Invention Grant
- Patent Title: Process for the preparation of 4,5,6-trichloropicolinic acid
- Patent Title (中): 制备4,5,6-三氯吡啶甲酸的方法
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Application No.: US14818389Application Date: 2015-08-05
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Publication No.: US09440923B2Publication Date: 2016-09-13
- Inventor: Matthew L. Grandbois , David S. Laitar , James M. Renga , Gregory T. Whiteker
- Applicant: Dow AgroSciences LLC
- Applicant Address: US IN Indianapolis
- Assignee: Dow AgroSciences LLC
- Current Assignee: Dow AgroSciences LLC
- Current Assignee Address: US IN Indianapolis
- Agent Michael R. Asam
- Main IPC: C07D213/79
- IPC: C07D213/79 ; C07D213/803 ; B01J31/18
Abstract:
4,5,6-Trichloropicolinic acid is prepared by selectively dechlorinating 3,4,5,6-tetrachloropicolinic acid with zinc and a catalyst prepared from a nickel compound and a bidentate ligand in a polar solvent.
Public/Granted literature
- US20160039760A1 PROCESS FOR THE PREPARATION OF 4,5,6-TRICHLOROPICOLINIC ACID Public/Granted day:2016-02-11
Information query
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