Natural Resources Canada

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01D SEPARATION 4130
 
  
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 3135
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 1108
 
  
 
B04C APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES 112
 
  
 
B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 186
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM1156
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF178
 
  
 
C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 1115
 
  
 
C09D COATING COMPOSITIONS, e.g. PAINTS, VARNISHES, LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR 191
 
  
 
C10G CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION 161

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6680006 Conversion of natural gas to synthesis gas using nickel catalystDec 17, 01Jan 20, 04[C01B, C10L, B01J]
6582600 Two-stage hydrocyclone systemJan 31, 02Jun 24, 03[B04C, B01D]
6228506 Cellulose/polymer composite enthalpy exchanger and method for its manufactureMar 16, 98May 08, 01[B05D, B32B, B01D]
5858237 Hydrocyclone for separating immiscible fluids and removing suspended solidsApr 29, 97Jan 12, 99[B01D]
5855768 Process for removing contaminants from thermally cracked waste oilsAug 21, 97Jan 05, 99[C10M]
5820640 Pyrolysis liquid-in-diesel oil microemulsionsJul 09, 97Oct 13, 98[C01L]
5705722 Conversion of biomass feedstock to diesel fuel additiveAug 21, 95Jan 06, 98[C07C]
5665130 Riser terminator for internally circulating fluid bed reactorJan 18, 96Sep 09, 97[B01D]
5659077 Production of acetic acid from methaneMar 22, 96Aug 19, 97[C07C]
5637259 Process for producing syngas and hydrogen from natural gas using a membrane reactorDec 04, 95Jun 10, 97[C07C]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7323506 High performance P(VDF-TrFE) copolymer for pyroelectric conversionExpiredDec 02, 04Jan 29, 08[C08K]
6768115 Process for on-line monitoring of oxidation or degradation and processability of oil sand oreExpiredJul 18, 02Jul 27, 04[G01N]
6294068 Electrochemical conversion of hydrocarbonsExpiredApr 07, 00Sep 25, 01[C25B]
5908545 Electrochemical process for decomposing hydrogen sulfide to produce hydrogen and sulfurExpiredAug 19, 97Jun 01, 99[C01B, C25C, C25B]
5550141 Method for inhibiting the formation of acid mine drainageExpiredAug 31, 95Aug 27, 96[A01N, C02F]

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