Invention Grant
- Patent Title: Process for purifying mesotrione
- Patent Title (中): 净化甲基磺草酮的方法
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Application No.: US10598993Application Date: 2005-03-03
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Publication No.: US07863482B2Publication Date: 2011-01-04
- Inventor: Alan Henry Benke , Julie Marie Wichert
- Applicant: Alan Henry Benke , Julie Marie Wichert
- Applicant Address: US NC Greensboro
- Assignee: Syngenta Crop Protection, Inc.
- Current Assignee: Syngenta Crop Protection, Inc.
- Current Assignee Address: US NC Greensboro
- Agent William A. Teoli, Jr.
- Priority: GB0406894.6 20040326
- International Application: PCT/EP2005/002230 WO 20050303
- International Announcement: WO2005/092846 WO 20051006
- Main IPC: C07C315/00
- IPC: C07C315/00
Abstract:
A method for reducing the cyanide levels in a mesotrione sample, said method comprising: (i) taking an aqueous solution of the mesotrione sample in an aqueous solvent, (ii) adjusting the pH of said aqueous solution to a value of 9.5 or higher, and (iii) crystallising the mesotrione out of solution is disclosed.
Public/Granted literature
- US20080039661A1 Process For Purifying Mesotrione Public/Granted day:2008-02-14
Information query
