SHELL RESEARCH LIMITED

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C07D HETEROCYCLIC COMPOUNDS 13149
 
  
 
A01N PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF 1184
 
  
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 5133
 
  
 
F25J LIQUEFACTION, SOLIDIFICATION, OR SEPARATION OF GASES OR GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT 524
 
  
 
A61K PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES 2253
 
  
 
C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 2114
 
  
 
B01D SEPARATION 1133
 
  
 
B23K SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM 192
 
  
 
C08G MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 1119
 
  
 
E21B EARTH OR ROCK DRILLING 195

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6962199 Method for removing condensables from a natural gas stream, at a wellhead, downstream of the wellhead chokeDec 29, 99Nov 08, 05[E21B]
6658891 Offshore plant for liquefying natural gasJun 03, 02Dec 09, 03[F25J]
6612184 Method and apparatus for testing bonded tubular jointsMar 09, 00Sep 02, 03[G01N]
6513345 Nozzle for supersonic gas flow and an inertia separatorJun 28, 01Feb 04, 03[F25J]
6297413 Antifoaming agentsJul 27, 93Oct 02, 01[B01D]
6272882 Process of liquefying a gaseous, methane-rich feed to obtain liquefied natural gasJun 06, 00Aug 14, 01[F25T]
6078031 Method and device for joining oilfield tubularsJun 29, 99Jun 20, 00[H05B, B23K]
6014869 Reducing the amount of components having low boiling points in liquefied natural gasAug 05, 98Jan 18, 00[F25J]
5904834 Synthetic wax for food applicationsAug 01, 97May 18, 99[C08L]
5893274 Method of liquefying and treating a natural gasDec 23, 97Apr 13, 99[F25J]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6673327 Method for the selective oxidation of carbon monoxide in hydrogen-containing gasesExpiredMay 23, 01Jan 06, 04[C01B]
6637238 Compression apparatus for gaseous refrigerantExpiredJun 11, 02Oct 28, 03[F25J]
6372684 Catalyst system for .alpha.-olefin oligomerizationExpiredApr 15, 99Apr 16, 02[B01J]
6288373 Apparatus for amorphous bonding of tubularsExpiredFeb 14, 00Sep 11, 01[B23K]
6241029 Earth formation surveying deviceExpiredOct 28, 99Jun 05, 01[E21B]
6202376 Sandwich structureExpiredJan 09, 98Mar 20, 01[E04C]
6114288 Lubricating oil composition for internal combustion enginesExpiredMay 03, 99Sep 05, 00[C10M]
6067725 Drying cubicleExpiredJun 09, 98May 30, 00[F26B]
5921769 Catalytic burnerExpiredJul 14, 98Jul 13, 99[F23D]
5884698 Whipstock assemblyExpiredApr 07, 97Mar 23, 99[F21B]
5798068 Process of melt impregnationExpiredNov 04, 96Aug 25, 98[B29C]
5756509 Triazolopyrimidine derivativesExpiredApr 22, 97May 26, 98[A01N, C07D]
5726326 Thiophene synthesisExpiredJun 24, 96Mar 10, 98[C07D]
5723629 Thiophene synthesisExpiredJun 24, 96Mar 03, 98[C07D, B01J]
5709871 Solid formulationExpiredAug 05, 94Jan 20, 98[A01N]
5674520 Composition containing a nitromethylene compound for use in combating molluscsExpiredMar 31, 94Oct 07, 97[A01N]
5653159 Gas barbecue with variable cookingExpiredApr 15, 96Aug 05, 97[A47J]
5597522 Method of making polyolefin/filler composite materialsExpiredDec 07, 94Jan 28, 97[C08J, C08K]
5489599 Piperidine derivativesExpiredJun 28, 93Feb 06, 96[A01N, C07D]
5462944 Fungicidal composition and method of combating fungiExpiredMay 02, 94Oct 31, 95[A61K, C07D]

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