Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants
Patent
1981-04-27
1982-12-07
Dees, Carl F.
Compositions
Preservative agents
Anti-oxidants or chemical change inhibitants
B01J 2112
Patent
active
043626530
ABSTRACT:
Hydrocarbons are converted by contacting them at hydrocarbon conversion conditions with a catalyst composite comprising a silica polymorph consisting of crystalline silica, said silica polymorph after calcination in air at 600.degree. C. for one hour, having a mean refractive index of 1.39.+-.0.01 and a specific gravity at 25.degree. C. of 1.70.+-.0.05 g/cc and a refractory inorganic oxide.
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patent: 4309275 (1982-01-01), Mulaskey
patent: 4309276 (1982-01-01), Miller
Cutts, Jr. John G.
Dees Carl F.
Hoatson Jr. James R.
Page II William H.
UOP Inc.
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