Patent ID: 6867166

Claim:
An adsorbent, comprising: a carrier; a silver compound supported on the carrier, said silver compound selected from the group consisting of acetate, benzoate, bromate, chlorate, perchlorate, chlorite, citrate, fluoride, nitrate, nitrite, and sulfate; said silver compound adapted to preferentially releasably retain gaseous alkenes from a gaseous mixture comprising said alkenes and at least one other compound; said silver compound present in an amount effective to releasably retain the gaseous alkenes via π-complexation bonds; said carrier being characterized by a BET surface area greater than about 50 square meters per gram and up to about 2,000 square meters per gram and comprising a plurality of pores having size greater than about 3 angstroms and up to about 10 microns; and the amount of silver compound to carrier being present in a ratio of at least 0.16:1.