MARSULEX ENVIRONMENTAL TECHNOLOGIES CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01D SEPARATION 16118
 
  
 
B01F MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING 240
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 2107
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF277
 
  
 
B07B SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, OR SIFTING OR BY USING GAS CURRENTS; OTHER SEPARATING BY DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL 120
 
  
 
C01C AMMONIA; CYANOGEN; COMPOUNDS THEREOF 113
 
  
 
C01D COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM 114
 
  
 
C05G MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS 112
 
  
 
F23J REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 116

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9700838 Circulating dry scrubber system and methodApr 04, 16Jul 11, 17[F23J, B01D]
9327232 Circulating dry scrubber system and methodOct 03, 14May 03, 16[B01D]
9327234 Flue gas desulfurization systemMar 17, 10May 03, 16[B01D]
8353980 Flue gas scrubbing apparatus and processDec 03, 09Jan 15, 13[B01D]
7771685 Process and system for removing hydrogen sulfide and mercaptans in ammonia-based desulfurization systemsApr 25, 08Aug 10, 10[B01D]
7574968 Method and apparatus for capturing gas phase pollutants such as sulfur trioxideSep 19, 03Aug 18, 09[B01D]
6638342 Process and facility for removing metal contaminants from fertilizer streamsNov 28, 01Oct 28, 03[C05G, B01D]
6550751 Gas-liquid contactor with liquid redistribution deviceNov 26, 97Apr 22, 03[B01F]
6254843 Process for the reclamation of calcium sulfite produced by a calcium-based FGD systemNov 19, 99Jul 03, 01[B01D]
6221325 Process for controlling ammonia slip in the reduction of sulfur dioxide emissionSep 08, 98Apr 24, 01[B01D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6759022 Flue gas desulfurization process and apparatus for removing nitrogen oxidesExpiredJun 05, 02Jul 06, 04[C01B]
6277343 Flue gas scrubbing method and apparatus thereforExpiredSep 23, 99Aug 21, 01[B01J, B01D]
5665317 Flue gas scrubbing apparatusExpiredDec 29, 95Sep 09, 97[C01B, B01F]
4690807 Process for the simultaneous absorption of sulfur oxides and production of ammonium sulfateExpiredFeb 20, 86Sep 01, 87[C01C, C01B]
4650555 Method for corona discharge enhanced flue gas clean-upExpiredOct 03, 85Mar 17, 87[C01B]
4645652 Method for scrubbing sulfur oxides and nitrogen oxides in a flue gas ductExpiredNov 29, 85Feb 24, 87[C01B, B01J]
4645653 Method for dry flue gas desulfurization incorporating nitrogen oxides removalExpiredNov 29, 85Feb 24, 87[C01B, B01J]

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