Process for the isomerization of a vinylidene olefin

Details Process for the isomerization of a vinylidene olefin Process for the isomerization of a vinylidene olefin

2006-07-18

2006-07-18

Caldarola, Glenn (Department: 1764)

Chemistry of hydrocarbon compounds

Unsaturated compound synthesis

By double-bond-shift isomerization

C585S664000

Reexamination Certificate

active

07078579

ABSTRACT:
A process for the double bond isomerization of a vinylidene olefin, comprising contacting a feed comprising the vinylidene olefin with an isomerization catalyst which comprises a molecular sieve in an acidic form, which molecular sieve comprises pores which have a pore size of more than 0.6 nm; and a process for treating an olefin mixture which comprises a linear α-olefin and a vinylidene olefin which is isomeric to the linear α-olefin and which is of the general formula CH2═C(R1)R2, wherein R1represents an ethyl group and R2represents a linear 1-alkyl group, which process comprises isomerizing the vinylidene olefin to form a double bond isomer of the vinylidene olefin by contacting a feed comprising the olefin mixture with an isomerization catalyst which comprises a molecular sieve in an acidic form, which molecular sieve comprises pores which have a pore size of more than 0.6 nm, and separating the linear α-olefin from the double bond isomer of the vinylidene olefin.

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