Mobil Oil Corporation

Claus-Peter Haelsig

Albin Huss, Jr

Daria N Lissy

Donald J Klocke

Iraj I Rahmim

A process is disclosed for the highly selective skeletal isomerization of linear olefin-containing organic feeds to iso-olefins at high levels of feed conversion wherein linear olefins, e.g., n-butenes, are contacted with catalyst comprising ZSM-35 under skeletal isomerization conditions which can include temperatures of 100.degree. to 750.degree. C. and linear olefin space velocities of less than 30 WHSV. The process uses a catalyst composition comprising 5 to 40 wt % ZSM-35, and 60 to 95 wt % inorganic oxide matrix, e.g., silica.

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Irvine, CA, United States of America

Claus-Peter Haelsig