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Yoshisuke Kakuyama
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Yokohama, JP
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last 30 patents
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Patent Grant
Method of recovering boron trifluoride complex and process for prod...
Patent number
6,084,144
Issue date
Jul 4, 2000
Nippon Petrochemicals Company, Limited
Tsutomu Takashima
C07 - ORGANIC CHEMISTRY
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Patent Grant
Method for separating and recovering boron trifluoride
Patent number
5,846,429
Issue date
Dec 8, 1998
Nippon Petrochemicals Company, Limited
Isoo Shimizu
C01 - INORGANIC CHEMISTRY