Invention Grant
- Patent Title: Process for the preparation of indigo carmine
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Application No.: US15780545Application Date: 2016-11-25
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Publication No.: US10738192B2Publication Date: 2020-08-11
- Inventor: Janmejay Rajnikant Vyas , Himani Dhotre , Narasimha Sarma , Dilip N. Patel , Piyush Sangani , Arpan Kiritbhai Shah , Babulal R. Patel , Devang Wadia
- Applicant: DISHMAN CARBOGEN AMCIS LIMITED
- Applicant Address: IN Navrangpura, Ahmedabad
- Assignee: DISHMAN CARBOGEN AMCIS LIMITED
- Current Assignee: DISHMAN CARBOGEN AMCIS LIMITED
- Current Assignee Address: IN Navrangpura, Ahmedabad
- Agency: Volpe and Koenig, P.C.
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@6b78840a
- International Application: PCT/IB2016/057126 WO 20161125
- International Announcement: WO2017/093866 WO 20170608
- Main IPC: C09B67/00
- IPC: C09B67/00 ; C09B61/00 ; C09B69/00 ; C07D209/36 ; C09B7/02 ; C09B67/54 ; C09B67/48 ; B01J27/20
Abstract:
The present invention relates to an improved process for preparation of Indigo carmine of Formula (I), in high purity, more than 99.5%.
Public/Granted literature
- US20180346727A1 PROCESS FOR THE PREPARATION OF INDIGO CARMINE Public/Granted day:2018-12-06
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