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Chiyuki Kusuda
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Kumamoto-ken, JP
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last 30 patents
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Patent Grant
Method for preparing aromatic secondary amino compound
Patent number
5,618,980
Issue date
Apr 8, 1997
Mitsui Toatsu Chemicals, Inc.
Teruyuki Nagata
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of diphenylamine or nucleus-substituted...
Patent number
5,545,752
Issue date
Aug 13, 1996
Mitsui Toatsu Chemicals, Inc.
Teruyuki Nagata
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of 4-methoxy-2,2',6'-Trimethyldiphenyla...
Patent number
5,545,751
Issue date
Aug 13, 1996
Mitsui Toatsu Chemicals, Inc.
Chiyuki Kusuda
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for preparing aromatic secondary amino compound
Patent number
5,536,878
Issue date
Jul 16, 1996
Mitsui Toatsu Chemicals, Inc.
Teruyuki Nagata
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of diphenylamine
Patent number
5,449,829
Issue date
Sep 12, 1995
Mitsui Toatsu Chemicals, Inc.
Chiyuki Kusuda
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for preparing aromatic secondary amino compound
Patent number
5,382,690
Issue date
Jan 17, 1995
Mitsui Toatsu Chemicals, Incorporated
Teruyuki Nagata
C07 - ORGANIC CHEMISTRY