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Takashi Murakawa
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Sodegaura, JP
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last 30 patents
Information
Patent Grant
Process for regenerating a deactivated catalyst
Patent number
5,260,238
Issue date
Nov 9, 1993
Idemitsu Kosan Co., Ltd.
Takashi Murakawa
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Catalyst for production of aromatic hydrocarbons and process for pr...
Patent number
5,196,631
Issue date
Mar 23, 1993
Research Association for Utilization of Light Oil
Takashi Murakawa
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Catalyst for production of aromatic hydrocarbons
Patent number
5,091,351
Issue date
Feb 25, 1992
Research Association for Utilization of Light Oil
Takashi Murakawa
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for production of aromatic hydrocarbons
Patent number
4,962,251
Issue date
Oct 9, 1990
Research Association for Utilization of Light Oil
Takashi Yamamoto
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Process for restoring deactivated catalysts
Patent number
4,937,215
Issue date
Jun 26, 1990
Research Association for Utilization of Light Oil
Takashi Murakawa
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Catalyst for the production of aromatic hydrocarbons and process fo...
Patent number
4,761,512
Issue date
Aug 2, 1988
Research Association for Utilization of Light Oil
Hisashi Katsuno
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Catalyst for the production of aromatic hydrocarbons
Patent number
4,681,865
Issue date
Jul 21, 1987
Research Association for Utilization of Light Oil
Hisashi Katsuno
C07 - ORGANIC CHEMISTRY