Yoshihisa Kozawa

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Gas oil desulfurization catalyst and desulfurization method
- Patent number 5,677,259
- Issue date Oct 14, 1997
- Showa Shell Sekiyu K.K.
- Osamu Yamase
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL