said reaction product having unreacted carboxylic acid groups which are neutralizable with {TAIL ~ base} to form {HEAD ~ anionic salt groups} 
said reaction product having unreacted carboxylic acid groups which are neutralizable with { TAIL ~ base } to form { HEAD ~ anionic salt groups }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD