Process for preparing and olefinic hydrocarbon mixture

Details Process for preparing and olefinic hydrocarbon mixture Process for preparing and olefinic hydrocarbon mixture

2006-12-12

2006-12-12

O'Sullivan, Peter G. (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

C562S087000, C562S093000, C562S094000, C562S095000, C585S007000, C585S455000, C585S459000, C585S462000, C585S463000, C585S464000, C585S465000, C585S467000, C585S533000

Reexamination Certificate

active

07148388

ABSTRACT:
In a process for preparing an olefinic hydrocarbon mixture comprising at least 5% by weight of mono-olefin oligomers of the empirical formula:in-line-formulae description="In-line Formulae" end="lead"?CnH2nin-line-formulae description="In-line Formulae" end="tail"?where n is greater than or equal to 6, a feedstock comprising n-butene and propylene in a molar ratio of about 1:0.01 to about 1:0.49 is contacted under oligomerization conditions with surface deactivated ZSM-23. The resultant mono-olefin oligomers comprise at least 20 percent by weight of olefins having at least 12 carbon atoms, wherein said olefins having at least 12 carbon atoms have an average of from about 0.8 to about 2.0 C1–C3alkyl branches per carbon chain.

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