Methods for the purification of L-glufosinate
AssigneeBASF SE
InventorsStephen Craig Fields, Matthew Richard Oberholzer, Brian Michael Green, Samir Kulkarni, Jennifer Nelson, Patricia Andres
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Abstract
Solid forms of L-glufosinate materials, including crystalline L-glufosinate ammonium, are described.
Claims4
An L-Glufosinate crystalline form, the crystalline form characterized by an X-ray powder diffraction (XRPD) pattern comprising at least three peaks selected from 9.1, 11.6, 13.1, 14.1, 14.4, 16.2, 17.7, 18.2, 18.9, 19.3, 19.7, 21.2, 21.8, 22.4, 23.2, 23.5, 25.3, 25.8, 26.2, 27.2, 28.6, 29.1, 30.0, 30.6, 31.1, 31.6, 32.7, 33.5, 34.4, 34.7, 35.4, 35.9, 36.4, and 37.4 °2θ, ±0.2 °2θ, as determined on a diffractometer using Cu-Kα radiation, wherein the XRPD pattern comprises at least one peak at 9.1, 11.6, or 13.1 °2θ, ±0.2 °2θ, as determined on a diffractometer using Cu-Kα radiation.
Dependencies are inferred from the claim text.