{HEAD ~ The reaction product} is crystallized by heating {TAIL ~ the slurry} in the drownout tank under reflux at a temperature of about 93° C. while stirring for at least about 6 hours, and up to about 16 hours 
is crystallized by heating
{ HEAD ~ The reaction product } is crystallized by heating { TAIL ~ the slurry } in the drownout tank under reflux at a temperature of about 93 ° C. while stirring for at least about 6 hours , and up to about 16 hours
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH