Oligomerization of alkenes in a plurality of successive...

Details Oligomerization of alkenes in a plurality of successive... Oligomerization of alkenes in a plurality of successive...

2007-11-06

2007-11-06

Caldarola, Glenn (Department: 1764)

Chemistry of hydrocarbon compounds

Unsaturated compound synthesis

By addition of entire unsaturated molecules, e.g.,...

C585S515000, C585S526000, C585S530000

Reexamination Certificate

active

10518449

ABSTRACT:
Process for oligomerizing an alkene stream over a solid catalyst comprising sulfur and nickel, in which the oligomerization is carried out in two or more successive catalyst zones and the molar ratio of sulfur to nickel in the first catalyst zone is less than 0.5 and that in the last catalyst zone is 0.5 or more and, in the case of further catalyst zones between the first and last catalyst zones, the molar ratio of sulfur to nickel in each catalyst zone is not less than that in the immediately preceding catalyst zone, based on the main flow direction of the feed stream.

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U.S. Appl. No. 09/959,792.
U.S. Appl. No. 10/129,981.

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