NEXEN INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01D SEPARATION 2132
 
  
 
B02C CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN 134
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF178
 
  
 
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
8501149 S conversion to sulfur using a regenerated iodine solutionFeb 17, 12Aug 06, 13[C01B, B01J, B01D]
8388831 Compact slurry preparation system for oil sandAug 22, 08Mar 05, 13[C10G, B01D, E21C]
7984866 Relocatable oil sand slurry preparation systemSep 23, 05Jul 26, 11[B02C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2010/0112,375 LIGHTWEIGHT WEAR-RESISTANT WELD OVERLAYAbandonedOct 27, 09May 06, 10[B23K, B32B]
7481318 Apparatus and process for coalescing bitumen in an oil sand slurryExpiredOct 16, 03Jan 27, 09[B04C]
7431830 Compact slurry preparation system for oil sandExpiredSep 02, 04Oct 07, 08[C10G]
2006/0249,431 Low energy process for extraction of bitumen from oil sandAbandonedMay 06, 05Nov 09, 06[C10G]
2006/0185,773 LIGHTWEIGHT WEAR-RESISTANT WELD OVERLAYAbandonedFeb 22, 05Aug 24, 06[B23K, C22C]
7025874 Nozzle/mixer assemblyExpiredOct 04, 02Apr 11, 06[C10G]
6821060 Jet pump system for forming an aqueous oil sand slurryExpiredFeb 24, 03Nov 23, 04[B65G]
6746596 Process for reducing sulphur emissions from a fluidized bed coke burnerExpiredJun 14, 01Jun 08, 04[C10G]
6746599 Staged settling process for removing water and solids from oils and extraction frothExpiredJun 11, 01Jun 08, 04[C10G]
6391190 Mechanical deaeration of bituminous frothExpiredMar 04, 99May 21, 02[C10G]
5108722 Sulfate removal from chlorate liquorExpiredAug 27, 90Apr 28, 92[C01B, C01D]

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