O&D USA LLC

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 24114
 
  
 
C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 7118
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 3106
 
  
 
C07D HETEROCYCLIC COMPOUNDS 3159
 
  
 
F25J LIQUEFACTION, SOLIDIFICATION, OR SEPARATION OF GASES OR GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT 326
 
  
 
B01D SEPARATION 2132
 
  
 
B01F MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING 240
 
  
 
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
 
  
 
C08J WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER- TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C C08F, C08G or C08H 276
 
  
 
C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 2114

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7491838 Purification of acetonitrile by a distillative recovery/ion exchange resin treatment processAug 26, 03Feb 17, 09[C07C]
7437891 Recovery and purification of ethyleneDec 20, 04Oct 21, 08[F25J]
7348291 Catalyst for the manufacture of acrylonitrileNov 19, 03Mar 25, 08[B01J]
7319040 Process control using on-line instrumentation and process modelsOct 28, 02Jan 15, 08[G01N]
7311813 Distillation sequence for the purification and recovery of hydrocarbonsMar 20, 03Dec 25, 07[B01D]
7250527 Process for recovering acrylonitrile or methacrylonitrileDec 15, 03Jul 31, 07[C07C]
7211674 Process for the recovery of oxazoleDec 17, 03May 01, 07[C07D]
7152428 Refrigeration systemJul 30, 04Dec 26, 06[F25J]
7133784 Process and method for chemical manufacturing using transformation of on-line instrumentation dataOct 28, 03Nov 07, 06[G01N]
7129387 Low capital implementation of distributed distillation in ethylene recoveryMar 20, 03Oct 31, 06[C07C]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7442345 Reactor apparatusExpiredMay 07, 04Oct 28, 08[B01J]
7316804 Flow reactors for chemical conversions with heterogeneous catalystsExpiredAug 02, 01Jan 08, 08[B01J]
7282600 Method for inhibiting polymerization during the recovery and purification of unsaturated mononitrilesExpiredMay 24, 04Oct 16, 07[C07C]
7071348 Process for the purification of olefinically unsaturated nitrilesExpiredJan 06, 05Jul 04, 06[C07C]
6984749 Method for inhibiting polymerization during the recovery and purification of unsaturated mononitrilesExpiredDec 04, 02Jan 10, 06[C07C]
2005/0154,245 Hydrogen recovery in a distributed distillation systemAbandonedDec 18, 03Jul 14, 05[C07C]
2005/0054,869 Mixed metal oxide catalysts for propane and isobutane oxidation and ammoxidation, and methods of preparing sameAbandonedJun 03, 04Mar 10, 05[C07C]
6803415 Flexible compositions based on propylene polymersExpiredMar 20, 02Oct 12, 04[C08F, C08L]
2004/0181,072 Method for enhancing the productivity of vanadium antimony oxide catalystsAbandonedMar 05, 04Sep 16, 04[C07D]
2004/0170,789 Annealed polypropylene pipes and fittingsAbandonedDec 08, 03Sep 02, 04[B26D, B29C, B32B]
6756514 Integrated dimerization processExpiredDec 09, 02Jun 29, 04[C07C]
2004/0102,318 Method for enhancing the productivity of vanadium antimony oxide catalystsAbandonedNov 27, 02May 27, 04[B01J]
2003/0236,175 Process for well fluids base oil via metathesis of alpha-olefinsAbandonedMay 23, 03Dec 25, 03[E21B]
6667020 Ammoxidation of a mixture of ketones to acetonitrile and HCNExpiredDec 10, 01Dec 23, 03[C01C]
2003/0224,945 Process for well fluids base oil via metathesis of alpha-olefinsAbandonedMay 29, 02Dec 04, 03[E21B]
6607447 Apparatus and process for monitor and control of an ammoxidation reactor with a fourier transform infrared spectrometerExpiredAug 30, 01Aug 19, 03[G01N, G06F]
6583228 Copolymers of high vinylidene polyolefins with vinyl or vinylidene monomers produced by free radical polymerizationExpiredOct 21, 98Jun 24, 03[C08F]
6413485 Ammoxidation of a mixture of ketones to acetonitrile and HCNExpiredMay 27, 99Jul 02, 02[C01C]
6358483 Sparger for oxygen injection into a fluid bed reactorExpiredJul 13, 99Mar 19, 02[B05B, B01F]
6303709 Continuous process for obtaining propylene polymersExpiredJan 18, 00Oct 16, 01[C08F]

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