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Toshihiko Maeda
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Kurashiki, JP
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last 30 patents
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Patent Grant
Phosphonium salts and processes for production of and uses for the...
Patent number
5,100,854
Issue date
Mar 31, 1992
Kuraray Co., Ltd.
Toshihiko Maeda
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Stabilized poly (.beta.-methyl-.delta.-valerolactone)
Patent number
4,997,971
Issue date
Mar 5, 1991
Kuraray Co., Ltd.
Toshihiko Maeda
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Phosphonium salts and processes for production of and uses for the...
Patent number
4,992,609
Issue date
Feb 12, 1991
Kuraray Co., Ltd.
Toshihiko Maeda
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of lithium diphenylphosphinobenzene-m-m...
Patent number
4,965,404
Issue date
Oct 23, 1990
Kuraray Company, Ltd.
Toshihiko Maeda
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Phosphonium salts and processes for production of and uses for the...
Patent number
4,927,960
Issue date
May 22, 1990
Kuraray Company, Ltd.
Toshihiko Maeda
C07 - ORGANIC CHEMISTRY