Exxon Research and Engineering Company

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C10G CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION 11610
 
  
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 9355
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 7941
 
  
 
C10M LUBRICATING COMPOSITIONS 3621
 
  
 
B01D SEPARATION 24110
 
  
 
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 2220
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF1564
 
  
 
B01F MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING 933
 
  
 
C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 8108
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 8198

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6835301 Production of low sulfur/low aromatics distillatesDec 07, 99Dec 28, 04[C10G]
6620312 Process for making a lube basestock with excellent low temperature propertiesOct 25, 00Sep 16, 03[C10G]
6458855 Fischer-tropsch process water emulsions of hydrocarbons (law548)Jan 22, 99Oct 01, 02[C10L, B01F]
RE37649 Draft tube for catalyst rejuvenation and distributionAug 13, 98Apr 09, 02[C07C, B01J]
6352638 Two-stage process for converting residua to gasoline blendstocks and light olefinsDec 13, 00Mar 05, 02[C10G]
RE37515 Rejuvenation of hydrocarbon synthesis catalystAug 13, 98Jan 15, 02[C07C, B01J]
6332974 Wide-cut synthetic isoparaffinic lubricating oilsSep 11, 98Dec 25, 01[C10G]
6331575 Preparation of high activity catalysts; the catalysts and their useSep 15, 98Dec 18, 01[C10L, C07C, C10G]
6325833 Emulsion blendsSep 12, 97Dec 04, 01[C10L]
6313062 Process for the preparation of high activity carbon monoxide hydrogenation catalysts; the catalyst composition, use of the catalysts for conducting such reactions, and the products of such reactionsOct 29, 99Nov 06, 01[C07C, B01J]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6495029 Countercurrent desulfurization process for refractory organosulfur heterocyclesExpiredAug 27, 99Dec 17, 02[C10G]
6462140 Carbonyl containing compoundsExpiredFeb 09, 01Oct 08, 02[C08F]
6444784 Wax crystal modifiers (LAW657)ExpiredMay 29, 98Sep 03, 02[C08G]
6409911 Silicoaluminophosphates having an AEL structure and their use as FCC catalystsExpiredSep 13, 00Jun 25, 02[C01G]
6383366 Wax hydroisomerization processExpiredNov 14, 00May 07, 02[C10G]
6355850 Manufacture of electrical oil enriched with hydrofined gas oil for improved oxidation and electrical resistanceExpiredJan 18, 00Mar 12, 02[H01B, C10G]
6352639 Superheating atomizing steam with hot FCC feed oilExpiredDec 13, 00Mar 05, 02[C10G]
6344490 Removable filter for slurry hydrocarbon synthesis processExpiredJan 22, 99Feb 05, 02[C07C, C10G]
2002/0003,103 FLUID CAT CRACKING WITH HIGH OLEFINS PROUDUCTIONAbandonedDec 30, 98Jan 10, 02[C10G]
6319960 Method for hydrocarbon synthesis reactionsExpiredNov 06, 87Nov 20, 01[C07C]
6315920 Electrical insulating oil with reduced gassing tendencyExpiredSep 10, 99Nov 13, 01[C09K]
6306790 Catalytic silicoaluminophosphates having an AEL structure, and their use in catalytic crakingExpiredMay 20, 99Oct 23, 01[B01J]
6303019 Treatment of refinery feedstreams to remove peroxides and prevent subsequent refinery fouling using an electrochemical reduction method (Law890)ExpiredApr 18, 00Oct 16, 01[C10G]
6300537 Method for the use of new silicoaluminophosphas having an AEL structure to convert naptha to C2 to C4 olefinsExpiredMay 20, 99Oct 09, 01[C10G]
6301546 Process for detecting and monitoring changes in properties of fluidized bed solids by pressure difference fluctuation measurementExpiredJan 22, 99Oct 09, 01[G01N, G06F]
6296755 Electrochemical process for olefin recovery using transition metal dithiolene complexesExpiredApr 13, 99Oct 02, 01[C25B, B01D]
6294081 Hydroprocessing with catalytic silicoaluminophosphates having an AEL structureExpiredMay 20, 99Sep 25, 01[C10G]
6294493 Silicoaluminophosphates having an AEL structureExpiredMay 20, 99Sep 25, 01[B01J]
6288298 Naphtha cracking utilizing new catalytic silicoaluminophosphates having an AEL structureExpiredMay 20, 99Sep 11, 01[C07C]
6284127 Catalytic dewaxing with trivalent rare earth metal ion exchanged ferrieriteExpiredOct 12, 99Sep 04, 01[L10G]

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