| 摘要 |
The present invention is a process for the purification of glyphosate (PMG) comprising: 1) dissolving or suspending a material comprising PMG in water, in the presence of a base, to produce a composition comprising a PMG salt in an aqueous base, contacting the composition with an acid, such that the PMG salt is neutralized, forming a precipitate of PMG, and 3) isolating the precipitate of PMG. with the proviso that the composition of step 1) is not concentrated or filtered using a nanofiltration membrane. ® KIPO & WIPO 2007
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