A process 4, wherein the amount of the metal element selected in the Periodic Table used in the contact treatment is in the range of from 0.001 to 0.5 part by weight per {HEAD ~ part} of {TAIL ~ platinum} or palladium 
of
A process 4 , wherein the amount of the metal element selected in the Periodic Table used in the contact treatment is in the range of from 0.001 to 0.5 part by weight per { HEAD ~ part } of { TAIL ~ platinum } or palladium
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 OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH