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公开(公告)号:US11028044B2
公开(公告)日:2021-06-08
申请号:US16654814
申请日:2019-10-16
申请人: Sekar Reddy Alla , Rahul R. Alla , Rupini Alla
发明人: Sekar Reddy Alla , Rahul R. Alla , Rupini Alla
IPC分类号: C07C245/08
摘要: The present invention relates to a process for the preparation of 3,3′,5,5′-Tetramethylbenzidine represented by formula I, and processes for the preparation of intermediates used in the preparation of 3,3′,5,5′-Tetramethylbenzidine.
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公开(公告)号:US20210114974A1
公开(公告)日:2021-04-22
申请号:US16654814
申请日:2019-10-16
申请人: Sekar Reddy Alla , Rahul R. Alla , Rupini Alla
发明人: Sekar Reddy Alla , Rahul R. Alla , Rupini Alla
IPC分类号: C07C245/08
摘要: The present invention relates to a process for the preparation of 3,3′,5,5′-Tetramethylbenzidine represented by formula I, and processes for the preparation of intermediates used in the preparation of 3,3′,5,5′-Tetramethylbenzidine.
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