Invention Grant
- Patent Title: Process for preparing phosphorus-containing alpha-aminonitriles
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Application No.: US16631900Application Date: 2018-06-20
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Publication No.: US10822358B2Publication Date: 2020-11-03
- Inventor: Gunter Karig , Frank Memmel , Mark James Ford
- Applicant: BASF SE
- Applicant Address: DE Ludwigshafen
- Assignee: BASF SE
- Current Assignee: BASF SE
- Current Assignee Address: DE Ludwigshafen
- Agency: Marshall, Gerstein & Borun LLP
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@400eaabc
- International Application: PCT/EP2018/066402 WO 20180620
- International Announcement: WO2019/015909 WO 20190124
- Main IPC: C07F9/46
- IPC: C07F9/46
Abstract:
The present invention relates primarily to processes for preparing particular phosphorus-containing α-aminonitriles of the formulae (Ia) and (Ib) defined hereinafter from corresponding phosphorus-containing cyanohydrin esters and to the use thereof for preparation of glufosinate or of glufosinate salts. The present invention further relates to a process for preparing glufosinate or glufosinate salts.
Public/Granted literature
- US20200157128A1 Process for preparing phosphorus-containing alpha-aminonitriles Public/Granted day:2020-05-21
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