DAVY PROCESS TECHNOLOGY LIMITED

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 21117
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 4105
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF277
 
  
 
C11C FATTY ACIDS FROM FATS, OILS OR WAXES; CANDLES; FATS, OILS OR FATTY ACIDS BY CHEMICAL MODIFICATION OF FATS, OILS, OR FATTY ACIDS OBTAINED THEREFROM215
 
  
 
B01D SEPARATION 1133
 
  
 
C07D HETEROCYCLIC COMPOUNDS 1161
 
  
 
C10G CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION 161
 
  
 
C10K PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE116
 
  
 
C10L FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR C10K; LIQUEFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS 141
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 1205

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9228156 Process for the production of fatty acid estersMay 23, 13Jan 05, 16[C11C]
8987341 Process for improving the hydrogen content of a synthesis gasNov 22, 11Mar 24, 15[C01B, C07C, C10K, C10G]
8969423 Process for the production of substitute natural gasJun 27, 11Mar 03, 15[C10L]
8329765 Fischer tropsch processOct 20, 06Dec 11, 12[C07C, B01J]
8101142 Process and plantMay 30, 02Jan 24, 12[C07C, B01J]
7935238 Electromechanical filter for Fischer-Tropsch synthesisMar 18, 04May 03, 11[B01J, C02F]
7790775 Process for use in gas phase reactionsAug 10, 05Sep 07, 10[C07C]
7666917 Modified catalyst and use of this catalyst for the conversion of synthesis gas to hydrocarbonsSep 29, 08Feb 23, 10[C07C, B01J]
7566678 Modified catalyst and use of this catalyst for the conversion of synthesis gas to hydrocarbonsFeb 09, 06Jul 28, 09[C07C, B01J]
7445935 Process and apparatus for loading a particulate solid into a vertical tubeJun 05, 02Nov 04, 08[G01N]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0038,737 Process And System For Purification Of Aromatic Dicarboxylic AcidAbandonedSep 22, 11Feb 05, 15[C07C, B01D]
2013/0190,530 Process And System For The Separation Of Carboxylic Acids From A SlurryAbandonedJun 22, 11Jul 25, 13[C07C, B01D]
2011/0214,981 Process For The Purification Of Methanol By DistillationAbandonedAug 28, 09Sep 08, 11[B01D]
2010/0099,550 Homogeneous Process for the Hydrogenation of Carboxylic Acids and Derivatives ThereofAbandonedAug 24, 09Apr 22, 10[C09K, B01J]
2009/0306,365 Hydrogenolysis of Sugar FeedstockAbandonedAug 18, 09Dec 10, 09[C07H]
2009/0215,978 PROCESSAbandonedFeb 21, 06Aug 27, 09[C08G, C07C]
7553397 ProcessExpiredSep 29, 99Jun 30, 09[C07C, B01D]
7498450 Homogeneous process for the hydrogenation of dicarboxylic acids and/or anhydrides thereofExpiredOct 15, 04Mar 03, 09[C07D, C07C]
2008/0217,489 Tube supporting systemAbandonedSep 26, 07Sep 11, 08[F16L, F28F]
2007/0123,739 Hydrogenolysis of sugar feedstockAbandonedOct 15, 04May 31, 07[C07C]
2006/0182,673 Apparatus for heterogeneous catalysed reactionsAbandonedJan 23, 03Aug 17, 06[B01J]
6914083 Fischer-tropsch processExpiredSep 28, 01Jul 05, 05[C07C]
6903140 Fischer-tropsch processExpiredMay 17, 02Jun 07, 05[C07C]
6835756 Fischer-tropsch synthesis processExpiredJun 17, 03Dec 28, 04[C07C]
2004/0179,979 Tube supporting deviceAbandonedFeb 12, 04Sep 16, 04[B01J, B32B]
2004/0171,478 Process for recovering homogenous metal hydrate catalystsAbandonedApr 19, 04Sep 02, 04[C07F]
6600065 Process for preparing 3-hydroxyesters from epoxide derivativesExpiredOct 17, 02Jul 29, 03[C07C]
5841002 Process for the commercial production of polyhydroxy alcohols and glycolsExpiredSep 27, 96Nov 24, 98[C07C]
5426207 Continuous production process of diarylcarbonatesExpiredOct 28, 93Jun 20, 95[C07C]

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