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Tatsushi Saeki
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Yokohama, JP
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last 30 patents
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Patent Grant
Purification of formaldehyde by separation
Patent number
4,285,811
Issue date
Aug 25, 1981
Asahi Kasei Kogyo Kabushiki Kaisha
Tetsuya Miyake
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for recovering heavy metal ions or heavy metal ions and hal...
Patent number
4,238,294
Issue date
Dec 9, 1980
Asahi Kasei Kogyo Kabushiki Kaisha
Hiroshi Takeuchi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for separation of hydrocarbon mixture
Patent number
4,159,284
Issue date
Jun 26, 1979
Asahi Kasei Kogyo Kabushiki Kaisha
Maomi Seko
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Purification of formaldehyde by separation
Patent number
4,137,054
Issue date
Jan 30, 1979
Asahi Kasei Kogyo Kabushiki Kaisha
Tetsuya Miyake
C07 - ORGANIC CHEMISTRY