It is an object of the present invention to provide {HEAD ~ a high conversion} of {TAIL ~ isobutylene} contained in a mixture of isomeric butenes simultaneously with a reduced yield of by products sec.butylphenols 
of
It is an object of the present invention to provide { HEAD ~ a high conversion } of { TAIL ~ isobutylene } contained in a mixture of isomeric butenes simultaneously with a reduced yield of by products sec.butylphenols
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH