专利检索 ap:("Sekar Reddy Alla" OR "Rahul R. Alla" OR "Rupini Alla") AND inv:"Rahul R. Alla" 第 1 页

1.

发明申请
Versatile, concise and convenient process for the commercial scale preparation of highest pure 3,3'5,5'-Tetramethylbenzidine (TMB) and its salts, a chromogenic substrate used in staining procedures in immunohistochemistry and visualizing reagent in enzyme-linked immunosorbent assays 有权

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.

2.

发明授权
Versatile, concise and convenient process for the commercial scale preparation of highest pure 3,3′5,5′-tetramethylbenzidine (TMB) and its salts, a chromogenic substrate used in staining procedures in immunohistochemistry and visualizing reagent in enzyme-linked immunosorbent assays 有权

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.