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Takeo Fujii
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Toyonaka, JP
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last 30 patents
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Patent Grant
Imine derivatives and process for production thereof
Patent number
5,256,822
Issue date
Oct 26, 1993
Sumitomo Chemical Company, Limited
Ichiki Takemoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for producing hydroxy-containing alkylated aromatic compounds
Patent number
RE34076
Issue date
Sep 22, 1992
Sumitomo Chemical Company Limited
Akira Takeshita
568 - Organic compounds
Information
Patent Grant
Process for producing piperidine derivative and stabilized resin co...
Patent number
5,049,604
Issue date
Sep 17, 1991
Sumitomo Chemical Company, Limited
Takeo Fujii
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for producing hydroxy-containing alkylated aromatic compounds
Patent number
4,912,264
Issue date
Mar 27, 1990
Sumitomo Chemical Company, Limited
Akira Takeshita
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing 2,2,4-trimethyl-1,2-dihydroquinoline
Patent number
4,746,743
Issue date
May 24, 1988
Sumitomo Chemical Company, Limited
Masakatsu Yoshimura
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
2,2,6,6-Tetramethylpiperidine and its production
Patent number
4,578,472
Issue date
Mar 25, 1986
Sumitomo Chemical Company, Limited
Masakatsu Yoshimura
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Piperidine derivatives, their production and stabilized polymer com...
Patent number
4,578,410
Issue date
Mar 25, 1986
Sumitomo Chemical Company, Limited
Yukoh Takahashi
C07 - ORGANIC CHEMISTRY