 08, 13[E21B]
2013/0200,681 LIQUID COLLECTION PROCESS WITH SECONDARY CHANNELS FOR IN-SITU LEACHING AN ORE BODY TO EXTRACT RARE EARTH ELEMENTSAbandonedAug 02, 11Aug 08, 13[E21B]

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