US 11,732,281 B2
Methods for making L-glufosinate
Brian Michael Green, Lutherville, MD (US); and Michelle Lorraine Gradley, Canterbury (GB)
Assigned to BASF SE, Ludwigshafen (DE)
Filed by BASF SE, Ludwigshafen (DE)
Filed on Sep. 2, 2021, as Appl. No. 17/464,887.
Application 15/787,448 is a division of application No. 15/445,254, filed on Feb. 28, 2017, granted, now 9,834,802.
Application 17/464,887 is a continuation of application No. 16/997,133, filed on Aug. 19, 2020, granted, now 11,560,577.
Application 16/997,133 is a continuation of application No. 16/287,290, filed on Feb. 27, 2019, granted, now 10,781,465.
Application 16/287,290 is a continuation of application No. 15/787,448, filed on Oct. 18, 2017, granted, now 10,260,078.
Claims priority of provisional application 62/413,240, filed on Oct. 26, 2016.
Claims priority of provisional application 62/336,989, filed on May 16, 2016.
Claims priority of provisional application 62/302,421, filed on Mar. 2, 2016.
Prior Publication US 2021/0395790 A1, Dec. 23, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. C12P 13/02 (2006.01); C12P 41/00 (2006.01); C12P 9/00 (2006.01); C12P 13/04 (2006.01); A01N 25/30 (2006.01); A01N 57/20 (2006.01); C12N 1/20 (2006.01); C12N 9/10 (2006.01)
CPC C12P 13/02 (2013.01) [A01N 25/30 (2013.01); A01N 57/20 (2013.01); C12N 1/20 (2013.01); C12N 9/10 (2013.01); C12P 9/00 (2013.01); C12P 13/04 (2013.01); C12P 41/00 (2013.01); C12Y 104/03003 (2013.01); C12Y 206/01019 (2013.01)] 17 Claims
 
1. A herbicidal formulation, wherein said formulation comprises L-glufosinate at an enantiomeric excess of greater than 90% over D-glufosinate, and more than 0.01% but less than 10% PPO (2-oxo-4-(hydroxy(methyl)phosphinoyl)butyric acid), said formulation further comprising at least one adjuvant.