Process for the production of 2,6-dimethylnaphthalene

Details Process for the production of 2,6-dimethylnaphthalene Process for the production of 2,6-dimethylnaphthalene

2005-11-30

2010-10-12

Dang, Thuan Dinh (Department: 1797)

Chemistry of hydrocarbon compounds

Plural serial diverse syntheses

To produce aromatic

C585S481000, C585S475000, C585S467000

Reexamination Certificate

active

07812204

ABSTRACT:
The invention relates to a multi-step chemical transformation process for the production of 2,6-dimethylnaphthalene starting from one or more naphthalene hydrocarbons or hydrocarbon blends containing the same, one or more benzene hydrocarbons and, optionally, a methylating agent reacted in the presence of a catalyst containing a zeolite belonging to the MTW structural group, where hydrogen is fed in at least one of the steps.

REFERENCES:
patent: 2003/0069459 (2003-04-01), Girotti et al.
patent: 2003/0144564 (2003-07-01), Pazzuconi et al.

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