Process for preparing 1-butene from technical mixtures of C4...

Details Process for preparing 1-butene from technical mixtures of C4... Process for preparing 1-butene from technical mixtures of C4...

2011-04-26

2011-04-26

Nguyen, Tam M (Department: 1771)

Chemistry of hydrocarbon compounds

Unsaturated compound synthesis

By double-bond-shift isomerization

C585S802000, C585S327000

Reexamination Certificate

active

07932428

ABSTRACT:
The invention relates to a process for preparing 1-butene from technical mixtures which comprise at least 1-butene, isobutene, n-butane and 2-butenes by partial conversion of the isobutene present, distillative removal of a fraction comprising 1-butene and isobutene, and conversion of the isobutene present therein to tert-butyl ethers.

REFERENCES:
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patent: 6657090 (2003-12-01), Rix et al.
patent: 7002053 (2006-02-01), Nierlich et al.
patent: 2006/0264681 (2006-11-01), Obenaus et al.
patent: 103 02 457 (2004-10-01), None
U.S. Appl. No. 11/624,823, filed Jan. 19, 2007, Rix et al.
U.S. Appl. No. 11/614,275, filed Dec. 21, 2006, Praefke et al.
U.S. Appl. No. 11/610,801, filed Dec. 14, 2006, Fernandez et al.

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