Where {HEAD ~ the materials} of the invention are {TAIL ~ silicoaluminophosphates}, they typically have a silica to alumina molar ratio from about 0.10 to about 0.60, preferably from about 0.15 to about 0.50 
Where { HEAD ~ the materials } of the invention are { TAIL ~ silicoaluminophosphates } , they typically have a silica to alumina molar ratio from about 0.10 to about 0.60 , preferably from about 0.15 to about 0.50
OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL 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