| 摘要 |
The present invention is directed to a method of preparing a substantially water-free alkanolamine salt of any of the herbicides, 2,4-D, MCPA, MCPP, triclopyr, clopyralid, picloram, benazolin, dicamba, or a mixture of any two or more of such herbicidal compounds which comprises (a) warming gradually while stirring in the absence of an added aqueous or organic solvent medium a substantially equimolar mixture of one or more of said herbicides and an alkanolamine; and continuing to warm and stir the mixture until a paste or incipient melt is formed; (b) allowing the mixture to cool; and (c) continuing to stir the mixture as it cools until a free-flowing powder is obtained. |
