August 19, 2013

CAS databases provide millions of journal article references from more than 10,000 major scientific journals worldwide, patent and patent family references from 63 patent authorities around the world, and other reputable web sources.

The following patent record is from the CAplusSM database.


Patent Number: US 8461405
Title: Process for the production of branched alkylbenzenes that uses a renewable carbon source
Inventor(s): Sanchez, Eric; Guillon, Emmanuelle
Patent Assignee(s): IFP Energies Nouvelles, Fr.
Source: U.S. Pat. Appl. Publ., 14pp. CODEN: USXXCO
Language: English

Disclosed is a process for the prodn. of alkylbenzenes in the presence of an arom. feedstock and an olefinic stream produced from an ethanol feedstock, itself produced from a renewable source obtained from biomass, is described, with said process comprising at least: (a) a stage for purifn. of said ethanol feedstock, (b) a stage for dehydration of said purified ethanol feedstock, obtained from said stage (a), into an effluent that is for the most part ethylene, (c) at least one stage for sepn. of the water that is present in said effluent that is for the most part ethylene obtained from said stage (b), (d) a first stage for oligomerization of said effluent that is for the most part ethylene in the presence of at least one catalyst that comprises at least one element of group VIII, (e) a second stage for oligomerization of at least some of the effluent that is obtained from said stage (d) in the presence of at least one amorphous catalyst or at least one zeolitic catalyst, (f) a stage for fractionation of the effluent that is obtained from said oligomerization stage (e) in such a way as to recover at least one olefin-enriched olefinic stream that has a no. of carbon atoms that is greater than or equal to 9, (g) an alkylation stage of said olefinic stream that is obtained from said stage (f) by at least one arom. feedstock.

Please note:  Abstracts and Titles for patent records in CAplus are routinely enhanced to better describe the claimed invention.

 View the full-text here.

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