Process for the preparation of alkylene glycol

Details Process for the preparation of alkylene glycol Process for the preparation of alkylene glycol

2007-12-03

2008-11-18

Price, Elvis O (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

C568S852000, C568S857000

Reexamination Certificate

active

07453014

ABSTRACT:
The invention provides a process for the preparation of an alkaline glycol from an alkaline carbonate, wherein alkaline carbonate is hydrolyzed in the presence of catalyst in a baffled reactor. The baffled reactor has at least four compartments, the compartments are formed by internal baffles and the internal baffles provide a sinuous route for reaction fluid through the reactor.

REFERENCES:
patent: 4283580 (1981-08-01), Odanaka et al.
patent: 5231212 (1993-07-01), Buysch et al.
patent: 6080897 (2000-06-01), Kawabe
patent: 6187972 (2001-02-01), Kawabe et al.

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