Chemistry of hydrocarbon compounds – Unsaturated compound synthesis – By addition of entire unsaturated molecules – e.g.,...
Reexamination Certificate
2006-12-15
2008-08-12
Caldarola, Glenn (Department: 1797)
Chemistry of hydrocarbon compounds
Unsaturated compound synthesis
By addition of entire unsaturated molecules, e.g.,...
C585S324000, C585S502000, C585S510000, C585S520000, C585S809000, C585S818000
Reexamination Certificate
active
07411105
ABSTRACT:
This invention relates to a process for the oligomerization of olefins that have 2 to 6 carbon atoms comprising at least:a) One reaction stage in which a first effluent that comprises oligomers, paraffins and olefins that have not reacted is recovered,b) A separation stage that makes it possible to separate a portion of the oligomers that are contained in the effluent from a mixture that comprises oligomers, paraffins and the olefins that have not reacted,c) A recycling of a portion of said mixture in the reaction stage, andd) A stage for membrane separation of another portion of said mixture so as to draw off a permeate that comprises at least 70% by weight of olefins and a retentate that comprises paraffins and oligomers,e) A stage for recovery of oligomers on the retentate.
Baudot Arnaud
Bournay Laurent
Favre Frédéric
Forestiere Alain
Bullock In Suk
Caldarola Glenn
Institut Francais du Pe'trole
Millen White Zelano & Branigan P.C.
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