TONENGENERAL SEKIYU K.K.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C10M LUBRICATING COMPOSITIONS 346
 
  
 
C07F ACYCLIC, CARBOCYCLIC, OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM, OR TELLURIUM 169
 
  
 
C10G CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION 161
 
  
 
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

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7799212 Method for preventing fouling of a heat exchanger for cooling residue from a hydrodesulfurization/hydrocracking processFeb 27, 06Sep 21, 10[C10G]
7399736 Low viscosity, high abrasion resistance engine oil compositionMar 25, 05Jul 15, 08[C10M]
7148186 Lubricant oil composition for diesel engines (LAW964)Mar 07, 03Dec 12, 06[C10M]
6972084 Fuel oil composition for diesel engineDec 25, 99Dec 06, 05[C10L]
6323162 Lubricant oil composition for internal combustion engines (LAW960)May 30, 00Nov 27, 01[C10M]
5145979 Processes for the preparation of .gamma.-methacryloxypropylsilane compoundsAug 22, 91Sep 08, 92[C07F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0017,246 FUEL OILAbandonedFeb 26, 14Jan 21, 16[C10L, F02B]
2015/0330,299 INTERNAL-COMBUSTION ENGINEAbandonedDec 19, 13Nov 19, 15[F02M, F02B]
6878678 Oil composition for automatic transmissionExpiredMar 29, 02Apr 12, 05[C10M]
6855675 Lubricating oil compositionExpiredFeb 23, 97Feb 15, 05[C10M]
6750185 Lubricating oil composition for internal combustion enginesExpiredMar 29, 02Jun 15, 04[C10M]
6638897 Lubricant oil composition for internal combustion engines (law859)ExpiredJul 09, 99Oct 28, 03[C10M]
6617286 Lubricating oil composition for continuously variable transmissionExpiredJun 05, 01Sep 09, 03[C10M]
6593281 Lubricating oil composition for automatic transmissionExpiredJun 05, 01Jul 15, 03[C10M]
6534453 Light oil compositionExpiredMay 11, 01Mar 18, 03[C10M]
6511947 Heat resisting lubricating oil compositionExpiredJun 22, 01Jan 28, 03[C10M]
6426323 Lubricating oil composition for continuously variable transmissionExpiredJun 05, 01Jul 30, 02[C10M]
6383688 Electrolyte for lithium cells and method of producing the sameExpiredAug 04, 00May 07, 02[H01M]
6329328 Lubricant oil composition for internal combustion enginesExpiredMay 30, 00Dec 11, 01[C10M]
6267874 Hydrotreating catalyst and processes for hydrotreating hydrocarbon oil with the sameExpiredSep 27, 99Jul 31, 01[B01J, C10G]
4966981 Process for preparing epoxy group-containing silanesExpiredMar 05, 90Oct 30, 90[C07D]

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