Nippon Ketjen Co., Ltd

Patent Applications and Registrations

Patent applications and USPTO patent grants for Nippon Ketjen Co., Ltd.The latest application filed is for "a catalyst for hydrotreating hydrocarbon oil and a method of hydrotreating hydrocarbon oil using the catalyst".

Company Profile

0.9.2

Nippon Ketjen Co., Ltd - Tokyo JP
Nippon Ketjen Co., Ltd. - Tokyo JP
Nippon Ketjen Co., Ltd. - JP JP
Nippon Ketjen Co., Ltd. - Chuo-ku JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
A Catalyst For Hydrotreating Hydrocarbon Oil And A Method Of Hydrotreating Hydrocarbon Oil Using The Catalyst App 20220203342 - NONAKA; Kenji ; et al.	2022-06-30
Hydrotreating Catalyst, Method For Producing The Catalyst, And Hydrotreating Process For Hydrocarbon Oil Using The Catalyst App 20170073592 - NONAKA; Kenji ; et al.	2017-03-16
Process for activating a hydrotreating catalyst Grant 7,956,000 - Jansen , et al. June 7, 2	2011-06-07
HPC process using a mixture of catalysts Grant 7,922,894 - Plantenga , et al. April 12, 2	2011-04-12
High-macropore hydroprocessing catalyst and its use Grant 7,186,329 - Abe , et al. March 6, 2	2007-03-06
Hydroprocessing catalyst and use thereof Grant 7,169,294 - Abe , et al. January 30, 2	2007-01-30
Hydroprocessing catalyst and use thereof Grant 6,893,553 - Abe , et al. May 17, 2	2005-05-17
Process for producing spherical oxide particles Grant 6,802,958 - Matsumoto , et al. October 12, 2	2004-10-12
Hydroprocessing catalyst and process Grant 6,656,349 - Fujita , et al. December 2, 2	2003-12-02
Process for regenerating additive-based catalysts Grant 6,635,596 - Eijsbouts , et al. October 21, 2	2003-10-21
Hydroprocessing catalyst and use thereof Grant 5,888,380 - Fujita , et al. March 30, 1	1999-03-30

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