公开(公告)号：US10961265B2

公开(公告)日：2021-03-30

申请号：US15655271

申请日：2017-07-20

Applicant: BASF SE

Inventor： Hans-Joachim Ressel ,  Kilian Tellman ,  Mark James Ford ,  Martin Littmann ,  Friedrich August Muehlthau ,  Guenter Schlegel

IPC: C07F9/32 ,  C07F9/30

Abstract: The present invention relates primarily to a process for preparing certain phosphorus-containing cyanohydrins of the formula (I), and also to certain phosphorus-containing cyanohydrins per se and to their use for the preparation of glufosinate and/or glufosinate salts. The present invention further relates to certain mixtures particularly suitable for preparing the phosphorus-containing cyanohydrins of the formula (I).

公开(公告)号：US10822358B2

公开(公告)日：2020-11-03

申请号：US16631900

申请日：2018-06-20

Applicant: BASF SE

Inventor： Gunter Karig ,  Frank Memmel ,  Mark James Ford

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.

公开(公告)号：US10941167B2

公开(公告)日：2021-03-09

申请号：US15756404

申请日：2016-08-29

Applicant: BASF SE

Inventor： Hans-Joachim Ressel ,  Kilian Tellmann ,  Mark James Ford ,  Martin Littmann ,  Günter Schlegel

IPC: C07F9/32

Abstract: The present invention primarily relates to a process for producing certain phosphorus-containing cyanohydrin esters of formula (I) and the use thereof for producing glufosinate/glufosinate salts. The present invention further relates to a process for producing glufosinate/glufosinate salts.

公开(公告)号：US20200157128A1

公开(公告)日：2020-05-21

申请号：US16631900

申请日：2018-06-20

Applicant: BASF SE

Inventor： Gunter Karig ,  Frank Memmel ,  Mark James Ford

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.