PURIFICATION OF N-(PHOSPHONOMETHYL)GLYCINE

• Main Authors: RINGER, JAMES WILLIAM, EMONDS, MARK VICTOR MICHAEL, PRAAY, HERBERT NATHAN, TAI, JIMMY JUI
• Format: Patent
• Language: English; Polish
• Published: 30.06.2009
• Subjects: ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM; CHEMISTRY; METALLURGY; ORGANIC CHEMISTRY

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, 2) contacting the composition with an acid, such that...