Katsuzo Shiraishi

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Inba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Catalyst for hydrotreating coal liquefaction and circulation solvent
- Patent number 4,950,633
- Issue date Aug 21, 1990
- Sumitomo Metal Mining Company Limited
- Toshio Yamaguchi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL