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Takehito Higashi
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Yokohama, JP
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last 30 patents
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Patent Grant
Process for hydrotreating heavy hydrocarbon oils, catalysts therefo...
Patent number
4,399,026
Issue date
Aug 16, 1983
Chiyoda Chemical Engineering and Construction Co., Ltd.
Yoshimi Shiroto
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Catalysts for hydrotreating heavy hydrocarbon oils and a method of...
Patent number
4,367,164
Issue date
Jan 4, 1983
Chiyoda Chemical Engineering and Construction Co., Ltd.
Yoshimi Shiroto
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL