Nippon Ketjen Co., Ltd.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 9100
 
  
 
C10G CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION 656

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7956000 Process for activating a hydrotreating catalystSep 30, 04Jun 07, 11[B01J]
7922894 HPC process using a mixture of catalystsDec 08, 03Apr 12, 11[C10G]
7476309 Two-stage heavy feed hpc processJun 10, 02Jan 13, 09[C10G]
7186329 High-macropore hydroprocessing catalyst and its useJun 10, 02Mar 06, 07[B01J]
7169294 Hydroprocessing catalyst and use thereofDec 20, 01Jan 30, 07[C10G]
7087546 Process for regenerating and rejuvenating additive-based catalystsNov 06, 02Aug 08, 06[B01J]
6893553 Hydroprocessing catalyst and use thereofJan 20, 00May 17, 05[B01J, C10G]
6635596 Process for regenerating additive-based catalystsJul 03, 00Oct 21, 03[B01J]
6280610 Hydrotreating catalyst: composition, preparation, and use thereofDec 30, 99Aug 28, 01[B01J, C10G]
5888380 Hydroprocessing catalyst and use thereofSep 19, 95Mar 30, 99[C10G]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2011/0094,939 PROCESS FOR ACTIVATING A HYDROTREATING CATALYSTAbandonedDec 21, 10Apr 28, 11[B01J, C10G]
2006/0060,509 Process for the hydroprocessing of heavy hydrocarbon feeds using at least two reactorsAbandonedJun 05, 03Mar 23, 06[C10G]
2004/0256,293 Two-stage hpc processAbandonedAug 18, 04Dec 23, 04[C10G]
6802958 Process for producing spherical oxide particlesExpiredNov 13, 00Oct 12, 04[B01J, C10G]
6656349 Hydroprocessing catalyst and processExpiredNov 13, 00Dec 02, 03[B01J, C10G]
5217603 Hydrotreatment processExpiredMay 14, 90Jun 08, 93[C10G]

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