发明名称 |
PURIFICATION OF N-(PHOSPHONOMETHYL)GLYCINE |
摘要 |
<p>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.</p> |
申请公布号 |
WO2005113567(A1) |
申请公布日期 |
2005.12.01 |
申请号 |
WO2005US17989 |
申请日期 |
2005.05.20 |
申请人 |
US |
发明人 |
TAI, JIMMY, JUI;PRAAY, HERBERT, NATHAN;RINGER, JAMES, WILLIAM;EMONDS, MARK, VICTOR, MICHAEL |
分类号 |
C07F9/02;C07F9/38;(IPC1-7):C07F9/38 |
主分类号 |
C07F9/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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