Patent ID: 6410783
Filing Date: 2002-06-25
Classification: C07C

Abstract:
A method of making a dry, alkali metal or ammonium salt of a carboxylic acid, comprising the steps of:feeding a molten carboxylic acid consisting essentially of dicamba and an alkali metal-containing or ammonium-containing alkaline compound in solution to a mixer; reacting the molten dicamba and the alkali metal-containing or ammonium-containing alkaline compound to form an alkali metal or ammonium dicamba salt such that the dicamba is substantially neutralized to form a pasty, sticky material; advancing the dicamba salt and any remaining dicamba or alkaline compound to a dryer; removing water from the alkali metal or ammonium dicamba salt in the dryer to produce dry, alkali metal or ammonium dicamba salt particles; and recovering the dry, alkali metal or ammonium dicamba salt particles.