WESTLAKE LONGVIEW CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 5669
 
  
 
C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 1799
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM10147
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 9100
 
  
 
C08K USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS 498
 
  
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 2123
 
  
 
C09B ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES; MORDANTS; LAKES 241
 
  
 
B01D SEPARATION 1133
 
  
 
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
 
  
 
B65B MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING 163

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8653207 Process and apparatus for polymerizing ethylene under ultra-high pressureNov 30, 12Feb 18, 14[C08F, B01J]
8198384 Method for preventing or reducing clogging of a fines ejectorJan 10, 11Jun 12, 12[C08F, B01J]
8129482 Method of preventing or reducing polymer agglomeration on grid in fluidized-bed reactorsFeb 27, 08Mar 06, 12[C08F, C09B, B01J]
8124697 Method of preventing or reducing agglomeration on grid in fluidized-bed vesselFeb 27, 08Feb 28, 12[C08F, C09B, B01J]
8118173 Streamer trap assemblyDec 03, 08Feb 21, 12[B07B]
8088334 Polymerization process and associated apparatusOct 13, 11Jan 03, 12[C08F, B01J]
8063158 Polymerization process and associated apparatusAug 06, 04Nov 22, 11[C08F, B01J]
7977436 Process and apparatus for olefin polymerization in a fluidized bed reactorMar 31, 10Jul 12, 11[C08F, B01J]
7939025 Gas distribution plate for fluidized-bed olefin polymerization reactorsNov 30, 07May 10, 11[F27B, B01J]
7893180 Process for the polymerization of olefins; novel polyethylenes, and films and articles produced therefromAug 20, 07Feb 22, 11[C08F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2013/0317,270 SIMPLIFIED PROCESS TO PREPARE POLYOLEFINS FROM SATURATED HYDROCARBONSAbandonedJul 31, 13Nov 28, 13[C07C]
7351465 Polymeric based carpetExpiredJul 19, 01Apr 01, 08[B32B]
2007/0270,558 Pulsing olefin polymerization fluidized-bed reactorsAbandonedOct 23, 06Nov 22, 07[C08F]
2007/0249,793 Simplified process to prepare polyolefins from saturated hydrocarbonsAbandonedApr 19, 06Oct 25, 07[C08F]
2007/0170,611 Start-up procedure for underwater pelletizerAbandonedOct 16, 06Jul 26, 07[B28B]

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